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If you are growing asparagus, you know it takes patience. Those tender spears come only after a couple of years of care. But once your bed is established, you want it to thrive for a decade or more. That is where best companion plant for asparagus choices come in. The right neighbors can improve soil health, deter pests, and even help with weed suppression. Whether you are a beginner or an experienced gardener, selecting the right partners for your asparagus can make a big difference.

In this guide, we look at 8 companion plants that work well with asparagus. We also include expert tips on what to avoid. Plus, we recommend some high-quality asparagus crowns to start or expand your bed. All recommendations are based on gardener feedback and proven companion planting principles. By the end, you will know exactly which plants to pair with your asparagus for a more productive garden.

Why Companion Planting Matters for Asparagus

Asparagus is a long-term perennial. Once planted, it stays in the same spot for 15 to 20 years. That means the soil around it can become depleted if you do not manage it carefully. Some companion plants—like herbs and nitrogen-fixing legumes—can improve soil nutrients and structure. Others, such as certain flowers, attract beneficial insects that prey on asparagus beetles. A well-chosen companion also shades the soil, reducing weed growth and keeping roots cool during hot summers.

However, not every plant is a good friend to asparagus. Some heavy feeders (like corn or potatoes) compete for nutrients. Others (like alliums) may stunt asparagus growth. That is why knowing the best companion plant for asparagus is so important. Many gardeners also combine companion planting with quality soil amendments. For more on that, check out our Garden Soil category for tips on building healthy beds.

Top 8 Companion Plants for Asparagus

Below are the most recommended companions based on 2026 gardening trends and traditional wisdom. Each one offers specific benefits when grown near asparagus.

  1. Parsley – A classic companion that thrives in similar conditions. Parsley helps deter asparagus beetles and its deep roots break up compacted soil.
  2. Basil – Repels aphids and whiteflies. Basil also improves the flavor of nearby vegetables and loves the same sun and water levels as asparagus.
  3. Tomatoes – They release solanine, which repels asparagus beetles. Plant tomatoes on the edges of the bed to avoid competition.
  4. Nasturtiums – A sacrificial trap plant that attracts aphids away from asparagus. Their bright flowers also attract pollinators.
  5. Dill – Attracts predatory wasps that feed on asparagus beetle larvae. Dill also self-seeds freely, adding greenery.
  6. Marigolds – Their roots release thiopenes, which suppress nematodes and other soil pests. Plant them around the asparagus bed border.
  7. Lettuce – A shallow-rooted crop that can be interplanted between asparagus rows during the fern stage. It keeps the soil cool and suppresses weeds.
  8. Strawberries – They act as a living mulch and share similar pH requirements. Just give them enough space to spread.

For more ideas, visit our Plant category to explore other companion planting guides.

Start with Healthy Asparagus Crowns

Before adding companions, you need a strong foundation. The following asparagus plants are top-rated for October 2026. They are 2-year-old crowns that give you a head start. Many gardeners say these varieties establish well and produce for many years. Choose the one that fits your climate and space.

1
Prime Best Seller

CZGrain Millennium Asparagus Bare Root Plants

CZGrain
9.6 /10
TYG Score
TYG Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
These 2-year-old asparagus crowns from CZGrain are a solid investment for any home gardener looking to establish a long-lasting asparagus bed. With 15 healthy crowns, easy planting instructions, and strong germination rates in reviews, they're a reliable choice despite a few reports of mold or slow growth.
Pros & Cons

Pros

  • Long-lived perennial provides harvests for many years with minimal effort
  • Crowns are generally large, plump, and healthy upon arrival
  • Quick germination and growth in the first season, often sprouting within days
  • Excellent customer service that replaces damaged or frozen crowns without hassle
  • Includes a video guide that makes planting straightforward for beginners

Cons

  • Some customers reported white mold on arrival, though the seller typically addresses replacement
  • Not all crowns may sprout; occasional reports of a few duds out of 15
  • First harvest requires patience of about two years before you can start picking
Detailed Review

The CZGrain Millennium Asparagus Bare Root Plants offer a convenient way to start a perennial asparagus bed at home. This pack contains 15 two-year-old crowns, which are essentially dormant root clumps that can establish quickly when planted correctly. Ideal for gardeners who want a low-maintenance, long-term vegetable crop that produces tender spears each spring for years to come.

Standout features include the inclusion of detailed planting instructions and a video tutorial, making it accessible even for beginners. Many reviewers report that the crowns arrived in excellent condition, often sprouting within a day or two of planting. The variety is known for its high yield and ability to thrive in full sun with moderate watering, especially in sandy soil. Real-world performance is solid: the vast majority of buyers see strong germination rates, with most of the 15 crowns producing healthy ferns in the first season.

Build quality is typical for bare root plants: they are shipped dormant and require proper handling. Most customers found the crowns to be large, plump, and free of rot. However, a small number of reviews mention issues like white mold on arrival or a few crowns failing to sprout. In the mold incident, the seller initially refused a refund but later provided one after escalation; other reports praise the seller's responsive replacement policy for frozen or damaged items.

Drawbacks are worth noting. A few customers experienced incomplete germination, with only 5 of 15 crowns showing growth in one case. Also, because asparagus takes two years to establish before a full harvest, gardeners need patience. The mold issue, while rare, highlights the importance of inspecting crowns upon arrival and contacting the seller quickly if problems arise.

Overall, the CZGrain Millennium Asparagus crowns are a dependable choice for anyone wanting to invest in a productive perennial vegetable patch. They offer excellent value for the number of crowns, good support from the seller, and a high success rate based on customer feedback. For the price and convenience, this is a great way to get a head start on homegrown asparagus.

2
Prime Editor's Pick

Hand Picked Nursery Jersey-Knight 10 Live

HandPickedNursery
9.5 /10
TYG Score
TYG Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
This set of 10 mature asparagus crowns is designed for a first-season harvest, making it a smart bet for impatient gardeners. It's a perennial, cold-hardy choice for zones 3-8, but you must amend your soil with at least 30% sand to prevent rot.
Pros & Cons

Pros

  • First-year harvest potential eliminates typical 2-3 year wait for other asparagus varieties.
  • Perennial nature means once planted, you get spears year after year with minimal annual care.
  • Nursery provides post-purchase support and detailed instructions, reducing guesswork.
  • Bare-root crowns are easy to ship and store before planting, and they establish quickly.
  • Hardy in USDA zones 3-8, covering most of the continental U.S. with winter protection.

Cons

  • Requires soil to be amended with at least 30% sand for drainage; without it, crowns may rot.
  • Limited to zones 3-8; not suitable for very warm or tropical climates.
  • No customer reviews yet, so real-world performance and crown size are unverified.
Detailed Review

The Jersey-Knight asparagus bare-root crowns from Hand Picked Nursery promise something that many perennial vegetables don't: a harvest in your first year. Typically, asparagus takes two or three seasons to establish before you can pick a single spear. This product claims to skip that wait by shipping mature 2-year-old crowns that are ready to produce almost immediately. If you're a home gardener who wants fast results without sacrificing long-term yield, these crowns are worth considering.

Each order contains 10 bare-root crowns, enough to start a small bed that can feed a family for years. The plants are perennial in USDA zones 3 through 8, meaning they'll come back each spring for 15 years or more with proper care. The standout feature, however, is the nursery's intense focus on soil preparation. The instructions emphasize that you must mix at least 30% sand into your soil to ensure good drainage. Without that, the crowns can rot during winter dormancy. This is a non-negotiable step, so be prepared to adjust your garden soil before planting.

Planting itself is straightforward: dig trenches 6 to 10 inches deep (deeper in loose soil), space crowns 12 inches apart, and lay them on their sides. Fill the trench and water. The nursery provides a link to detailed instructions and even offers to send a photo guide if you call. That level of customer support is a nice safety net for beginners. The crowns are also low-maintenance once established; they need moderate watering and full sun to partial shade.

One drawback is that the product has no customer reviews yet, so we can't confirm how reliable the first-year harvest claim is in real gardens. Additionally, the strict sand requirement means this isn't a set-it-and-forget-it plant for everyone. If your soil is heavy clay and you're not willing to amend it substantially, these asparagus crowns may struggle. The zone restriction also limits its use to cooler regions.

Overall, the Jersey-Knight crowns are a solid option for gardeners in zones 3-8 who are willing to follow the specific soil preparation. The promise of a first-year harvest is appealing, and the perennial nature gives you years of value. Just be honest about your soil and climate before buying. Hand Picked Nursery's support team can help you along the way, making this a low-risk bet for homegrown asparagus.

Planting & Care

To get the best results from these asparagus crowns, follow these key steps. First, check your soil temperature: if you can dig without hitting frozen ground, you can plant — but the crowns will stay dormant until soil reaches 50 degrees Fahrenheit. Second, amend your soil with at least 30% sand by volume. This is critical for drainage and winter survival. Adding compost also helps improve soil structure. Dig trenches 3 feet apart, 6-8 inches deep for clay soil or 8-10 inches for looser soil. Place crowns 12 inches apart, laying them on their sides. Fill the trenches completely with soil and water thoroughly. Expect to see growth within 10 days after planting. The nursery offers a photo planting guide upon request; call them for it. Water moderately and provide full sun to partial shade. With proper care, your asparagus bed will produce for 15 years or more.

3
Prime Limited Time

Hand Picked Nursery Asparagus Garden Variety Pack

HandPickedNursery
9.7 /10
TYG Score
TYG Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
This hand-picked pack gives you 30 asparagus crowns across three top varieties, letting you harvest in your first season and enjoy perennial crops for up to 20 years. Ideal for gardeners in zones 3-8 who want a reliable, low-maintenance vegetable patch.
Pros & Cons

Pros

  • Multiple varieties in one bundle give you diverse flavor, color, and yield potential
  • First-year harvest capability reduces wait time compared to many other perennial vegetables
  • Long-lived perennial (up to 20 years) with minimal replanting effort after establishment
  • Comprehensive planting guide and customer support from an experienced grower

Cons

  • Bare root crowns require careful handling and proper soil prep (extra sand or compost) to avoid rot or poor growth
  • Needs a fairly large garden space because rows must be spaced 3 feet apart with 12 inches between plants
  • Asparagus is a heavy feeder; you'll need to amend soil and provide consistent moisture for best results
Detailed Review

The Hand Picked Nursery Asparagus Garden Variety Pack is a well thought out collection for home gardeners who want to start their own perennial asparagus patch without having to buy multiple single-variety packages. It includes 30 bare root plants - 10 each of Mary Washington, Purple Passion, and Jersey Knight - which are all established, mature crowns ready to go into the ground. This pack is aimed at anyone in USDA zones 3-8 who has a sunny spot with well-draining soil and is willing to invest a little upfront effort for years of returns.

One standout feature is the promise of a harvest in your first growing season. Most asparagus plants need a year or two to settle before you can pick spears, but Hand Picked Nursery says their crowns are already mature enough to produce right away. In practice, that means you could be cutting fresh spears by late spring or early summer, depending on your zone. The three varieties offer different perks: Mary Washington is a classic green producer, Purple Passion adds color and sweetness, and Jersey Knight is known for its high yield and disease resistance. Together, they extend your harvest window and give you options for raw eating, steaming, or grilling.

Design and build quality are solid for bare root plants. The crowns arrive dormant and wrapped to stay hydrated. You'll need to plant them soon after receiving them, following the detailed instructions that come with the pack. The company recommends digging trenches 6-10 inches deep depending on your soil type, spacing plants 12 inches apart, and backfilling with soil. Adding 30% sand is suggested for drainage, along with compost for nutrients. This setup is straightforward if you have a few hours and basic garden tools. The bare root format keeps shipping weight down and lets the plants acclimate naturally to your soil.

There are a couple of honest drawbacks to consider. Bare root plants need to be planted promptly and correctly - if the soil is too heavy or stays soggy, the crowns can rot. You'll also need a good amount of space: rows 3 feet apart with plants every foot means a 30-plant patch takes up at least a 30-foot row or two 15-foot rows. For a small urban garden, that might be tight. And while asparagus is low maintenance once established, it does require regular weeding and watering in the first year to get a strong root system.

Overall, this variety pack is an excellent value for gardeners who want to jumpstart a long-term asparagus bed. The mix of three proven varieties, the first-year harvest potential, and the support from an experienced nursery make it a confident buy. With proper soil prep and a bit of patience for the first few weeks after planting, you can look forward to a reliable crop of homegrown asparagus for a decade or more.

4
Prime Top Rated

Hand Picked Nursery Mary Washington Asparagus

HandPickedNursery
9.9 /10
TYG Score
TYG Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
These 2-year-old Mary Washington asparagus crowns give you a head start on a long-lasting bed, with tender, flavorful spears and excellent disease resistance. Perfect for home gardeners wanting a dependable perennial harvest for 15-20 years.
Pros & Cons

Pros

  • Fast start - 2-year-old crowns mean you can harvest sooner than with 1-year roots.
  • Heirloom quality - proven, reliable variety with time-tested flavor and performance.
  • Exceptional longevity - produces for up to 20 years, offering a great return on investment.
  • Disease resistant - sturdy plants that handle common asparagus issues well.
  • Versatile - adapts to many climates and grows well in different garden setups.

Cons

  • Bare roots need immediate planting upon arrival to prevent drying out.
  • First full harvest typically comes in the second year after planting, not the first season.
  • Requires well-drained, loamy soil and full sun for best performance; not ideal for heavy clay or deep shade.
Detailed Review

Hand Picked Nursery brings you a pack of 10 Mary Washington asparagus roots, each a 2-year-old bare root crown designed to jump-start your asparagus bed. This heirloom variety, first released in 1919, is a classic choice for home gardeners who want tender, green spears with a slightly sweet flavor. If you are patient enough to wait for a full harvest in the second year, these roots will reward you with decades of dependable production.

The standout feature here is the age of the crowns. Two-year-old roots are larger and more vigorous than one-year options, so they settle in quicker and can handle a wider range of conditions. Mary Washington is known for excellent disease resistance and winter hardiness, thriving in USDA zones 3 through 9. Once established, a healthy bed can keep producing for 15 to 20 years, making this a true long-term investment in your garden.

The bare roots arrive packaged with clear planting instructions. They are GMO-free and untreated, just natural crowns ready to go into the ground in spring or fall. Plant them in full sun with well-drained loamy soil, give them moderate water, and they will take off. The product itself is straightforward - no frills, just quality genetics that have been trusted for over a century.

Now for the honest drawbacks. Bare roots need prompt planting after arrival - do not let them dry out. And even though these are two-year-old crowns, you should not harvest heavily until the second season; you will get some spears the first year, but patience is key for a strong, lasting bed. Also, if your garden has heavy clay or deep shade, you will need to amend the soil or pick a different spot.

Overall, these Mary Washington asparagus crowns offer excellent value for the home gardener. They are a reliable, time-tested variety that delivers on flavor and longevity. If you are ready to plan a perennial patch and can wait a season for the big harvest, this pack is a smart buy. Hand Picked Nursery provides a solid product with clear guidance, making it easy even for beginners to get started.

5
This is a pack of 10 bare root asparagus crowns from Hand Picked Nursery, featuring the high-yielding Millennium variety. Its standout quality is cold hardiness and strong disease resistance, making it ideal for gardeners in zones 3-8 with heavier soils who want a long-lived perennial vegetable.
Pros & Cons

Pros

  • Mature 2-year-old crowns allow for first-year harvest
  • Excellent disease resistance reduces need for chemical treatments
  • Adapted to cold climates and heavy clay soils
  • Long productive lifespan (15-30 years) for a great long-term investment
  • Comprehensive planting instructions and customer support included

Cons

  • Requires full sun and well-draining soil; heavy clay may need sand amendment
  • Bare root crowns must be planted promptly after arrival to prevent drying out
  • Some gardeners may prefer potted plants for easier handling
Detailed Review

The Hand Picked Nursery 10 Millennium Asparagus Plants are bare root crowns designed for gardeners who want a reliable, high-yielding perennial vegetable. This set includes ten 2-year-old crowns of the Millennium variety, a top choice among commercial growers for its cold hardiness, disease resistance, and adaptability to heavier soils. It is an excellent option for home gardeners in USDA zones 3 through 8 who have space for a long-term asparagus bed.

What sets these crowns apart is their maturity. Because they are already two years old, you can harvest tender spears in your very first growing season, unlike starting from seed or one-year-old crowns. The Millennium variety consistently produces large quantities of straight, flavorful spears and shows strong resistance to common asparagus diseases like Fusarium wilt and rust. This means less worry about plant health and more time enjoying your harvest.

Planting is straightforward. You dig trenches 6 to 10 inches deep depending on your soil type, space the crowns 12 inches apart, and cover them with soil. The included instructions recommend amending heavy clay with sand and compost to improve drainage. Once established, these perennials require minimal care just regular watering and weeding and they can keep producing for 15 to 30 years. That is a lot of fresh asparagus from a single planting.

One thing to keep in mind is that bare root crowns are dormant and need to be planted soon after arrival to prevent them from drying out. Also, while Millennium handles heavy soils better than many varieties, you still need to ensure good drainage. If your soil is pure clay, you may need to amend it as suggested. But for most gardeners, these are minor considerations for such a productive and long-lived crop.

Overall, the Hand Picked Nursery Millennium Asparagus Plants offer a smart investment for anyone looking to grow their own asparagus. They combine early harvest potential, disease resistance, and cold hardiness in a convenient bare root format. With proper care, you will be enjoying homegrown spears for years to come.

6
Prime

Jersey Knight Asparagus Roots - Hardy

HandPickedNursery
9.6 /10
TYG Score
TYG Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
The Jersey Knight asparagus roots from Hand Picked Nursery are vigorous, disease-resistant crowns that produce thick, tender spears year after year. Perfect for home gardeners in zones 3-9 who want a reliable, low-maintenance perennial vegetable.
Pros & Cons

Pros

  • Exceptional disease resistance ensures healthy, long-lived plants
  • Robust growth and high yields, even in less-than-ideal soil conditions
  • 2-year-old crowns are well-developed for faster establishment and earlier harvests
  • Positive customer feedback highlights the excellent quality of the roots upon arrival

Cons

  • Some crowns may arrive with underdeveloped roots, requiring careful inspection upon delivery
  • Asparagus requires patience - no harvest is recommended during the first year to allow establishment
  • Perennial commitment: needs dedicated garden space that won't be disturbed for many years
Detailed Review

The Jersey Knight asparagus roots from Hand Picked Nursery offer home gardeners a reliable way to start a long-lasting asparagus patch. This modern hybrid variety is prized for its vigor and disease resistance, making it a top choice for those who want a low-maintenance perennial vegetable. Whether you're a seasoned grower or just starting out, these 2-year bare root crowns give you a head start toward abundant harvests.

What sets Jersey Knight apart is its strong resistance to common asparagus ailments like rust, fusarium, and crown rot. This means healthier plants that keep producing without relying on chemical sprays. The variety also delivers thick, tender spears with excellent flavor, and it thrives across a broad range of soil types and climates (USDA zones 3-9). Once established, expect consistent yields for over 15 years with just basic watering and weeding.

The bare root crowns arrive ready to plant, packed with simple instructions. Customer reviews highlight the overall healthy appearance of the roots, though one reviewer noted that one crown had minimal root development. It's a good idea to open the package right away and check each crown, then plant them promptly in a sunny spot with well-drained loam soil. The crowns are GMO-free and suited for organic gardens.

On the downside, asparagus takes patience. You'll need to resist harvesting during the first year to let the plants establish strong roots. Also, this is a permanent crop that needs dedicated space for many years. Some may find the initial cost for multiple crowns adds up, but the long-term payoff is worth it for fresh asparagus every spring.

Overall, the Jersey Knight asparagus roots are a smart investment for any gardener wanting a productive, trouble-free perennial. With proper care, you'll be cutting your own delicious spears for years to come.

7
Prime

KVITER 100 Mary Washington Asparagus Seeds

KVITER
9.5 /10
TYG Score
TYG Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
KVITER's Mary Washington asparagus seeds are a reliable heirloom variety that produces tender green spears with purple tips and can yield harvests for up to 30 years. Perfect for patient gardeners who want a long-term perennial vegetable bed.
Pros & Cons

Pros

  • Long-lived perennial provides harvests for decades.
  • Rust resistant reduces disease risk.
  • Non-GMO and heirloom quality.
  • High germination rate with proper soaking.
  • Versatile for fresh eating or preservation.

Cons

  • Requires 2-3 years of establishment before full harvest.
  • Seeds need soaking and specific soil conditions for best germination.
  • Not suitable for impatient gardeners or those wanting quick results.
Detailed Review

For gardeners looking for a long-term investment in their vegetable patch, KVITER's Mary Washington asparagus seeds offer a classic heirloom variety. These seeds produce thick, tender green spears with distinctive purple tips, and once established, the plants can keep producing for 20 to 30 years. This is a perennial vegetable that rewards patience with dependable spring harvests.

The standout features of these seeds include rust resistance and non-GMO status, making them a healthy choice for organic gardens. They have a high germination rate when soaked for 48 hours before planting. The plants thrive in full sun and well-drained sandy soil with a pH of 6.5 to 7.0. They are suitable for USDA zones 3 through 9, so they can be grown in many parts of the country.

The seeds come in a packet of 100, enough to start a substantial asparagus bed. They are open pollinated, so you can save seeds for future plantings. The variety is known for its rust resistance, a common issue with asparagus. The plants grow to about 3 feet tall and produce feathery ferns that restore energy after harvest.

The main drawback is the wait. You cannot harvest any spears in the first year, and only lightly in the second year. Full harvests begin in the third year. This requires patience. Also, seeds need to be soaked and planted in carefully prepared trenches, which takes some upfront effort.

If you are willing to invest time and effort, KVITER's Mary Washington asparagus seeds are an excellent choice for a long-term food source. They are reliable, disease resistant, and produce delicious spears for decades. This is a great option for home gardeners who want a sustainable perennial vegetable.

8
Prime

Mary Washington 25 Live Asparagus Bare Root Plants

HandPickedNursery
9.5 /10
TYG Score
TYG Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
This bundle of 25 well-established 2-year-old Mary Washington asparagus crowns from Hand Picked Nursery is perfect for home gardeners who want a reliable, long-lived perennial crop that can produce for decades. The crowns arrive large and healthy, often sprouting within a week, and the included instructions make planting straightforward as long as you follow the critical sand requirement for drainage.
Pros & Cons

Pros

  • Crowns are large and well-established, often with sprouts already visible at planting time
  • Excellent germination and growth rate, with many customers reporting successful sprouting even after mishandling during shipping
  • Good value for 25 crowns compared to buying individual plants, especially considering the long productive lifespan
  • Responsive customer support and helpful planting guides provided with the order
  • Packaged carefully to maintain moisture and prevent drying out during transit

Cons

  • Crown sizes can be inconsistent, with some smaller one-year-old roots mixed in, requiring culling or separate planting
  • A small percentage of customers reported mold or rot on arrival, likely due to moisture during shipping in plastic bags
  • Requires specific soil preparation with at least 30% sand added for proper drainage, which may be an extra step for some gardeners
Detailed Review

The Mary Washington asparagus crowns from Hand Picked Nursery are a solid choice for anyone looking to start a perennial asparagus patch. This bundle includes 25 bare root crowns that are advertised as two-year-old stock, meaning they are mature enough to produce a small harvest in the very first growing season. For home gardeners, that is a major plus compared to starting from seed or one-year-old crowns, which can take an extra year before yielding anything.

In terms of real-world performance, customer feedback is overwhelmingly positive. Many reviewers noted that the crowns arrived large and healthy, with some already showing small white sprouts. One gardener in North Carolina accidentally left the box in direct sunlight for two days and then stored the crowns in a fridge for two more weeks before planting; despite that abuse, all 28 crowns (they received a few extra) grew vigorously. That level of resilience speaks to the quality of the root stock and careful handling from the nursery.

Build quality is where this product stands out. The roots are substantial, with multiple fleshy storage roots and a well-developed central crown. However, a few buyers mentioned that the size was inconsistent, with a handful of smaller crowns that appeared to be only one year old. That is the main drawback, along with an occasional complaint about mold or rot on a few roots, likely caused by the plastic bag packaging used during shipping. Most customers said those issues were minor and the majority of the crowns still grew fine.

The biggest requirement for success is soil preparation. The seller emphasizes that you must mix in at least 30% sand to ensure good drainage, or the crowns will rot. That is non-negotiable. If you have heavy clay soil, you will need to dig deeper trenches and amend thoroughly. The included planting instructions are clear, and the nursery offers post-purchase support if you run into trouble.

Overall, the Mary Washington crowns from Hand Picked Nursery deliver on their promises: they arrive alive, grow quickly, and set you up for years of homegrown asparagus. The few small flaws in consistency are outweighed by the high survival rate and the generous number of crowns you receive. This is a great buy for gardeners who are willing to do the prep work and want a dependable perennial vegetable that will keep producing for decades.

Frequently Asked Questions About Companion Planting with Asparagus

What are the best companion plants for asparagus?

The best companion plants for asparagus include parsley, basil, tomatoes, nasturtiums, dill, marigolds, lettuce, and strawberries. These plants improve soil health, repel pests, or provide ground cover without competing heavily for nutrients.

Can I plant tomatoes next to asparagus?

Yes. Tomatoes release solanine, which helps deter asparagus beetles. Plant them on the outer edges of the bed so they do not shade the asparagus crowns. Both plants appreciate full sun and consistent watering.

What should not be planted near asparagus?

Avoid planting alliums (onions, garlic, leeks) near asparagus because they can stunt growth. Also avoid heavy feeders like corn, potatoes, and sunflowers that compete for nitrogen and water.

How do companion plants help asparagus grow better?

Companion plants can improve soil structure, add nutrients (like nitrogen through legumes), attract beneficial insects, suppress weeds, and repel common pests such as asparagus beetles. This reduces the need for chemical interventions.

Should I use fertilizer with companion plants for asparagus?

Yes. Even with companions, established asparagus beds benefit from balanced fertilizer each spring. Organic options like well-aged manure or compost are gentle. For more tips, read our Best Plant Food for Window Boxes article—the same principles apply to perennial beds.

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