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If you are new to growing this perennial vegetable, knowing when to plant asparagus seeds is the first step toward a long, productive patch. Asparagus is not a quick crop. It takes patience and careful timing, but the reward is a spring harvest that returns for 15 to 20 years. The key is to start seeds indoors or direct-sow at the right moment so the young plants have enough time to establish strong roots before winter arrives.

For most gardeners, the best time to plant asparagus seeds is in early spring, about 8 to 10 weeks before the last expected frost. This gives the seedlings a head start indoors. In warmer zones (USDA 7-9), you can also direct-sow in mid-spring once the soil temperature reaches 75-85°F. Getting the timing right helps avoid poor germination and weak crowns. If you are unsure about your local frost dates, check out our guide on best plant food for water propagation for related early-season tips.

1
Prime Best Seller

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.

2
Prime Editor's Pick

Sow Right Seeds Mary Washington Asparagus Seeds

SowRightSeeds
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 Sow Right Seeds Mary Washington Asparagus is a reliable non-GMO heirloom variety that produces thick, flavorful stalks. It's ideal for patient gardeners in zones 4-9 who want a perennial crop for years of harvests.
Pros & Cons

Pros

  • High germination rate backed by positive reviews
  • Heat-resistant variety suitable for hot climates
  • Perennial nature provides years of harvest after first season
  • Non-GMO heirloom seeds for natural gardening
  • Comes with clear instructions and customer support

Cons

  • Seeds can take up to 56 days to germinate, requiring patience
  • First harvest is 2-3 years away, not for impatient growers
  • Some users report low germination rates despite overall high satisfaction
Detailed Review

The Sow Right Seeds Mary Washington Asparagus is a classic heirloom variety that lets you grow your own asparagus from seed. This packet contains about 90 non-GMO seeds, perfect for gardeners who want to establish a perennial bed that will produce for years. It's best suited for those living in USDA zones 4-9 with a sunny spot and a bit of patience. Asparagus takes time to mature, but the payoff is worth it for homegrown, fresh stalks.

What sets this variety apart is its proven heat tolerance. Many gardeners in warmer regions struggle with asparagus, but Mary Washington holds up well in high temperatures. Reviews highlight that it germinates reliably when soil temps are between 75-85°F, though it can take up to 56 days. Once established, the plants grow 3-4 feet tall and produce thick, straight green stalks with a purple tinge. The first good harvest comes in 2-3 years, but some reviewers reported picking spears even sooner in ideal conditions.

The build quality of the seeds is solid. Sow Right Seeds packs their product with care, including clear instructions on planting depth and spacing. The company also takes the Safe Seed Pledge and runs on solar power, which adds eco-friendly appeal. Customers consistently praise the seed viability and the helpful support team. However, a few mention lower germination rates, which could be due to improper soil temperature or moisture.

Keep in mind that asparagus requires patience. Germination can be slow, and you won't harvest for at least two years. But if you're planning a long-term garden investment, this is an excellent choice. The perennial nature means once it's established, you'll get fresh spears every spring with minimal maintenance.

Overall, the Sow Right Seeds Mary Washington Asparagus is a smart buy for dedicated gardeners. Its strong germination, heat tolerance, and heirloom quality make it a standout. If you're willing to wait a couple of years, you'll be rewarded with a bountiful, flavorful crop that beats anything from the store.

3
Prime Limited Time

Seed Needs Asparagus Seeds

SeedNeeds
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 Mary Washington asparagus seeds from Seed Needs are a classic heirloom variety that rewards patient gardeners with tender, flavorful spears for up to 20 years. Perfect for anyone willing to wait two to three years for a full harvest, they offer high germination rates and come in generous, well-packaged quantities.
Pros & Cons

Pros

  • High germination rate reported by many customers, with sprouts appearing in 18 to 28 days.
  • Heirloom variety offers classic flavor and texture, ideal for steaming, grilling, or raw eating.
  • Sealed packaging maintains freshness and protects seeds from moisture and damage.

Cons

  • Requires patience: plants take two to three years to establish before a full harvest is possible.
  • Some users reported inconsistent germination, with a few seeds or seedlings not sprouting.
  • Squirrels may dig up seeds if not protected with a screen until plants are a few inches tall.
Detailed Review

Seed Needs presents the Mary Washington asparagus seeds, a time-tested heirloom variety that's been a staple in home gardens for over a century. This perennial vegetable isn't for the impatient gardener, but its reward is undeniable: tender, sweet spears that can grace your table for up to 20 years after establishment. The seeds are non-GMO and open-pollinated, ensuring you get a true-to-type crop that can be saved for future planting.

Each packet comes with detailed sowing instructions printed on the back, plus a QR code for easy reordering. The packaging itself is tear-resistant and moisture-proof, which helps maintain seed viability. Customers have reported seeing sprouts in about 18 days, with healthy fern-like growth after a month. The generous quantity allows for experimentation or sharing, though the seed count per packet is smaller than some other vegetables.

In terms of performance, the Mary Washington variety is known for its reliability. It thrives in full sun and well-drained, sandy loam soil, and it's suited for a wide range of USDA hardiness zones (2-11). The spears are medium-green with purplish tips, offering a crisp texture and a slightly nutty, sweet flavor. Some users noted that squirrels can be a problem, digging up seeds, but a simple screen cover until the plants are a few inches tall solves that issue.

Drawbacks are mostly about patience and a bit of unpredictability. Not every seed will germinate, as a few reviews mentioned, but the majority of customers saw excellent results. The long wait before the first full harvest can be a dealbreaker for those looking for quicker yields. Also, proper soil preparation and consistent watering are essential for strong root development.

Overall, Seed Needs delivers a quality product with a strong germination rate and a well-known heirloom variety. If you're ready to invest time and care, these Mary Washington asparagus seeds are a fantastic choice for a long-term, productive garden addition.

4
Prime Top Rated

PLANTMEW Mary Washington Asparagus Seeds 900 Count

PLANTMEW
9.8 /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 900-count packet of PLANTMEW Mary Washington asparagus seeds offers an excellent value for gardeners seeking a reliable, heirloom perennial. With a high germination rate and clear instructions, it's ideal for anyone willing to wait a couple of years for bountiful harvests.
Pros & Cons

Pros

  • Very large number of seeds per packet, offering excellent value.
  • Heirloom variety with proven performance and great flavor.
  • Long-lived perennial that yields harvests for up to 20 years.
  • High germination rate and quick sprouting in warm conditions.
  • Clear instructions make it easy for beginners to plant successfully.

Cons

  • Asparagus takes 2 to 3 years to reach full production, requiring patience.
  • Some users reported no sprouts after a month, possibly due to cool soil or variable seed viability.
  • Seeds are small and may need careful handling when sowing.
Detailed Review

The PLANTMEW Mary Washington Asparagus Seeds offer an enormous amount of seeds for the price, making them a smart choice for gardeners who want to establish a large asparagus bed or share with friends. This packet contains about 900 non-GMO, open-pollinated seeds of the classic Mary Washington heirloom variety, a time-tested selection known for its consistent performance and excellent flavor. It's perfect for home gardeners, especially those who enjoy growing perennials and are willing to invest a little time for a long-term payoff.

One of the standout features is the sheer quantity: 900 seeds give you plenty to work with, even if you have to replant some. The seeds are fresh-packed in moisture-resistant packaging, and user reviews praise the high germination rate. Many reported seeing sprouts within the expected 10 to 56 days when soil temperatures were warm. The variety itself produces thick, tender spears with purplish tips and a slightly nutty taste that's great for roasting, grilling, or eating fresh. Once established, plants can yield for 15 to 20 years in USDA zones 4 through 9.

The design and build quality of the packet are functional: a small paper envelope with clear planting instructions on the back. It's not fancy, but it gets the job done. The seeds themselves are small, uniform, and appear healthy. One reviewer noted that after soaking, only a few floated, suggesting good viability. However, asparagus is notoriously slow to get started, and some users reported no sprouts after a month. This can be due to cool soil, incorrect planting depth, or simply the inherent variability of seeds. It's worth noting that asparagus requires patience, as full harvests typically begin in the third year.

Overall, the PLANTMEW Mary Washington Asparagus Seeds deliver a lot of value and potential for the patient gardener. The main drawback is the wait time, but that's true for all asparagus. If you're looking for a fast-growing annual, this isn't it. But if you want a dependable perennial that keeps producing for decades, this is a solid choice. The high rating and positive feedback from users confirm that these seeds are a worthwhile investment for any home veggie patch.

5
Prime

Sow Right Seeds Mary Washington Asparagus Seeds

SowRightSeeds
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 ›
A bulk packet of 1600 non-GMO heirloom Mary Washington asparagus seeds with high germination rates and strong seedling vigor, ideal for gardeners ready to invest in a long-term perennial crop.
Pros & Cons

Pros

  • Large quantity of seeds per packet (about 1600)
  • High germination rate and strong plant vigor reported by customers
  • Perennial variety yields harvests for years after establishment
  • Clear planting instructions included and responsive customer support
  • Heirloom, non-GMO seeds from a sustainable company

Cons

  • Some customers experienced no germination despite proper methods
  • Requires patience: first harvest typically 2-3 years after planting
Detailed Review

The Sow Right Seeds Bulk Mary Washington Asparagus Seeds pack offers a generous 1 ounce (approximately 1600 seeds) of non-GMO heirloom seeds. This variety is one of the most popular for home gardeners, known for yielding thick, straight green stalks with a hint of purple at the tips. It's designed for outdoor planting in full sun and suitable for USDA zones 4 through 9.

In terms of real-world performance, most customer reviews highlight excellent germination rates and strong seedling vigor. Multiple users report nearly 100% germination and rapid early growth, even in raised beds. A few experienced delays or failures, but the majority found the seeds reliable. Keep in mind that asparagus is a perennial crop that requires patience: you will typically wait 2 to 3 years before a full harvest, but once established, it can produce for many seasons.

The packet comes with clear planting instructions, and the company backs the seeds with a satisfaction guarantee if they fail to germinate. Sow Right Seeds operates on solar power and has taken the Safe Seed Pledge, ensuring the seeds are fresh and untreated. The only notable drawbacks are the occasional germination issues reported by a small number of customers and the long wait for harvest.

Overall, if you're looking to start a long-term asparagus bed with a large quantity of quality heirloom seeds, this bulk pack offers great value. It's best suited for gardeners who are committed to the multi-year process of establishing a perennial vegetable patch.

Specifications

Indoor/Outdoor Usage: Outdoor

Expected Blooming Period: Spring to Fall

Sunlight Exposure: Full Sun

Moisture Needs: Regular Watering

Unit Count: 1.00 Count

Color: Green

Brand: Sow Right Seeds

Plant Type: Asparagus officinalis

Material Features: GMO Free, Heirloom

Special Feature: High Germination Rate

6
Prime

Sow Right Seeds Asparagus Seed Collection

SowRightSeeds
9.8 /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 two-packet asparagus seed set from Sow Right Seeds includes popular heirloom varieties Argenteuil and Mary Washington. It's a smart pick for patient gardeners who want a low-maintenance perennial crop that will produce tender green and purple-tinged stalks for years to come.
Pros & Cons

Pros

  • High germination rate with a no-hassle replacement guarantee
  • Non-GMO heirloom seeds from a trusted, eco-conscious brand
  • Perennial nature means once established, you'll harvest for many seasons
  • Clear instructions included, ideal for beginner gardeners
  • Two varieties offer visual interest and slightly different flavors

Cons

  • Asparagus takes 2-3 years to reach full harvest potential, so it requires patience
  • Only two packets included, which may not be enough for large gardens
  • Limited customer reviews available, so long-term performance is less documented
Detailed Review

The Sow Right Seeds Asparagus Seed Collection brings together two classic heirloom varieties: Argenteuil and Mary Washington. Both are known for producing thick, straight stalks with a hint of purple at the tip, and they're bred to thrive in USDA zones 4 through 9. This set is designed for home gardeners who want a low-maintenance perennial crop that will keep producing season after season without needing to be replanted.

Each packet comes with straightforward planting instructions, and the seeds are non-GMO and heirloom, meaning you can save seeds from your harvest for future planting. The company runs on solar power and has signed the Safe Seed Pledge, so you know you're getting clean, responsibly sourced seeds. Germination typically takes 10 to 56 days when soil temperatures are between 75 and 85 degrees Fahrenheit, and the plants will grow 3 to 4 feet tall with a 30-inch spread.

In real-world use, customers report that the seeds arrive well packaged and in good condition. Asparagus is a slow starter, so don't expect a full harvest until the second or third year. But once established, these plants are hardy and productive. The flavor is hearty and slightly sweet, whether you roast it, grill it with parmesan, or eat it fresh. The mix of green and purple varieties adds visual appeal to your garden and your plate.

One honest drawback is that this collection includes only two packets, which might not be enough if you're planning a large asparagus bed. Also, because asparagus takes time to mature, you'll need to be patient before you see a significant yield. The limited number of customer reviews means we have less long-term data, but early feedback is positive, with buyers noting the seeds look healthy and the packaging is secure.

Overall, the Sow Right Seeds Asparagus Seed Collection is a solid choice for gardeners who value heirloom quality, sustainability, and a perennial crop that rewards patience. If you have the space and the time to wait, these seeds will give you a dependable harvest for years to come. Just be prepared to nurture them through the first couple of seasons before you start enjoying fresh asparagus from your own backyard.

7
Prime

CoolBeansNSprouts Asparagus 'Mary Washington'

CoolBeansNSprouts
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 packet of 50+ 'Mary Washington' asparagus seeds from CoolBeansNSprouts is an heirloom perennial that rewards patience with years of spring harvests. Ideal for gardeners willing to wait three years for mature plants in full sun and well-drained soil.
Pros & Cons

Pros

  • Heirloom seeds ensure genetic diversity and traditional taste
  • Perennial habit means a single planting yields for a decade or more
  • High nutritional value with essential vitamins and minerals
  • Wide adaptability across USDA hardiness zones 3 to 10
  • Seeds are grown and sourced from a U.S. family farm

Cons

  • Plants take three full years to reach maturity before first harvest
  • Needs consistent full sun and regular watering to avoid thin spears
  • No customer reviews yet, so real-world performance is unverified
Detailed Review

The 'Mary Washington' asparagus seeds from CoolBeansNSprouts offer a classic heirloom option for gardeners who want a long-term vegetable patch. Asparagus is one of the few perennial vegetables you can plant once and harvest for years, making it a smart investment if you have the patience. This packet contains 50+ seeds, enough to start a decent-sized bed.

What sets this variety apart is its rich vitamin content: B6, C, E, and K are all present in the spears. As a perennial, it comes back each spring without replanting, often being the first fresh vegetable ready in the garden. The catch is that you'll wait about three years for mature plants strong enough to harvest. During that time, you need to provide full sun and regular watering, especially in the first year to develop a robust root system.

CoolBeansNSprouts is a small family business based in the U.S., and they grow these seeds domestically. The heirloom status means you can save seeds from your best plants for future generations. The seeds themselves are untreated and ready to sow in spring after the last frost, in well-drained loam soil. There are no flashy extras, just straightforward seeds with clear instructions.

On the downside, there are no customer reviews yet, so you're going in with trust in the brand alone. Also, the three-year wait is a genuine commitment, and some gardeners might prefer buying crowns for faster results. However, starting from seeds is more economical and lets you select the strongest plants.

Overall, if you have the space and patience for a long-lived vegetable patch, these 'Mary Washington' seeds are a solid choice. They deliver on the promise of a tasty, nutritious perennial that keeps giving. Recommended for gardeners who enjoy planning ahead and value sustainable, homegrown food.

8
Prime

Sow Right Seeds Perennial Vegetable Seed

SowRightSeeds
9.8 /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 perennial seed collection from Sow Right Seeds includes artichoke, rhubarb, and two asparagus varieties. With high germination rates and easy-to-follow instructions, it's perfect for gardeners wanting a low-maintenance, productive vegetable patch that comes back year after year.
Pros & Cons

Pros

  • Easy germination with simple instructions suitable for beginners.
  • Excellent variety of classic perennial vegetables in one package.
  • Sustainable and eco-friendly seed production process.
  • Plants return year after year with minimal effort once established.
  • Good value for four high-quality seed packets.

Cons

  • Asparagus takes a couple of years to produce a full harvest.
  • Rhubarb requires patience for the first season of growth.
  • Seeds need consistent watering and full sun for best results.
Detailed Review

If you are looking to build a low-maintenance, productive garden that keeps on giving, the Sow Right Seeds Perennial Vegetable Seed Collection is a solid choice. This pack includes four individual packets: Green Globe Artichoke, Victoria Rhubarb, and two types of Asparagus (Argenteuil and Mary Washington). All are non-GMO heirloom varieties chosen for their reliability and taste. The collection is designed for outdoor gardens, and the seeds can be planted in either spring or fall, depending on your climate.

What makes this collection stand out is its focus on perennials. These vegetables come back year after year, saving you time and money in the long run. Customers consistently report high germination rates and easy growth. One reviewer noted that all seeds planted grew without issue, while another praised the detailed instructions on each packet. The artichoke, in particular, has been a hit, though one gardener did mention that local rabbits enjoyed them a bit too much. That said, the seeds themselves are robust and well-suited for most garden conditions.

In terms of design and build quality, the packets are sturdy and colorful, with clear labeling and planting information on the back. The seeds are sourced from a company that runs on solar power and has taken the Safe Seed Pledge, which adds a layer of trust for eco-conscious gardeners. Each packet contains a generous amount of seeds, offering good value for the price.

There are a couple of things to keep in mind. Asparagus takes a year or two to establish before you can harvest heavily, and rhubarb needs patience during its first season. But that is the nature of perennials. Also, if you have hungry wildlife in your area, you might need to use fencing or other deterrents. These are not product flaws, just realities of gardening.

Overall, this is a well-chosen, beginner-friendly collection that delivers on its promise of tasty, nutritious vegetables year after year. If you want to start a perennial patch with minimal fuss, this set is a great place to begin.

Frequently Asked Questions About When to Plant Asparagus Seeds

Below are answers to common timing and growing questions to help you succeed with asparagus seed planting.

When should I start asparagus seeds indoors?

Start seeds indoors 8-10 weeks before your last spring frost. Use a seed-starting mix and keep the soil warm (75-85°F). Transplant seedlings outdoors after all frost danger passes. This method works well for gardeners in USDA zones 4-6 who want to extend the growing season. For more indoor seed starting advice, see our seed category page.

Can I plant asparagus seeds directly in the garden?

Yes, you can direct-sow asparagus seeds in mid-spring after the soil warms to 75-85°F. This is easiest in warmer zones (7-9). Plant seeds 1/2 inch deep, 4-6 inches apart, and thin later. Direct sowing takes longer to establish, but it avoids transplant shock. Be prepared to wait a full year before any harvest.

What is the best month to plant asparagus seeds?

In most regions, March or April is ideal for starting seeds indoors. For direct sowing, wait until April or May depending on your local frost dates. The exact month depends on your USDA zone. Check your last frost date and count backward 8-10 weeks for indoor starts. For zone-specific advice, browse our plant category page.

How long does it take for asparagus seeds to germinate?

Asparagus seeds germinate in 10-21 days under optimal warm conditions (75-85°F). Soaking seeds for 48 hours before planting can speed up germination. Be patient, as some seeds may take up to 56 days in cooler soil. Consistent moisture and warmth are key for successful seed starting.

What happens if I plant asparagus seeds too late?

Planting too late in the season means the young plants won’t have enough time to develop a strong root system before winter. This can lead to weak crowns and poor yields in future years. If you miss the spring window, you can still start seeds indoors and transplant in early summer, but expect a slower establishment. For container gardening alternatives, check best choice products planter box for growing in raised beds.

Remember that asparagus is a long-term investment. Taking the time to plant at the right moment in 2025 means you will enjoy tender spears for many springs to come. Whether you choose a budget-friendly pack or a bulk option for larger beds, timing your planting correctly is the foundation of a thriving asparagus patch.