The 8 Best Companion Plant for Basil of 2026

The Companion Plant Seeds 5 Variety Collection from Survival Garden Seeds is a thoughtfully curated set of herbs and flowers designed to support healthier vegetable gardens. It's ideal for home gardeners looking to boost biodiversity, attract pollinators, and grow more productive crops naturally. Whether you're working with a raised bed, container, or traditional vegetable plot, this collection offers a simple way to incorporate companion planting into your routine.

What sets this collection apart is the careful selection of five plant varieties that complement each other and common vegetables. Large Leaf Basil and Compact Dill are culinary staples that also repel pests, while Borage, Crackerjack Marigold, and Tip Top Mix Nasturtium bring brilliant color and nectar to attract beneficial insects. These plants are all heirloom, non-GMO, and untreated, ensuring you're working with pure, sustainable genetics. The seeds are quality-tested for high germination rates, and each packet includes specific growing instructions.

The seed packets are professionally designed with detailed information on planting depth, soil temperature, sunlight, and moisture needs. They also provide tips for harvesting and seed saving, making this a complete guide for gardeners of all experience levels. The seeds themselves are untreated, meaning no chemical coatings or fungicides, which is a significant advantage for organic growers.

One drawback is that all varieties are warm-season annuals, so they need to be replanted each year in colder regions. Additionally, the pack contains five seed varieties, which might not be enough for large gardens or those wanting a broader selection. As this is a new product with no customer reviews yet, shoppers should rely on the brand's reputation and the detailed product information provided.

Overall, the Survival Garden Seeds Companion Plant Collection is an excellent choice for gardeners who want to improve their vegetable patch naturally. The combination of culinary herbs, edible flowers, and pollinator attractors offers both practical and aesthetic benefits. With its emphasis on organic, sustainable growing, this set delivers good value for the price.

The Pest Defense 6 Pack from SurvivalGardenSeeds is a thoughtfully curated set of heirloom seeds designed to help you manage garden pests naturally. It includes catnip, marigold, hyssop, basil, lavender, and petunia - six plants known for their pest-repelling and pollinator-attracting properties. This pack is perfect for organic gardeners, beginners, or anyone looking to reduce chemical use in their outdoor or indoor spaces.

What sets this collection apart is the careful selection of varieties that work together. Catnip repels mosquitoes and aphids, marigold deters cabbage moths and hornworms, and lavender keeps flies and ticks at bay. Meanwhile, basil and petunia add beauty and fragrance while supporting bees and butterflies. The seeds are heirloom, non-GMO, and open-pollinated, which means you can save seeds from your harvest for future planting - a big plus for sustainability-minded growers.

In terms of quality, SurvivalGardenSeeds is a family-owned US business that tests each batch for germination. The seed packets come with clear instructions, making it easy to start indoors or direct sow. The expected bloom period runs from spring to fall, giving you months of pest protection and visual appeal. The plants are low maintenance and thrive in full sun with moderate watering, suitable for USDA zones 4-9.

One honest drawback is that not every seed type germinates at the same speed. Lavender, for instance, can be slow and may need cold stratification for best results. Also, while these plants help deter pests, they are not a silver bullet - severe infestations may still require additional measures. But for most home gardens, this mix provides a solid, chemical-free foundation.

Overall, the Pest Defense 6 Pack is a smart investment for anyone wanting to grow a more resilient garden. It combines practicality with beauty, and the heirloom quality adds long-term value. If you're looking for an easy, natural way to protect your plants while supporting pollinators, this seed collection is an excellent choice.

Indoor/Outdoor Usage: Indoor, Outdoor

Brand: SURVIVAL GARDEN SEEDS

Material Feature: GMO Free, Heirloom

Color: Multicolor

Special Feature: Attracts Pollinators, Fragrant, High Germination Rate, Low Maintenance, Pest Resistant

Expected Blooming Period: Spring to Fall

Sunlight Exposure: Full Sun

Unit Count: 6.0 Count

Expected Planting Period: Spring to Summer

USDA Hardiness Zone: 4-9

Expected Plant Height: 18 Inches

Soil Type: Loam Soil

Moisture Needs: Moderate Watering

Number of Pieces: 6

Seed Treatment Method: Untreated

Product Dimensions: 8 x 6 x 0.24 inches

Item Weight: 0.704 ounces

Manufacturer: JD Hardware LLC

ASIN: B0F3P619T2

The Burpee Boxwood Basil is a unique twist on a classic herb. Unlike traditional basil varieties that grow tall and leggy, this one forms tight, compact mounds of small leaves that resemble boxwood shrubs. It was bred in France specifically for its ornamental value and intense flavor, making it a dual-purpose plant that looks great in the garden and tastes even better in the kitchen. Whether you are an experienced gardener or just starting out, this basil is a fantastic choice for edging pathways, filling containers, or adding a decorative touch to your patio.

In real-world use, the seeds germinate quickly for most gardeners. Many reviews highlight a high success rate, with sprouts appearing within a week under proper conditions. The plants grow to about 8 inches tall and 4 inches wide, forming dense, bushy mounds that stay neat without much pruning. The leaves are small but packed with a sweet, aromatic flavor that reviewers describe as outstanding for pesto, salads, and even breakfast dishes like avocado toast. One customer noted that after cutting the plant back, it grew back just as bushy, showing good resilience.

The design and build quality of the seeds themselves are typical of Burpee's standard. The packet contains 100 seeds, though a few customers have mentioned receiving slightly fewer. Germination rates are generally high, but a small number of users reported poor results, which could be due to overwatering, incorrect soil temperature, or storage conditions. Burpee provides clear instructions: sow outdoors four weeks after the last frost, keep soil moist but not saturated, and provide full sun. The seeds are non-GMO and come from a company with a long-standing reputation for quality.

There are a few honest drawbacks to consider. First, as an annual, you will need to replant each year if you want a continuous supply. Second, while most customers are satisfied with germination, the inconsistency in seed count and occasional low germination can be frustrating. Finally, the compact size means you won't get as many leaves per plant as you would from a larger variety like Genovese, so if your main goal is high yield for pesto in bulk, you might want to plant multiple seeds or choose a larger-leafed type.

Overall, the Burpee Boxwood Basil is a delightful addition to any garden. It combines ornamental charm with culinary excellence, making it a standout choice for gardeners who appreciate both aesthetics and flavor. Despite minor drawbacks like variable seed count and annual replanting, the positive reviews and Burpee's trusted name make it a solid buy. If you want a basil that looks as good as it tastes, this one is well worth trying.

The SurvivalGardenSeeds Companion Plants Seeds Collection offers a thoughtful trio for gardeners who want to maximize space and yield through natural partnerships. It includes San Marzano tomato seeds (a celebrated Italian paste variety), Crackerjack marigold seeds (a robust, drought-tolerant annual), and a culinary basil blend featuring five distinct types. This set is designed for anyone from beginner to experienced grower who values non-GMO, heirloom genetics and wants a head start on a productive, low-maintenance garden.

Standout features center on companion planting synergy. The marigolds work as a natural pest deterrent and attract beneficial insects, while basil enhances tomato flavor and repels certain pests. The San Marzano tomatoes are known for their meaty flesh and low moisture content, making them ideal for sauces and canning. The basil blend adds variety with Genovese, Lemon, Lime, Opal, and Thai basil, each bringing unique culinary notes. All seeds are untreated, open-pollinated, and from a family-owned US company with a promise of high germination rates.

In terms of real-world performance, these seeds should perform well under typical growing conditions. The marigolds are especially forgiving, thriving in full sun with moderate water. The tomatoes and basil also prefer warm, sunny spots with well-draining loam soil. The included instructions provide clear guidance on planting depth, spacing, and care. With a USDA hardiness range of 3-11 and a spring-to-fall planting window, the collection is broadly adaptable, though southern growers will have an easier time with the longer-season tomatoes.

Potential drawbacks are minor but worth noting. The pack contains only three packets, so if you're planning a large garden, you may need to buy additional seeds. Also, there are zero customer reviews at this point, so we cannot confirm how these seeds perform in diverse climates. The San Marzano variety requires patience and a longer season; northern gardeners with short summers may need to start seeds indoors or use a greenhouse.

Overall, this companion plants collection is a smart, affordable choice for anyone wanting to start a companion-planted garden with high-quality heritage seeds. The combination is well-researched, the branding is trustworthy, and the price is reasonable for the value. If you're looking for a simple way to boost your garden's health and harvest, this set is worth adding to your cart.

The Sereniseed Certified Organic Herb Seeds 10-Pack is a straightforward, reliable choice for anyone looking to start a kitchen herb garden. With over 7,000 reviews and a solid 4.4-star rating, this pack covers ten of the most popular culinary herbs: basil, cilantro, oregano, thyme, parsley, lavender, chives, sage, dill, and even Thai basil. All seeds are USDA certified organic by Oregon Tilth, non-GMO, and heirloom – meaning they're open-pollinated and can be saved for future planting.

What really sets this pack apart is the attention to quality. Sereniseed stores their bulk seeds in a temperature- and humidity-controlled walk-in cooler, which helps maintain high germination rates. The company also tests each batch for purity and germination before packing, and they back it up with a guarantee: if you have issues, they'll make it right. This is a big confidence booster for first-time gardeners or anyone who's had bad luck with seeds before.

In real-world use, most users report strong results. Many reviewers mention 90-95% germination rates with common herbs like basil, cilantro, dill, and chives. The included seed-starting video and printed tips on each packet make it easy to get started, whether you're planting in soil, a hydroponic setup, or directly in a garden bed. That said, a few users note that some herbs – particularly lavender – can be more finicky and may not germinate as reliably. This is not unusual for lavender seeds, but it's worth knowing if you're counting on that variety.

Overall, this is a well-priced, trustworthy kit for building a home herb garden. It's ideal for beginners or anyone who wants a curated selection of organic, non-GMO seeds without having to hunt down individual packets. The customer service is responsive, the seeds are fresh, and the variety covers all the essentials for cooking. Just don't expect every single seed to sprout – especially with lavender – but the majority will, and the company stands behind their product.

Product: Sereniseed Certified Organic Herb Seeds (10-Pack)

Varieties: Thyme, Italian Oregano, Caribe Cilantro, Giant Italian Parsley, English Lavender, Genovese Basil, Broad Leaf Sage, Bouquet Dill, Common Chives, Thai Basil

Certification: USDA Certified Organic by Oregon Tilth

Non-GMO: Yes, all varieties are open-pollinated, non-GMO, and heirloom

Sunlight: Full sun

Hardiness Zones: 2 through 9

Planting: Suitable for indoor and outdoor – spring to summer

Care: Do not overwater; trim plants back every 3 years to promote growth

Dimensions: 10 x 7 x 0.7 inches, weight 1.13 ounces

This pack is best for home gardeners who want a simple, curated selection of organic culinary herbs. It's a great gift for beginners or for anyone who wants to start an indoor herb garden on a windowsill or under grow lights. If you're looking for a single variety or larger quantities for a big garden, you might want to buy individual packets instead. For best results, follow the instructions on the back of each packet – especially regarding soaking and light exposure. The seeds are fresh and stored properly, so they should sprout well if you give them the right conditions.

The Bloomtiva Italian Large Leaf Basil seed pack is a solid choice for anyone looking to grow fresh basil at home. With 2000 non-GMO, heirloom seeds grown in the USA, this product targets both new and experienced gardeners who want reliable germination and a steady supply of aromatic leaves. The seeds are suited for indoor pots, outdoor garden beds, or even hydroponic setups, making them versatile for various spaces.

What stands out is the quick germination time of 5 to 10 days under proper conditions. The seeds sprout readily when kept at 70-80°F in moist, well-draining soil. Once established, the plants reach maturity in about 60 to 90 days. Regular pinching encourages bushier growth and more leaves, so you can harvest continuously throughout the season. This makes the product practical for cooks who want fresh basil for pesto, salads, or teas without relying on store-bought herbs.

The build quality here is really about the seed itself. Bloomtiva emphasizes that these are non-GMO and heirloom, which means you can save seeds from your harvest for future planting. The seeds are also classified as non-toxic and not noxious weeds, so they are safe for home gardens. The packaging is straightforward and functional, with clear instructions included. However, the seeds are tiny, so careful handling is needed during planting to avoid wasting them.

One potential drawback is the limited customer feedback so far, with only one review available. While the product specs look promising, it is always wise to start with a small test batch to see how they perform in your specific conditions. Also, the seeds need consistent moisture and warmth, which might be challenging in cooler climates without a heat mat or indoor setup.

Overall, the Bloomtiva Italian Large Leaf Basil seeds offer excellent value for the price. They combine high germination rates, USA-grown quality, and versatility for various growing methods. If you want a dependable basil variety that delivers flavorful leaves all season, this pack is worth trying. Just be prepared to provide the right conditions for germination, and you will likely enjoy a bountiful harvest.

Brand: Bloomtiva

Plant Type: Ocimum basilicum (Italian Large Leaf Basil)

Seed Count: 2000

USDA Hardiness Zones: 2-11

Sunlight: Full sun (6-8 hours daily)

Soil: Consistently moist, fertile, well-drained

Watering: Moderate

Expected Plant Height: 1.1 feet

Bloom Time: Summer

Planting Period: Spring

Indoor/Outdoor: Both

Features: Non-GMO, Heirloom, High Germination Rate, Low Maintenance, Made in USA

The HOME GROWN Non GMO Italian Basil Seeds Bulk Pack offers 1,424 heirloom seeds of the sweet large leaf variety perfect for anyone who loves fresh basil in their cooking. Whether you're a first time gardener or a seasoned grower, this pack gives you plenty of seeds to fill a whole garden or several containers. The seeds are sourced in the USA, non-GMO, and come with a digital grow guide to help you succeed.

These seeds are known for quick germination (5-10 days) and vigorous growth. Users report seeing sprouts within a week, and the plants reach harvestable size in about 60-90 days. The large leaves have the classic sweet basil flavor that makes them perfect for pesto, sauces, and salads. Regular pinching encourages bushier plants and a longer harvest period, so you can enjoy fresh basil for months.

The seeds are designed for both indoor and outdoor planting. They thrive in full sun and well-draining loam soil, and they grow up to 24 inches tall. The pack is ideal for container gardening on patios or balconies, and the plants can be brought indoors during colder months if you have a sunny spot. The included online grow guide covers soil prep, watering, and troubleshooting, which is helpful for beginners.

While the overwhelming majority of reviews praise the high germination rate and flavor, a handful of users reported no germination at all. This may be due to cold soil or poor seed storage, but it's worth noting that like all seeds, success depends on proper conditions. Basil needs warm soil (70-85°F) and consistent moisture without being waterlogged. A few also noted that the plants can attract aphids if overcrowded, but regular spacing and air circulation help.

Overall, this is a solid, affordable choice for growing your own Italian basil. The large seed count, reliable germination, and authentic flavor make it a great value for home cooks and gardening enthusiasts. If you follow the basic care tips, you'll likely be rewarded with a bountiful harvest of delicious leaves.

If you love cooking with fresh basil but don't have much garden space, Liliana's Garden Globe Basil seeds are a smart pick. This heirloom variety grows into a compact, bushy plant with small leaves that pack a punch. Home cooks and gardeners alike will appreciate how easy it is to grow and how the leaves don't need chopping before use. It's ideal for containers on a patio, a sunny windowsill, or even a hydroponic setup.

The standout quality here is the flavor. Many reviewers rave about the excellent taste and aromatic qualities, noting a pleasant spicy kick that sets it apart from standard sweet basil. The seeds have a high germination rate (85%), and customers consistently report success with sprouting. One user grew a beautiful basil bush from a container, while another successfully started seeds in a hydro garden and potting soil. This basil is versatile and rewarding.

Design and build quality are straightforward: you get 250 seeds packed in the USA. The packaging is simple but functional, and the seeds themselves are fresh and viable. The compact growth habit means you can harvest leaves continuously without the plant getting leggy. It's a reliable performer for both new and experienced gardeners.

There are a couple of things to keep in mind. The spicy flavor might surprise you if you're expecting plain sweet basil. One reviewer was disappointed because they wanted a milder taste. Also, some users found that seedlings can be delicate during transplanting. Wait until they have a few sets of true leaves before moving them to avoid shock. These are minor issues that don't overshadow the overall quality.

Overall, Liliana's Garden Globe Basil seeds are a solid choice for anyone who wants fresh, flavorful basil at their fingertips. They're easy to grow, produce abundantly, and the taste is a cut above. If you appreciate a bit of spice in your pesto or caprese salad, this variety is worth trying.