Direct sow seeds from July through September to take advantage of cooler late-summer temperatures. This timing reduces bolting and encourages the development of large, high-quality roots.
Quantity
Approximately 125 seeds
Exposure
Full sun to partial shade
Difficulty level
Easy
Discover the plant
Family
Brassicaceae
Type
Vegetable
Cycle
Annual
Internal product code
BIOVO-0037
Organic Daikon Radish (Raphanus sativus var. longipinnatus) is a vigorous, productive annual root vegetable valued for its long white root, crisp texture, juiciness, and milder flavor compared to spring radishes. Its green foliage reaches approximately 30 to 45 cm (12 to 18 in) in height and brings a fresh, generous presence to the late-season vegetable garden. Especially useful for fall harvests in Canada, it develops quickly, usually in about 50 days after sowing. Its mild, slightly peppery flavor is excellent in salads, pickles, stir-fries, soups, stews, and Asian-inspired recipes.
Organic Daikon Radish is direct sown outdoors from July to September to take advantage of cooler temperatures and reduce premature bolting. It prefers full sun or partial shade in deep, loose, slightly acidic to neutral, well-drained soil, ideally free of stones to prevent misshapen roots. Sow seeds 1 to 2 cm (3/8 to 3/4 in) deep, then thin seedlings to 10 to 15 cm (4 to 6 in) apart to allow proper root development. Maintain regular moisture without waterlogging, as even watering encourages tender, straight, crisp roots.
In the garden, Organic Daikon Radish belongs in family vegetable gardens, edible gardens, fall crops, and rotations where harvest diversity is desired. Its long root helps naturally loosen the soil, making it a useful crop for improving bed structure. It grows well alongside parsley, carrots, onions, and beans, while avoiding proximity to cabbages and turnips whenever possible. If a few plants are allowed to flower, their small white blooms attract bees and other beneficial pollinators, adding ecological value to the vegetable garden.
Sowing guide
From packetto germination.
Sowing periodJuly to September
Best timeJuly to September
Sowing depth1 to 2 cm (0.4 to 0.8 in)
Germination temperature10 to 25 °C (50 to 77 °F)
Germination time4 to 10 days
PropagationPropagated exclusively by direct sowing. Plants allowed to flower and set seed will produce viable seeds that can be saved when proper isolation distances are maintained.
Growing method
Direct sow Raphanus sativus seeds outdoors from July through September to avoid premature bolting caused by the long days of spring. Choose a location in full sun or partial shade with deep, loose, well-drained soil free of stones. Sow seeds 1 to 2 cm (0.4 to 0.8 in) deep and thin seedlings to 10 to 15 cm (4 to 6 in) apart to encourage long, straight roots. Maintain consistent soil moisture for tender, uniform growth. Avoid excessive nitrogen, which encourages leafy growth at the expense of root development. This variety is particularly well suited to productive fall harvests in Canadian gardens.
Soil and care
The rightconditions.
Exposure
Full sun to partial shade
Soil
Deep, loose, well-drained soil allows the long Raphanus sativus root to develop fully. Light, stone-free soil produces straighter, higher-quality harvests.
Soil pH
Slightly acidic to neutral
Watering
Water regularly to keep the soil cool and evenly moist. Consistent irrigation promotes tender, crisp roots while reducing the risk of splitting and woody texture.
Fertilization
A moderate application of compost before sowing is generally sufficient for healthy growth. Avoid excessive nitrogen, as it promotes foliage growth rather than large, high-quality roots.
Care level
Easy
Seasonal care
Maintain consistent soil moisture to encourage straight, tender roots. Thin seedlings early to reduce competition and improve root size. Weed regularly to minimize competition for water and nutrients. Harvest before severe frosts to preserve root quality. After harvest, crop residues may be incorporated into the soil to help improve its structure.
Container growing
A controlledenvironment.
Recommended pot size20 to 30 L (5 to 8 gal)
Organic Daikon Radish can be grown successfully in very deep containers that allow its long root to develop fully. Use a loose, compost-rich growing mix free of stones to prevent misshapen roots. Maintain consistent moisture throughout the growing season to encourage tender, straight roots. This method is ideal for gardeners growing on sunny patios or balconies.
Bloom and dimensions
The completeprofile.
Bloom periodFlowering occurs mainly when some plants are left beyond the normal harvest period. The small white Raphanus sativus flowers attract bees and many beneficial pollinators to the garden.
Flower colorWhite
Foliage colorGreen
Foliage typeDeciduous
HarvestHarvest roots about 50 days after sowing before severe frosts. Timely harvesting preserves their crisp texture, mild flavor, and excellent eating quality.
FruitingLong, crisp white roots harvested at full maturity.
Growth rateFast
Minimum temperature-6°C (21°F)
Garden associations
What to plantwith it.
Good companionsParsley, carrot, onion, bean
Avoid planting withCabbage, turnip
Fresh eating, pickling, stir-fries, soups, cooking, preserving
From the gardento inspiration.
Daikon Radish is widely used in Asian cuisine where it is enjoyed raw, grated, pickled, stir-fried, or cooked in soups and stews. Its mild, slightly peppery flavor complements salads, noodle dishes, braised recipes, and countless traditional Japanese, Korean, and Chinese dishes. The roots also store well for several weeks after harvest, while the young leaves can be used in soups, stir-fries, and homemade pesto.
Frequently asked questions
Everything toknow.
Its long Raphanus sativus root requires deep, loose soil to develop properly. Compact or rocky soil can cause forked or misshapen roots and reduce harvest quality.
Yes. Use a very deep container filled with loose, well-drained soil to allow the long roots to develop properly. This method works especially well for patios and balconies.
Harvest roots about 50 days after sowing. Picking them at the proper stage provides the crispest texture and the mildest flavor.
Yes. If some plants are allowed to flower, their white blooms attract bees and other beneficial pollinators, helping support biodiversity in the vegetable garden.
