Radish
Seed # 169
Basic Information
- Seed Number
- 169
- Seed Name
- Radish
- Variety
- Daikon
- Category
- Vegetable
- Plant Family
- Brassicaceae
- Plant Type
- Daikon radish (Raphanus sativus var. longipinnatus)
- Planting Method
- Direct Sow
- Seed Status
- In Seed Bank
- Created
- 2026-08-14 00:50:34
- Updated
- 2026-08-19 15:35:29
Planting Information
- Start Planting Date
- Apr 1
- Last Recommended Planting Date
- Aug 15
- Plantable Months
- April, May, July, August
- Indoor Start
- Not recorded
- Direct Sow
- Apr 1 – Aug 15
- Transplant
- Not Recommended
- Indoor Start Weeks Before Frost
- Not Recommended
- Transplant Weeks After Frost
- Not Recommended
- Germination Days
- 4–14 days
- Harvest/Maturity
- 50–65 days
- Succession Planting
- Not recorded
Growing Conditions
- Ideal Soil Temperature
- 50-85°F
- Planting Depth
- 1/2 in
- Plant Spacing
- 4-6 in
- Row Spacing
- 12-18 in
- Thin-To Spacing
- 4-6 in
- Sun Requirements
- Full sun
- Water Needs
- Maintain steady soil moisture so roots develop rapidly without becoming woody
- Soil Preference
- Deep, loose, stone-free, well-drained soil
- Minimum Container Size
- 12-18 in deep
- Plant Height
- Not recorded
- Perennial/Biennial Status
- Annual
- Container Friendly
- Yes
- Trellis/Support Needed
- No
- Frost Tolerant
- Yes
- Heat Tolerant
- No
- Drought Tolerant
- No
- Pollinator Friendly
- Yes
- Medicinal
- No
Garden Uses
Container Culinary Pollinator Seed SavingCompanion Planting
| Plant | Relationship | Notes |
|---|---|---|
| Cilantro | Good Companion | Not recorded |
| Cilantro | Good Companion | Not recorded |
| Peas | Good Companion | Not recorded |
| Spinach | Good Companion | Not recorded |
| Spinach | Good Companion | Not recorded |
Storage
- Seed Source/Brand
- UF/IFAS; University of Maryland Extension; MSU Extension
- Packet Year
- Not recorded
- Quantity Notes
- Not recorded
- Purchase Date
- Not recorded
- Expiration Year
- Not recorded
- Storage Box
- Not recorded
- Container
- Not recorded
- Envelope
- Not recorded
- Row
- Not recorded
- Slot
- Not recorded
- Storage Notes
- Not recorded
Notes
Original Planting Method: Direct sow
Outdoor / Direct Sow / Transplant Window: Apr 1 – May 1; Jul 20 – Aug 20
Days to Harvest / Bloom: About 50–60 days
Container Friendly: Yes, 12–18+ in deep
Pollinator Friendly: Low when harvested; flowers attract insects if allowed to bolt
Medicinal / Herbal Use: Culinary root
Perennial?: No; grown as an annual
Succession / Reusable Notes: A second fall sowing 1–2 weeks after the first can extend harvest.
Zone 6B Notes: Fall planting is usually the best fit in Zone 6B for smooth, mild roots.
Companion Plants: Lettuce, peas, spinach, cilantro
Avoid Planting Near / Watch Outs: Needs deep, loose soil; compacted or rocky soil can deform long roots. Hot weather can reduce quality.
Sources: UF/IFAS: https://ask.ifas.ufl.edu/publication/HS1370 | University of Maryland Extension: https://extension.umd.edu/resource/growing-radishes-home-garden | MSU Extension: https://www.canr.msu.edu/resources/garden_planning_calendar
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Zone 6B: Daikon can be spring sown, but late-summer sowing for a cool fall harvest is often especially successful. Avoid the hottest portion of summer.
Germination: Direct sow because transplanting can damage the long taproot and cause forked roots.
Harvest: Most daikon types mature approximately 50-65 days after sowing. Harvest before severe freezing and before roots become excessively fibrous.
Seed Saving: Daikon crosses with other Raphanus sativus radishes. Allow selected plants to flower and mature dry seed pods.
Special Care: The packet identifies only the general Daikon type rather than a named cultivar, so exact root dimensions and cultivar-specific maturity are not assigned beyond the documented species/type range.
Research Source: University of Florida IFAS Extension — https://ask.ifas.ufl.edu/publication/HS1370 — daikon identity, 50-60 day general maturity and 1/2-1 inch sowing depth
Research Source: Stover Seed — https://www.stoverseed.com/vegetable/radish-giant-minowase-daikon-radish-seed/ — representative daikon 7-14 day germination, 1/2-inch depth, 6-inch final spacing and 65-day maturity
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