Radish
Seed # 167
Basic Information
- Seed Number
- 167
- Seed Name
- Radish
- Variety
- Champion
- Category
- Vegetable
- Plant Family
- Brassicaceae
- Plant Type
- Round spring radish (Raphanus sativus)
- 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
- Mar 24
- Last Recommended Planting Date
- Sep 15
- Plantable Months
- March, April, May, August, September
- Indoor Start
- Not recorded
- Direct Sow
- Mar 24 – Sep 15
- Transplant
- Not Recommended
- Indoor Start Weeks Before Frost
- Not Recommended
- Transplant Weeks After Frost
- Not Recommended
- Germination Days
- 3–10 days
- Harvest/Maturity
- 25–28 days
- Succession Planting
- 10 days
Growing Conditions
- Ideal Soil Temperature
- 45-70°F
- Planting Depth
- 1/2 in
- Plant Spacing
- 2 in
- Row Spacing
- 6-12 in
- Thin-To Spacing
- 2 in
- Sun Requirements
- Full sun
- Water Needs
- Maintain consistent moisture for rapid, tender root growth
- Soil Preference
- Loose, fertile, well-drained soil free of stones and heavy compaction
- Minimum Container Size
- 6 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 |
|---|---|---|
| Peas | Good Companion | Not recorded |
| Spinach | Good Companion | Not recorded |
| Spinach | Good Companion | Not recorded |
Storage
- Seed Source/Brand
- Ferry-Morse; 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: Mar 20 – May 15; Aug 15 – Sep 10
Days to Harvest / Bloom: About 25–28 days
Container Friendly: Yes, 6–8+ in deep
Pollinator Friendly: Low when harvested; flowers attract insects if allowed to bolt
Medicinal / Herbal Use: Culinary; roots and greens are edible
Perennial?: No; annual/biennial crop grown as an annual
Succession / Reusable Notes: Sow every 7–14 days during cool weather for a continuous harvest.
Zone 6B Notes: Best in early spring and fall; skip the hottest part of summer.
Companion Plants: Lettuce, carrots, peas, spinach
Avoid Planting Near / Watch Outs: Heat can make roots pithy, woody or very spicy and can trigger bolting. Keep soil evenly moist and harvest promptly.
Sources: Ferry-Morse: https://ferrymorse.com/products/radish-champion-organic-seeds | MSU Extension: https://www.canr.msu.edu/resources/garden_planning_calendar
[[RESEARCH ENRICHMENT START]]
Zone 6B: Champion is best grown during cool spring and fall weather. Avoid the hottest part of summer because heat can make roots pungent, woody or pithy.
Germination: Direct sow shallowly in cool, moist soil. Thin promptly so roots have enough room to develop.
Harvest: Harvest around 25-28 days while roots are crisp and tender. Champion was selected to remain firm and resist becoming pithy longer than many early radishes.
Seed Saving: Radishes cross readily with other Raphanus sativus varieties. Allow selected roots to flower and form fully dry seed pods.
Special Care: Champion is an All-America Selections winner and produces round bright-red roots approximately 1.5-2 inches across.
Research Source: Ferry-Morse — https://ferrymorse.com/products/radish-champion-organic-seeds — Raphanus sativus identity, 28-day maturity, approximately 2-inch root size and slow-pithing characteristic
Research Source: Urban Farmer — https://www.ufseeds.com/product/champion-radish-seeds/RACH.html — Champion as a cool-weather variety suitable for early and late plantings
[[RESEARCH ENRICHMENT END]]