Crops & Breeds › Vegetable Garden
Radishes
Vegetable Garden · growing reference
| Days to maturity | 27 days – 60 days, by type |
|---|---|
| Germination | 5 days |
| Spacing | 2″ in the row × 6″ between rows |
| Planted as | seed |
| Water | ~1–1.5 in a week |
When to plant
In USDA zone 6, for example: Plant around Mar 18 — as soon as the ground can be worked.
| Spring | Fall | |
|---|---|---|
| Zone 3 | Apr 17 | Aug 7 |
| Zone 4 | Apr 9 | Aug 12 |
| Zone 5 | Mar 29 | Aug 25 |
| Zone 6 | Mar 18 | Sep 6 |
| Zone 7 | Mar 4 | Sep 27 |
| Zone 8 | Feb 15 | Oct 12 |
| Zone 9 | Jan 23 | Oct 27 |
Dates are the typical window for each zone's average frost dates — your own last frost can differ by a couple of weeks. Zone 10 and warmer is effectively frost-free: plant to the season, not the frost. Southern Hemisphere: shift six months.
Radish Types
- Spring · 27 days · 0.1–0.1 lbs/plant — The little salad radishes (Cherry Belle, French Breakfast, Easter Egg) — the fastest crop there is; sow a pinch every couple of weeks.
- Winter · 55 days · 0.5–1.5 lbs/plant — Round European storage roots (Black Spanish, China Rose) — sown late summer, keeps in the cellar; Watermelon radish is a variety.
- Daikon · 60 days · 1–3 lbs/plant — The long white Asian radish (Minowase, Korean) — wants deep loose ground; also the fall tillage/cover-crop radish.
- Rat-tail · 50 days · 0.3–0.6 lbs/plant — Grown for the crisp seed PODS, not the root (var. caudatus) — eaten raw or stir-fried; the radish use-move.
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