Days to Harvest: 25 to 50 days.
Light: Sunny, partial shade in hot weather.
Temperature: Cold season, 60° F.
Companions: Cucumbers, beans, beets, carrots, spinach and parsnips.
Plants to Avoid: Cabbage, cauliflower, brussels sprouts, broccoli, kohlrabi and turnips..
Planting: Broadcast seed, or plant in rows or blocks.
Spacing: Thin to 2 inches apart
Water: Must be kept evenly most to avoid cracking.
Harvest: Depends on variety. Round types should be harvested when the size of a marble and the long narrow types should be about 1 inch across.
Tips: Hot, dry weather ruins radish quality.