Black Radish illustration

Black Radish Growing Guide

Brassicaceae family

Days to Harvest60 days
SunlightFull Sun
Frost ToleranceLight
Spacing4/sqft (6" apart)
Germination3-7 days
HardinessSemi Hardy
Germ. Temp65°F

Growth Stages

  1. Seedling
  2. Vegetative / Root Development
  3. Mature / Harvest Ready

Planting Dates by Zone

Zone 1aZone 1bZone 2aZone 2bZone 3aZone 3bZone 4aZone 4bZone 5aZone 5bZone 6aZone 6bZone 7aZone 7bZone 8aZone 8bZone 9aZone 9bZone 10aZone 10bZone 11aZone 11bZone 12aZone 12bZone 13aZone 13b

Frequently Asked Questions

How long does it take to grow Black Radish?

Black Radish takes approximately 60 days from planting to harvest.

How much sun does Black Radish need?

Black Radish requires full sun (6+ hours direct sunlight per day).

How far apart should I plant Black Radish?

Plant Black Radish at 4/sqft (6" apart) using square foot gardening spacing.

Can Black Radish survive frost?

Black Radish is tolerant of light frost.

How long does Black Radish take to germinate?

Black Radish seeds germinate in 3-7 days at an optimal temperature of 65°F.

Plan Your Black Radish Garden

Track Black Radish from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Learn More