Hardy - plant as soon as soil can be worked in the spring.
Acidity (pH) Tolerance
6.8 to 5.5 pH
Salinity (Ec) Tolerance
Apply 1 pound of all-purpose fertilizer (20-20-20) per 100 feet of row. A second application of liquid fertilizers two weeks after planting encourages quick growth.
The secret to good radishes is plenty of even moisture. Supply sufficient water to plants without creating waterlogged soil. If allowed to dry out, radishes taste hot.
Plant Development and Care
The secret to good radishes is plenty of even moisture. They are a good starter crop for gardens and because they mature in 3 to 4 weeks, they are fun for children to raise. Plant in cool weather to avoid hot radishes and replant small crops every 2 to 3 weeks. Thin shortly after they emerge because they mature so quickly.
Germination Time (Days)
29 days at 41° F 11 days at 50° F 6 days at 59° F 4 days at 68° F 4 days at 77° F or higher