Culture: A favorite for children’s gardens because quick and easy to grow with minimal fertility requirements. Summer radishes may be sown almost as soon as the ground can be worked in the spring. They emerge rapidly and grow quickly for a good fresh spring food. Thin to at least 2" for attractive uniform roots. They develop more pungency in hot temperatures and dry conditions than in cool moist weather. Most are ready for harvest at about the size of a half dollar and will rapidly get woody if allowed to grow much larger.
Culinary: Parboil the greens and roots separately, then eat them together as very early spring salad. And the pot liquor, mmmm…
⅛ oz packet sows 12½ ft; 1 oz sows 100 ft. Radishes average 2,500 seeds/oz.
Culture: Minimum germination temperature 40°, optimal range 55–85°, optimal temperature 85°. Emergence takes 11 days at 50°, only 4 days at 68°, 76% normal seedlings at 50°, 97% normal at 59°.
Disease: FY: Fusarium Yellows
Note: We cannot ship packets greater than ½ oz. (14 grams) of radishes into the Willamette Valley. The State of Oregon prohibits shipping any commercial quantity of untreated Brassica, Raphanus or Sinapis because of a quarantine to control Blackleg.