Raphanus raphanistrum subs. sativus (26 days) Open-pollinated. This popular plum-colored round radish, almost the size of a ping-pong ball, has recently been re-selected for more uniformity. Crisp white flesh has a good sweet taste with only a little heat. One customer who grows radishes under row covers to avoid root-maggot damage calls Plum Purple the radish most tolerant to slightly shaded row-cover conditions. ①③
2253 Plum Purple - Organic
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About 1,800-3,200 seeds/oz.
A favorite for children’s gardens because quick and easy to grow with minimal fertility requirements.
Culture: Summer radishes may be sown almost as soon as the ground can be worked. Minimum germination temperature 40°, optimal range 55–85°. They emerge rapidly and grow quickly. Sow 1-2" apart, and thin to at least 2" for attractive uniform roots. Use row cover to protect from flea beetles. They develop more pungency in dry heat than in cool moist weather. Ready for harvest at about the size of a quarter 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…
Days to maturity are from date of seeding
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 due to quarantine
For the latest results of our germination tests, please see the germination page.