Supplier Transparency:
② Family-owned companies or cooperatives, domestic and foreign
⑤ Multinational corporations who are engaged in genetic engineering
From early May through October 31, items shipping from our garden seeds warehouse ship twice a week, usually Tuesday and Thursday. For quickest turnaround time order online by noon Monday or Wednesday.
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
Culture: Summer radishes may be sown almost as soon as the ground can be worked. Minimum germination soil 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 (p. 144) 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.
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.
All of our seeds are non-GMO, and free of neonicotinoids and fungicides. Fedco is one of the original companies to sign the Safe Seed Pledge.
