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Sign up freeRaphanus raphanistrum subsp. sativus
Black radish is an annual root vegetable with a tough black or dull brown skin and white flesh. It is larger than spring radish varieties, typically growing 7-10 cm in diameter or length, and can reach heights up to 50 cm. The root has a sharp, peppery flavor due to defensive phytochemicals.
A fellow Brassicaceae — similar growing habits to Black radish
Direct-sow Black radish outdoors about 4 weeks before your last frost, keeping seeds in cooler soil (around 10–18 °C). Seeds usually come up in around 3 days. Grow in full sun, spaced about 7 cm apart. Expect to harvest in roughly 45 days.
Black radish seed rarely stays viable beyond 4 years — track what's still worth sowing.
Water: Medium · Height: 50 cm · Soil: Well-drained soil required; prefers loose, fertile soil for proper root development