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Rudolf Radish Seeds

Rudolf Radish Seeds

#3011

Nothing says spring in the garden like a quick-to-harvest radish. 'Rudolf' has uniform 1"‒round, crunchy roots that resist getting pithy when grown in the cool weather of spring or fall. Radish greens are edible, too, and they pack a punch in salads but are also delicious sautéed. A 2008 Royal Horticultural Society award winner. Inert organic coating improves seed visibility when sowing.
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1.0 g

(~80 seeds)

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  • Variety Info
  • Sowing Info
  • Growing Info
  • Learn More

Variety Info

Days to Maturity: 25 days

Family: Brassicaceae

Type: Spring/Summer radish (Learn more)

Native: Unknown

Hardiness: Frost-tolerant annual

Exposure: Full sun to part shade

Plant Dimensions: 6"–8" leaf tops

Variety Info: 1" bright red roots with crisp, white interior.

Attributes: Frost Tolerant, Good for Containers

Sowing Info

When to Sow Outside: RECOMMENDED. 4 to 6 weeks before your average last frost date, and when soil temperature is above 40°F, ideally 65°–85°F. Successive Sowings: Every 1 to 2 weeks until late spring. Sow again in late summer until 4 weeks before your average first fall frost date.

When to Start Inside: Not recommended; roots sensitive to disturbance.

Days to Emerge: 5–10 days

Seed Depth: ½"

Seed Spacing: A group of 3 seeds every 3"

Row Spacing: 12"

Thinning: When 1" tall, thin to 3" apart

Growing Info

Harvesting: Harvest when radish is no larger than 1" in diameter. If allowed to grow bigger, 'Rudolf' will get pithy and hot.