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When to Plant Watermelon Radish in Zone 2B

USDA Zone

2B

Cities Covered

17

Avg Last Frost

Thursday, May 28, 2026

Plant Type

Direct Sow

📅 Planting Calendar for Zone 2B

Direct Sow Outdoors Thursday, April 30, 2026

Pro Tip: Watermelon Radish can be directly sown outdoors. Plant 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Raphanus sativus
Days to Maturity 60 days
Sun Requirements Full Sun (6-8 hours)
Plant Spacing 4" apart

Cities in Zone 2B

Other Plants for Zone 2B

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Growing Watermelon Radish in USDA Zone 2B

Watermelon Radish (Raphanus sativus) grows well in USDA Hardiness Zone 2B. This zone includes cities like Gakona, Glennallen, Mc Grath and 14 more.

The average last frost date for Zone 2B is around Thursday, May 28, 2026. Watermelon Radish can be directly sown outdoors around Thursday, April 30, 2026.

Expect to harvest your Watermelon Radish approximately 60 days after planting.