When to Plant Watermelon Radish in Hughes, Alaska (99745)

Location

Hughes, Alaska

ZIP Code

99745

USDA Zone

Last Frost

Wednesday, June 10, 2026

📅 Planting Calendar

Direct Sow Outdoors Wednesday, May 13, 2026

Pro Tip: Sow Watermelon Radish directly outdoors 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Raphanus sativus

Days to Maturity 60 days

Mature Height 6-10"

Spread 4"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

4" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 3-7 days

Ready to Plant Watermelon Radish in Hughes?

Get your seeds now so they're ready by Wednesday, May 13, 2026.

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🤝 Good Companions

CarrotSpinachLettucePea

⚠️ Avoid Planting Near

Hyssop

Other Plants for Hughes

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Growing Watermelon Radish in Zone 1b

Watermelon Radish (Raphanus sativus) is a popular garden vegetable. In Hughes, Alaska, which is in USDA Hardiness Zone 1b, you should direct sow seeds around Wednesday, May 13, 2026.

Your average last frost date is Wednesday, June 10, 2026. Watermelon Radish grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.