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When to Plant Radish in Fort Greely, Alaska (99731)

Location

Fort Greely, Alaska

ZIP Code

99731

USDA Zone

2a

Last Frost

Monday, June 1, 2026

📅 Planting Calendar

Direct Sow Outdoors Monday, April 20, 2026

Pro Tip: Radish can be directly sown outdoors. Plant 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Rhaphanus sativus
Days to Maturity 25 days
Mature Height 6-12"
Spread 3"
Type Root
Fruit Size Small (1-2 inches)

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Regular (keep moist)

↔️

Spacing

2" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 3-7 days

🤝 Good Companions

CarrotLettucePeaCucumberSpinach

⚠️ Avoid Planting Near

Hyssop

Other Plants for Fort Greely

Growing Radish in Zone 2a

Radish (Rhaphanus sativus) is a popular garden vegetable. In Fort Greely, Alaska, which is in USDA Hardiness Zone 2a, you should direct sow seeds around Monday, April 20, 2026.

Your average last frost date is Monday, June 1, 2026. Radish grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.