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When to Plant Mizuna in Delta Junction, Alaska (99737)

Location

Delta Junction, Alaska

ZIP Code

99737

USDA Zone

3a

Last Frost

Monday, May 25, 2026

📅 Planting Calendar

Direct Sow Outdoors Monday, April 27, 2026

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

🌿 Plant Details

Scientific Name Brassica rapa var. nipposinica
Days to Maturity 40 days
Mature Height 8-18"
Spread 8"

☀️ Growing Requirements

☀️

Sun

Partial to Full Sun (4-6 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

6" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 4-7 days

Ready to Plant Mizuna in Delta Junction?

Get your seeds now so they're ready by Monday, April 27, 2026.

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🤝 Good Companions

CarrotOnionBeetSpinach

⚠️ Avoid Planting Near

StrawberryTomato

Other Plants for Delta Junction

Growing Mizuna in Zone 3a

Mizuna (Brassica rapa var. nipposinica) is a popular garden vegetable. In Delta Junction, Alaska, which is in USDA Hardiness Zone 3a, you should direct sow seeds around Monday, April 27, 2026.

Your average last frost date is Monday, May 25, 2026. Mizuna grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.