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When to Plant Garlic in Kwethluk, Alaska (99621)

Location

Kwethluk, Alaska

ZIP Code

99621

USDA Zone

4a

Last Frost

Friday, May 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Friday, May 15, 2026

Pro Tip: Sow Garlic directly outdoors around your last frost date when soil starts to warm.

🌿 Plant Details

Scientific Name Allium sativum
Days to Maturity 240 days
Mature Height 12-24"
Spread 6"
Type Bulb
Fruit Size Medium (2-3 inch bulb)

☀️ Growing Requirements

☀️

Sun

Full Sun (6+ hours)

💧

Water

Low to Moderate

↔️

Spacing

6" apart

🌱

Planting Depth

2" deep

Seeds typically germinate in 8-21 days

Ready to Plant Garlic in Kwethluk?

Get your seeds now so they're ready by Friday, May 15, 2026.

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🤝 Good Companions

TomatoPepperBrassicasCarrotRose

⚠️ Avoid Planting Near

BeanPeaAsparagus

Other Plants for Kwethluk

Growing Garlic in Zone 4a

Garlic (Allium sativum) is a popular garden vegetable. In Kwethluk, Alaska, which is in USDA Hardiness Zone 4a, you should direct sow seeds around Friday, May 15, 2026.

Your average last frost date is Friday, May 15, 2026. Garlic grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.