When to Plant Rosemary in Kobuk, Alaska (99751)

Location

Kobuk, Alaska

ZIP Code

99751

USDA Zone

Last Frost

Wednesday, June 10, 2026

📅 Planting Calendar

Start Seeds Indoors Wednesday, April 1, 2026

Transplant Outdoors Wednesday, June 24, 2026

Pro Tip: Start Rosemary seeds indoors 10 weeks before your last frost date, then transplant outdoors around Wednesday, June 24, 2026.

🌿 Plant Details

Scientific Name Salvia rosmarinus

Days to Maturity 120 days

Mature Height 24-48"

Spread 24"

Type Shrub

Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Full Sun (6+ hours)

💧

Water

Low (drought tolerant)

↔️

Spacing

24" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 14-21 days

Ready to Plant Rosemary in Kobuk?

Get your seeds now so they're ready by Wednesday, April 1, 2026.

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Growing Rosemary in Zone 1b

Rosemary (Salvia rosmarinus) is a popular garden vegetable. In Kobuk, Alaska, which is in USDA Hardiness Zone 1b, you should start seeds indoors around Wednesday, April 1, 2026.

Your average last frost date is Wednesday, June 10, 2026. Plan to transplant your Rosemary seedlings outdoors around Wednesday, June 24, 2026, about 2 weeks after your last frost date.