When to Plant Rosemary in New Portland, Maine (04954)

Location

New Portland, Maine

ZIP Code

04954

USDA Zone

Last Frost

Sunday, May 10, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, March 1, 2026

Transplant Outdoors Sunday, May 24, 2026

Pro Tip: Start Rosemary seeds indoors 10 weeks before your last frost date, then transplant outdoors around Sunday, May 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 New Portland?

Get your seeds now so they're ready by Sunday, March 1, 2026.

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Growing Rosemary in Zone 5a

Rosemary (Salvia rosmarinus) is a popular garden vegetable. In New Portland, Maine, which is in USDA Hardiness Zone 5a, you should start seeds indoors around Sunday, March 1, 2026.

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