When to Plant Rosemary in Castleberry, Alabama (36432)

Location

Castleberry, Alabama

ZIP Code

36432

USDA Zone

Last Frost

Sunday, March 15, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, January 4, 2026

Transplant Outdoors Sunday, March 29, 2026

Pro Tip: Start Rosemary seeds indoors 10 weeks before your last frost date, then transplant outdoors around Sunday, March 29, 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 Castleberry?

Get your seeds now so they're ready by Sunday, January 4, 2026.

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Growing Rosemary in Zone 8b

Rosemary (Salvia rosmarinus) is a popular garden vegetable. In Castleberry, Alabama, which is in USDA Hardiness Zone 8b, you should start seeds indoors around Sunday, January 4, 2026.

Your average last frost date is Sunday, March 15, 2026. Plan to transplant your Rosemary seedlings outdoors around Sunday, March 29, 2026, about 2 weeks after your last frost date.