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When to Plant Rosemary in Dresden, Ohio (43821)

Location

Dresden, Ohio

ZIP Code

43821

USDA Zone

6a

Last Frost

Monday, April 20, 2026

📅 Planting Calendar

Start Seeds Indoors Monday, February 9, 2026
Transplant Outdoors Monday, May 4, 2026

Pro Tip: Start Rosemary seeds indoors 10 weeks before your last frost date for best results.

🌿 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

🤝 Good Companions

BeanCabbageCarrotSage

Other Plants for Dresden

Growing Rosemary in Zone 6a

Rosemary (Salvia rosmarinus) is a popular garden vegetable. In Dresden, Ohio, which is in USDA Hardiness Zone 6a, you should start seeds indoors around Monday, February 9, 2026.

Your average last frost date is Monday, April 20, 2026. Plan to transplant your Rosemary seedlings outdoors around Monday, May 4, 2026, about 2 weeks after your last frost date.