How to Grow Rosemary

Ready to grow Rosemary?

Order seeds or buy established plants.

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🛠️ Supplies You'll Need

🌱 Seed Starting Trays 🪴 Seed Starting Mix 💡 Grow Lights 🌡️ Heat Mat 🪵 Raised Garden Bed 🌍 Vegetable Garden Soil 🛠️ Hand Trowel Set 🚿 Watering Can

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Find Your Rosemary Planting Dates

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🌿 Plant Overview

Scientific Name Salvia rosmarinus

Category herb

Type Shrub

Days to Maturity 120 days

Starting Method Start Indoors

☀️ Growing Requirements

☀️

Sun

Full Sun (6+ hours)

💧

Water

Low (drought tolerant)

↔️

Spacing

24" apart

🌱

Depth

0.25" deep

📏

Height

24-48"

🌱

Germination

14-21 days

Ready to Grow Rosemary?

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Rosemary Planting Calendar by Zone

Rosemary Planting Calendar by State

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Frequently Asked Questions

When should I plant Rosemary? +

Start Rosemary seeds indoors 10 weeks before your last frost date, then transplant outdoors 2 weeks after the last frost. Use the search on this page to find exact dates for your ZIP code or city.

How long does Rosemary take to grow? +

Rosemary typically matures in about 120 days from planting. Exact timing varies by variety, soil conditions, and local climate.

Should I start Rosemary indoors or direct sow? +

Rosemary should be started indoors 10 weeks before the last frost date. This gives seedlings time to establish before being transplanted outside after frost danger has passed.

How much sun does Rosemary need? +

Rosemary requires full sun (6+ hours) to thrive.

How far apart should I plant Rosemary? +

Space Rosemary plants 24 inches apart to allow adequate airflow and root development.

How much water does Rosemary need? +

Rosemary has low (drought tolerant) water needs. Consistent moisture is important especially during germination and early growth.

About Rosemary

Woody perennial herb for Mediterranean dishes. Excellent in containers; bring indoors in cold climates.

Expect your Rosemary to be ready for harvest in approximately 120 days from planting.

Use the search above or browse by zone or state to find the perfect planting dates for your location.