Quick Facts
🌡️ Season
Warm-Season
☀️ Sun Needs
Full Sun (6+ hrs)
💧 Water
Low
📐 Spacing
24 inches apart
🕳️ Planting Depth
surface sow, press lightly
📅 Days to Harvest
80–120 days
🧪 Soil pH
6–7
🌡️ Min Soil Temp
55°F
🏠 Start Indoors
10 weeks before last frost
🌱 Direct Sow
No — transplant only
🔥 Heat Tolerance
High
❄️ Cold Tolerance
Low
When to Plant Rosemary by Zone
Planting dates vary by USDA hardiness zone. Find your zone at the Smart Planner.
| Zone | Start Indoors | Direct Sow | Transplant | Harvest |
|---|---|---|---|---|
| Zones 3–4 (Cold) | Feb, Mar | — | May, Jun | Jun, Jul, Aug, Sep |
| Zones 5–6 (Cool) | Feb, Mar | — | May | May, Jun, Jul, Aug, Sep, Oct |
| Zones 7–8 (Moderate) | Jan, Feb | — | Mar, Apr | Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec |
| Zones 9–10 (Warm) | — | — | Feb, Mar | Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec |
| Zones 11–13 (Tropical) | — | — | Jan, Feb | Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec |
Recommended Varieties
Tuscan Blue
Upright, culinary standard🔥 Heat Tolerant
Arp
Most cold-hardy variety, survives to zone 6🔥 Heat Tolerant
🌿 Companion Planting
Plant With
🥬 cabbage🌱 beans🥕 carrot🌱 sage
🗺️ Growing Zones
12345678910111213
Highlighted zones are suitable for growing rosemary.
🛒 Shop Rosemary Seeds
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