When to Plant Rosemary in Zone 10

Zone 10 Planting Schedule

Start Indoors

Jan 6

6–8 weeks before transplant

Transplant Out

Feb 24

After last frost (Feb 10)

First Harvest

Jun 5

80–120 days after planting

Season Ends

Aug 14

Before first frost (Dec 10)

Quick Facts

Sunlight ☀️ Full Sun

Water Needs 💧 Low

Spacing 24 inches apart

Planting Depth 0.25 inch

Min Soil Temp 55°F

Germination 14–28 days

Days to Maturity 80–120 days

Frost Tolerance Light frost tolerance

Soil pH 6.0–7.0

Difficulty Moderate

Recommended for Zone 10

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Companion Planting

Companion planting improves growth, deters pests, and makes better use of garden space.

✓ Good Companions

Beans Cabbage Carrot

Rosemary Schedule — All Zones

Zone	Start Indoors	Transplant	Direct Sow	Harvest Start	Harvest End
Zone 7	Mar 1	Apr 19	—	Jul 29	Oct 7
Zone 8	Feb 13	Apr 3	—	Jul 13	Sep 21
Zone 9	Jan 24	Mar 14	—	Jun 23	Sep 1
Zone 10	Jan 6	Feb 24	—	Jun 5	Aug 14
Zone 11	Dec 17	Jan 29	—	May 10	Jul 19

📚 Data Sources

Frost dates: NOAA Climate Normals 1991–2020, National Centers for Environmental Information.
Hardiness zones: USDA Plant Hardiness Zone Map, Agricultural Research Service.
Growing requirements: Cooperative Extension Services — NC State, Penn State, University of Florida IFAS.
Companion planting: Cornell University Cooperative Extension.
Data compiled from public agricultural sources. Always verify with your local extension office for micro-climate adjustments.