When to Plant Brussels Sprouts in Zone 10
Brassica oleracea var. gemmifera
Last updated: Apr 25, 2026 · Sources: USDA, NOAA, Cooperative ExtensionZone 10 Planting Schedule
Start Indoors
Dec 23
6–8 weeks before transplant
Transplant Out
Feb 10
After last frost (Feb 10)
First Harvest
May 8
80–110 days after planting
Season Ends
Jul 7
Before first frost (Dec 10)
Quick Facts
Sunlight
☀️ Full Sun
Water Needs
💧💧 Moderate
Spacing
24 inches apart
Planting Depth
0.5 inch
Min Soil Temp
40°F
Germination
5–10 days
Days to Maturity
80–110 days
Frost Tolerance
Heavy frost tolerance
Soil pH
6.0–7.5
Difficulty
Moderate
Recommended for Zone 10
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Brussels Sprouts Schedule — All Zones
| Zone | Start Indoors | Transplant | Direct Sow | Harvest Start | Harvest End |
|---|---|---|---|---|---|
| Zone 3 | Mar 27 | May 15 | — | Aug 10 | Sep 12 |
| Zone 4 | Mar 22 | May 10 | — | Aug 5 | Sep 22 |
| Zone 5 | Mar 12 | Apr 30 | — | Jul 26 | Sep 24 |
| Zone 6 | Feb 25 | Apr 15 | — | Jul 11 | Sep 9 |
| Zone 7 | Feb 15 | Apr 5 | — | Jul 1 | Aug 30 |
| Zone 8 | Jan 30 | Mar 20 | — | Jun 15 | Aug 14 |
| Zone 9 | Jan 10 | Feb 28 | — | May 26 | Jul 25 |
| Zone 10 | Dec 23 | Feb 10 | — | May 8 | Jul 7 |
📚 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.