When to Plant Green Onion (Scallion) in Zone 10
Allium fistulosum
Last updated: Apr 25, 2026 · Sources: USDA, NOAA, Cooperative ExtensionZone 10 Planting Schedule
Direct Sow
Feb 10
Directly in garden bed
First Harvest
Apr 11
50–65 days after planting
Season Ends
May 26
Before first frost (Dec 10)
Quick Facts
Sunlight
☀️ Full Sun
Water Needs
💧💧 Moderate
Spacing
3 inches apart
Planting Depth
0.5 inch
Min Soil Temp
40°F
Germination
7–14 days
Days to Maturity
50–65 days
Frost Tolerance
Moderate frost tolerance
Soil pH
6.0–7.0
Difficulty
Easy
Recommended for Zone 10
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Find seeds, soil, and tools suited for growing green onion (scallion) in your zone.
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Companion planting improves growth, deters pests, and makes better use of garden space.
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Beans Peas
Green Onion (Scallion) Schedule — All Zones
| Zone | Start Indoors | Transplant | Direct Sow | Harvest Start | Harvest End |
|---|---|---|---|---|---|
| Zone 3 | — | — | May 15 | Jul 14 | Aug 28 |
| Zone 4 | — | — | May 10 | Jul 9 | Aug 23 |
| Zone 5 | — | — | Apr 30 | Jun 29 | Aug 13 |
| Zone 6 | — | — | Apr 15 | Jun 14 | Jul 29 |
| Zone 7 | — | — | Apr 5 | Jun 4 | Jul 19 |
| Zone 8 | — | — | Mar 20 | May 19 | Jul 3 |
| Zone 9 | — | — | Feb 28 | Apr 29 | Jun 13 |
| Zone 10 | — | — | Feb 10 | Apr 11 | May 26 |
| Zone 11 | — | — | Jan 15 | Mar 16 | Apr 30 |
📚 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.