When to Plant Potato in Zone 9
Solanum tuberosum
Last updated: Apr 25, 2026 · Sources: USDA, NOAA, Cooperative ExtensionZone 9 Planting Schedule
Start Indoors
Feb 7
6–8 weeks before transplant
Transplant Out
Mar 7
After last frost (Feb 28)
Direct Sow
Mar 7
Directly in garden bed
First Harvest
Jun 2
70–120 days after planting
Season Ends
Aug 21
Before first frost (Nov 25)
Quick Facts
Sunlight
☀️ Full Sun
Water Needs
💧💧 Moderate
Spacing
12 inches apart
Planting Depth
4.0 inch
Min Soil Temp
45°F
Germination
14–21 days
Days to Maturity
70–120 days
Frost Tolerance
Light frost tolerance
Soil pH
5.0–6.5
Difficulty
Easy
Recommended for Zone 9
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Tomato Squash
Potato Schedule — All Zones
| Zone | Start Indoors | Transplant | Direct Sow | Harvest Start | Harvest End |
|---|---|---|---|---|---|
| Zone 3 | Apr 24 | May 22 | May 22 | Aug 17 | Sep 12 |
| Zone 4 | Apr 19 | May 17 | May 17 | Aug 12 | Sep 22 |
| Zone 5 | Apr 9 | May 7 | May 7 | Aug 2 | Oct 2 |
| Zone 6 | Mar 25 | Apr 22 | Apr 22 | Jul 18 | Oct 6 |
| Zone 7 | Mar 15 | Apr 12 | Apr 12 | Jul 8 | Sep 26 |
| Zone 8 | Feb 27 | Mar 27 | Mar 27 | Jun 22 | Sep 10 |
| Zone 9 | Feb 7 | Mar 7 | Mar 7 | Jun 2 | Aug 21 |
| Zone 10 | Jan 20 | Feb 17 | Feb 17 | May 15 | Aug 3 |
📚 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.