When to Plant Cucumber in Zone 3
Cucumis sativus
Last updated: Apr 25, 2026 · Sources: USDA, NOAA, Cooperative ExtensionZone 3 Planting Schedule
Start Indoors
Apr 15
6–8 weeks before transplant
Transplant Out
Jun 1
After last frost (May 15)
Direct Sow
Jun 1
Directly in garden bed
First Harvest
Jul 20
50–70 days after planting
Season Ends
Sep 1
Before first frost (Sep 15)
Quick Facts
Sunlight
☀️ Full Sun
Water Needs
💧💧💧 High
Spacing
36 inches apart
Planting Depth
1.0 inch
Min Soil Temp
60°F
Germination
3–10 days
Days to Maturity
50–70 days
Frost Tolerance
No frost tolerance
Soil pH
6.0–7.0
Difficulty
Easy
Recommended for Zone 3
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Cucumber Schedule — All Zones
| Zone | Start Indoors | Transplant | Direct Sow | Harvest Start | Harvest End |
|---|---|---|---|---|---|
| Zone 3 | Apr 15 | Jun 1 | Jun 1 | Jul 20 | Sep 1 |
| Zone 4 | Apr 10 | May 25 | May 25 | Jul 15 | Sep 15 |
| Zone 5 | Apr 1 | May 15 | May 15 | Jul 5 | Sep 25 |
| Zone 6 | Mar 20 | May 1 | May 1 | Jun 20 | Oct 5 |
| Zone 7 | Mar 10 | Apr 15 | Apr 15 | Jun 10 | Oct 15 |
| Zone 8 | Feb 25 | Apr 1 | Apr 1 | May 25 | Oct 25 |
| Zone 9 | Feb 1 | Mar 15 | Mar 15 | May 10 | Nov 10 |
| Zone 10 | Jan 15 | Mar 1 | Mar 1 | Apr 25 | Nov 25 |
| Zone 11 | — | Feb 1 | Feb 1 | Apr 1 | Dec 15 |
| Zone 12 | — | any | any | year_round | year_round |
| Zone 13 | — | any | any | year_round | year_round |
📚 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.