When to Plant Squash (Summer) in Valdez-Cordova, AK
Summer squash includes zucchini, yellow crookneck, and pattypan varieties that are harvested young and tender. They are prolific producers in warm weather.
Valdez-Cordova, Alaska is in USDA Zone 5b. The average last spring frost is May 12 and the first fall frost is October 5, giving you a growing season of approximately 146 days.
At an elevation of 2,888 feet, Valdez-Cordova receives approximately 38.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 66°F, so choose short-season varieties of Squash (Summer) to ensure they mature before fall.
Valdez-Cordova Soil Profile
Soil Type
Silt Loam
Soil pH
5-6.8
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Squash (Summer) Planting Timeline — Valdez-Cordova, AK
Squash (Summer) Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 7 | Apr 7 – Apr 21 |
| Transplant Outdoors | May 26 | May 26 – Jun 9 |
| Direct Sow | May 19 | May 19 – Jun 9 |
| Harvest | July 14 | Jul 14 – Sep 15 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Start Indoors |
| May | Transplant Outdoors Direct Sow |
| June | Transplant Outdoors Direct Sow |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
45–65 days
Soil pH
6 – 7.5
USDA Zone
Zone 5b
Growing Season
146 days
Growing Tips for Valdez-Cordova
Direct sow after last frost on mounds. Harvest frequently when fruits are 6-8 inches for best texture. Check plants daily as they grow rapidly in summer heat.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
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Frequently Asked Questions
When should I plant Squash (Summer) in Valdez-Cordova, AK?
Valdez-Cordova is in Zone 5b with an average last frost of May 12. Plan your Squash (Summer) planting based on this frost date — see the calendar above for exact timing.
What planting zone is Valdez-Cordova, AK?
Valdez-Cordova, Alaska is in USDA Hardiness Zone 5b. The average last spring frost is May 12 and first fall frost is October 5.
Plan Your Garden with Confidence
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