When to Plant Squash (Summer) in Humphreys County, MS
Summer squash includes zucchini, yellow crookneck, and pattypan varieties that are harvested young and tender. They are prolific producers in warm weather.
Humphreys County, Mississippi is in USDA Zone 8a. The average last spring frost is March 6 and the first fall frost is November 18, giving you a growing season of approximately 257 days.
At an elevation of 303 feet, Humphreys County receives approximately 57.8 inches of rainfall annually with predominantly clay loam soil. Summer highs average 93°F, providing good warmth for Squash (Summer) during the growing season. Clay soil retains moisture well for Squash (Summer), but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Squash (Summer) root diseases.
Humphreys County Soil Profile
Soil Type
Clay Loam
Soil pH
5.5-6.8
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 — Humphreys County, MS
Squash (Summer) Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 6 | Feb 6 – Feb 20 |
| Transplant Outdoors | March 20 | Mar 20 – Apr 3 |
| Direct Sow | March 13 | Mar 13 – Apr 3 |
| Harvest | May 8 | May 8 – Jul 10 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Transplant Outdoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | Harvest |
| June | Harvest |
| July | Harvest |
| August | — |
| September | — |
| 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 8a
Growing Season
257 days
Growing Tips for Humphreys County
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
Squash (Summer) in Other Locations
Frequently Asked Questions
When should I plant Squash (Summer) in Humphreys County, MS?
Humphreys County is in Zone 8a with an average last frost of March 6. Plan your Squash (Summer) planting based on this frost date — see the calendar above for exact timing.
What planting zone is Humphreys County, MS?
Humphreys County, Mississippi is in USDA Hardiness Zone 8a. The average last spring frost is March 6 and first fall frost is November 18.
Plan Your Garden with Confidence
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