When to Plant Butternut Squash in Calhoun County, AR
Butternut squash is a popular winter squash with a long neck, small seed cavity, and sweet, nutty orange flesh. It stores exceptionally well for months.
Calhoun County, Arkansas is in USDA Zone 8a. The average last spring frost is March 22 and the first fall frost is November 4, giving you a growing season of approximately 227 days.
At an elevation of 1,246 feet, Calhoun County receives approximately 52.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 94°F, providing good warmth for Butternut Squash during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Butternut Squash root diseases.
Calhoun County Soil Profile
Soil Type
Silt Loam
Soil pH
5.3-6.9
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
Butternut Squash Planting Timeline — Calhoun County, AR
Butternut Squash Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 22 | Feb 22 – Mar 8 |
| Transplant Outdoors | April 5 | Apr 5 – Apr 19 |
| Direct Sow | March 29 | Mar 29 – Apr 19 |
| Harvest | July 5 | Jul 5 – Aug 9 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | — |
| July | Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
85–110 days
Soil pH
6 – 7
USDA Zone
Zone 8a
Growing Season
227 days
Growing Tips for Calhoun County
Start seeds indoors 3 weeks early or direct sow after frost. Allow 6-8 feet for sprawling vines. Harvest when the skin is hard and uniformly tan. Cure in the sun for 10 days.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Butternut Squash in Other Locations
Frequently Asked Questions
When should I plant Butternut Squash in Calhoun County, AR?
Calhoun County is in Zone 8a with an average last frost of March 22. Plan your Butternut Squash planting based on this frost date — see the calendar above for exact timing.
What planting zone is Calhoun County, AR?
Calhoun County, Arkansas is in USDA Hardiness Zone 8a. The average last spring frost is March 22 and first fall frost is November 4.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Calhoun County gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.
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