When to plant Acorn Squash in DeWitt County, IL
DeWitt County's climate puts the Acorn Squash spring window between April 22 and May 13. time plantings around the expected last-frost window for best survival.
When to Plant Acorn Squash in DeWitt County, IL
Acorn squash is a small winter squash with dark green, ribbed skin and mildly sweet orange flesh. It is perfect for stuffing and roasting as individual servings.
DeWitt County, Illinois is in USDA Zone 6a. The average last spring frost is April 15 and the first fall frost is October 17, giving you a growing season of approximately 185 days.
At an elevation of 801 feet, DeWitt County receives approximately 31.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Acorn Squash to ensure they mature before fall.
DeWitt County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Acorn Squash Planting Timeline — DeWitt County, IL
Acorn Squash Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 11 | Mar 11 – Mar 25 |
| Transplant Outdoors | April 29 | Apr 29 – May 13 |
| Direct Sow | April 22 | Apr 22 – May 13 |
| Harvest | July 22 | Jul 22 – Aug 26 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Transplant Outdoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
80–100 days
🧪 Soil pH
Needs 5.5–7 · Your soil: N/A
🗺️ USDA Zone
Zone 6a
📆 Growing Season
185 days in DeWitt County
Growing Tips for DeWitt County
Direct sow after last frost. Harvest when the ground spot turns orange and the skin is hard. Acorn squash has a shorter storage life than butternut, lasting about 2 months.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Acorn Squash in Other Locations
Frequently Asked Questions
When should I plant Acorn Squash in DeWitt County, IL?
DeWitt County is in Zone 6a with an average last frost of April 15. Plan your Acorn Squash planting based on this frost date — see the calendar above for exact timing.
What planting zone is DeWitt County, IL?
DeWitt County, Illinois is in USDA Hardiness Zone 6a. The average last spring frost is April 15 and first fall frost is October 17.
When should I plant Acorn Squash in DeWitt County, IL?
In DeWitt County, IL, plant Acorn Squash after the last frost (around April 15) and before the first frost (around October 17). Best results when soil holds above 50°F.
What growing zone is DeWitt County, IL for Acorn Squash?
DeWitt County sits in USDA Zone 6a. Acorn Squash grows reliably in zones 3a through 11b, so it's a good fit here.
Can Acorn Squash grow in DeWitt County's climate?
Yes — Acorn Squash grows well in DeWitt County's temperate climate. DeWitt County averages a 185-day frost-free season, with last frost around April 15 and first frost around October 17.
Your DeWitt County Garden Planner — Free
A 22-page printable planner built for DeWitt County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.