When to plant Squash (Summer) in Posey County, IN
Plant Squash (Summer) in Posey County from April 15 to May 6 in spring. Posey County sits in USDA Zone 7a, with last frost around April 8 and first frost on October 28.
When to Plant Squash (Summer) in Posey County, IN
Summer squash includes zucchini, yellow crookneck, and pattypan varieties that are harvested young and tender. They are prolific producers in warm weather.
Posey County, Indiana is in USDA Zone 7a. The average last spring frost is April 8 and the first fall frost is October 28, giving you a growing season of approximately 203 days.
At an elevation of 596 feet, Posey County receives approximately 40.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Squash (Summer) during the growing season.
Posey County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Squash (Summer) Planting Timeline — Posey County, IN
Squash (Summer) Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 11 | Mar 11 – Mar 25 |
| Transplant Outdoors | April 22 | Apr 22 – May 6 |
| Direct Sow | April 15 | Apr 15 – May 6 |
| Harvest | June 10 | Jun 10 – Aug 12 |
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 | Harvest |
| July | Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
45–65 days
🧪 Soil pH
Needs 6–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 7a
📆 Growing Season
203 days in Posey County
Growing Tips for Posey 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
Check more plant combinations with our Companion Planting Checker →
Squash (Summer) in Other Locations
Frequently Asked Questions
When should I plant Squash (Summer) in Posey County, IN?
Posey County is in Zone 7a with an average last frost of April 8. Plan your Squash (Summer) planting based on this frost date — see the calendar above for exact timing.
What planting zone is Posey County, IN?
Posey County, Indiana is in USDA Hardiness Zone 7a. The average last spring frost is April 8 and first fall frost is October 28.
When should I plant Squash (Summer) in Posey County, IN?
In Posey County, IN, plant Squash (Summer) after the last frost (around April 8) and before the first frost (around October 28). Best results when soil holds above 50°F.
What growing zone is Posey County, IN for Squash (Summer)?
Posey County sits in USDA Zone 7a. Squash (Summer) grows reliably in zones 3a through 11b, so it's a good fit here.
Can Squash (Summer) grow in Posey County's climate?
Yes — Squash (Summer) grows well in Posey County's temperate climate. Posey County averages a 203-day frost-free season, with last frost around April 8 and first frost around October 28.
Your Posey County Garden Planner — Free
A 22-page printable planner built for Posey County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.