When to plant Squash (Winter) in Porter County, IN
In Zone 6a (Porter County), direct-sow Squash (Winter) between May 2 and May 23 for spring, after the April 25 last-frost mark.
When to Plant Squash (Winter) in Porter County, IN
Winter squash includes butternut, acorn, delicata, and hubbard varieties grown to full maturity with hard rinds for storage. They develop sweet, dense flesh.
Porter County, Indiana is in USDA Zone 6a. The average last spring frost is April 25 and the first fall frost is October 24, giving you a growing season of approximately 182 days.
At an elevation of 691 feet, Porter County receives approximately 35.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Squash (Winter) to ensure they mature before fall.
Porter County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Squash (Winter) Planting Timeline — Porter County, IN
Squash (Winter) Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 21 | Mar 21 – Apr 4 |
| Transplant Outdoors | May 9 | May 9 – May 23 |
| Direct Sow | May 2 | May 2 – May 23 |
| Harvest | August 1 | Aug 1 – Sep 26 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | — |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
80–120 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 6a
📆 Growing Season
182 days in Porter County
Growing Tips for Porter County
Direct sow after last frost on rich mounds. Allow ample space for sprawling vines. Cure harvested fruits in the sun for 10 days before storing in a cool, dry place.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Squash (Winter) in Other Locations
Frequently Asked Questions
When should I plant Squash (Winter) in Porter County, IN?
Porter County is in Zone 6a with an average last frost of April 25. Plan your Squash (Winter) planting based on this frost date — see the calendar above for exact timing.
What planting zone is Porter County, IN?
Porter County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 25 and first fall frost is October 24.
When should I plant Squash (Winter) in Porter County, IN?
In Porter County, IN, plant Squash (Winter) after the last frost (around April 25) and before the first frost (around October 24). Best results when soil holds above 50°F.
What growing zone is Porter County, IN for Squash (Winter)?
Porter County sits in USDA Zone 6a. Squash (Winter) grows reliably in zones 3a through 11b, so it's a good fit here.
Can Squash (Winter) grow in Porter County's climate?
Yes — Squash (Winter) grows well in Porter County's temperate climate. Porter County averages a 182-day frost-free season, with last frost around April 25 and first frost around October 24.
Your Porter County Garden Planner — Free
A 22-page printable planner built for Porter 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.