When to plant Winter Melon in Carroll County, IA
Plant Winter Melon in Carroll County, when soil hits 50°F — usually May 4. Continue planting through May 25 for the spring crop.
When to Plant Winter Melon in Carroll County, IA
Winter melon (wax gourd) is a large Asian squash with a waxy white coating that allows long storage. The mild flesh is used in soups and stir-fries.
Carroll County, Iowa is in USDA Zone 5a. The average last spring frost is April 27 and the first fall frost is October 5, giving you a growing season of approximately 161 days.
At an elevation of 751 feet, Carroll County receives approximately 38.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Winter Melon during the growing season.
Carroll County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Winter Melon Planting Timeline — Carroll County, IA
Winter Melon Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 2 | Mar 2 – Mar 16 |
| Transplant Outdoors | May 11 | May 11 – May 25 |
| Direct Sow | May 4 | May 4 – May 25 |
| Harvest | August 10 | Aug 10 – Sep 28 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | — |
| 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
90–120 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 5a
📆 Growing Season
161 days in Carroll County
Growing Tips for Carroll County
Start seeds indoors 3-4 weeks early. Provide ample space for sprawling vines. Harvest when the waxy coating develops on the rind. Fruits can weigh 15-30 pounds.
Companion Planting
Good Companions
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Winter Melon in Other Locations
Frequently Asked Questions
When should I plant Winter Melon in Carroll County, IA?
Carroll County is in Zone 5a with an average last frost of April 27. Plan your Winter Melon planting based on this frost date — see the calendar above for exact timing.
What planting zone is Carroll County, IA?
Carroll County, Iowa is in USDA Hardiness Zone 5a. The average last spring frost is April 27 and first fall frost is October 5.
When should I plant Winter Melon in Carroll County, IA?
In Carroll County, IA, plant Winter Melon after the last frost (around April 27) and before the first frost (around October 5). Best results when soil holds above 50°F.
What growing zone is Carroll County, IA for Winter Melon?
Carroll County sits in USDA Zone 5a. Winter Melon grows reliably in zones 5a through 11b, so it's a good fit here.
Can Winter Melon grow in Carroll County's climate?
Yes — Winter Melon grows well in Carroll County's temperate climate. Carroll County averages a 161-day frost-free season, with last frost around April 27 and first frost around October 5.
Your Carroll County Garden Planner — Free
A 22-page printable planner built for Carroll County (Zone 5a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.