When to Plant Honeydew in Butler County, IA
Honeydew melons have smooth, pale green rinds and sweet, light green flesh. They require a long, warm growing season and are slightly more heat-tolerant than cantaloupe.
Butler County, Iowa is in USDA Zone 4b. The average last spring frost is April 30 and the first fall frost is October 7, giving you a growing season of approximately 160 days.
At an elevation of 677 feet, Butler County receives approximately 39 inches of rainfall annually with predominantly silt loam soil. Summer highs average 82°F, so choose short-season varieties of Honeydew to ensure they mature before fall.
Butler County Soil Profile
Soil Type
Silt Loam
Soil pH
5.8-7.2
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
Honeydew Planting Timeline — Butler County, IA
Honeydew Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 28 | May 28 – Jun 11 |
| Harvest | August 20 | Aug 20 – Oct 1 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| June | Transplant Outdoors |
| July | — |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
80–110 days
Soil pH
6 – 7
USDA Zone
Zone 4b
Growing Season
160 days
Growing Tips for Butler County
Start seeds indoors 4 weeks before transplanting. Plant on raised mounds of rich soil. Harvest when the blossom end gives slightly when pressed and the skin turns creamy yellow.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Honeydew in Other Locations
Frequently Asked Questions
When should I plant Honeydew in Butler County, IA?
Butler County is in Zone 4b with an average last frost of April 30. Plan your Honeydew planting based on this frost date — see the calendar above for exact timing.
What planting zone is Butler County, IA?
Butler County, Iowa is in USDA Hardiness Zone 4b. The average last spring frost is April 30 and first fall frost is October 7.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Butler County gardeners in Zone 4b organize planting dates, track what's growing, and never miss a planting window.
Get Your Free Garden Planner →Free download. Plan your entire garden season in minutes.