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When to Plant Honeydew in Carroll County, NH

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.

Carroll County, New Hampshire is in USDA Zone 4b. The average last spring frost is May 9 and the first fall frost is October 6, giving you a growing season of approximately 150 days.

At an elevation of 433 feet, Carroll County receives approximately 41.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 80ยฐF, so choose short-season varieties of Honeydew to ensure they mature before fall.

Carroll County, NH (Zone 4b) Moderate season
150 days
Last Spring Frost May 9
150 growing days
First Fall Frost October 6

Carroll County Soil Profile

Soil Type

Silt Loam

Soil pH

5.2-6.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Transplant: May 29 🍅 Harvest: Aug 21 – Oct 2
Recommended (50%) ✗ May not fit
Transplant: Jun 6 🍅 Harvest: Aug 29 – Oct 10
Safe Start (90%) ✓ Fits season (0 days to spare)
Transplant: Jun 24 🍅 Harvest: Sep 16 – Oct 28

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

Plant needs
1.0″/week
Rainfall provides
1.2″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Honeydew needs ~950 GDD — county provides 1,500 GDD Excellent fit

Honeydew Planting Timeline โ€” Carroll County, NH

Honeydew Planting Calendar

Activity When Date Range
Transplant Outdoors June 6 Jun 6 โ€“ Jun 20
Harvest August 29 Aug 29 โ€“ Oct 10

Plant 1" deep ยท 30" apart ยท Rows 42" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April โ€”
May โ€”
June Transplant Outdoors
July โ€”
August Harvest
September Harvest
October Harvest
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

80โ€“110 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 4b

Growing Season

150 days

Growing Tips for Carroll 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

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Honeydew in Carroll County, NH?

Carroll County is in Zone 4b with an average last frost of May 9. Plan your Honeydew planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Carroll County, NH?

Carroll County, New Hampshire is in USDA Hardiness Zone 4b. The average last spring frost is May 9 and first fall frost is October 6.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Carroll 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.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Carroll County, NH. Local conditions may vary. Last updated: April 2026.