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When to Plant Honeydew in Rockingham 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.

Rockingham County, New Hampshire is in USDA Zone 5b. The average last spring frost is April 26 and the first fall frost is October 17, giving you a growing season of approximately 174 days.

At an elevation of 444 feet, Rockingham County receives approximately 50 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83ยฐF, so choose short-season varieties of Honeydew to ensure they mature before fall.

Rockingham County, NH (Zone 5b) Moderate season
174 days
Last Spring Frost April 26
174 growing days
First Fall Frost October 17

Rockingham County Soil Profile

Soil Type

Silt Loam

Soil pH

5.2-6.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (27 days to spare)
Transplant: May 11 🍅 Harvest: Aug 3 – Sep 14
Recommended (50%) ✓ Fits season (27 days to spare)
Transplant: May 17 🍅 Harvest: Aug 9 – Sep 20
Safe Start (90%) ✓ Fits season (25 days to spare)
Transplant: Jun 3 🍅 Harvest: Aug 26 – Oct 7

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 ~1,164 GDD — county provides 2,131 GDD Excellent fit

Honeydew Planting Timeline โ€” Rockingham County, NH

Honeydew Planting Calendar

Activity When Date Range
Transplant Outdoors May 17 May 17 โ€“ May 31
Harvest August 9 Aug 9 โ€“ Sep 20

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April โ€”
May Transplant Outdoors
June โ€”
July โ€”
August Harvest
September Harvest
October โ€”
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 5b

Growing Season

174 days

Growing Tips for Rockingham 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 Rockingham County, NH?

Rockingham County is in Zone 5b with an average last frost of April 26. Plan your Honeydew planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Rockingham County, NH?

Rockingham County, New Hampshire is in USDA Hardiness Zone 5b. The average last spring frost is April 26 and first fall frost is October 17.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Rockingham County gardeners in Zone 5b organize planting dates, track what's growing, and never miss a planting window.

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