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When to Plant Honeydew in Ramsey County, MN

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.

Ramsey County, Minnesota is in USDA Zone 4a. The average last spring frost is April 23 and the first fall frost is October 9, giving you a growing season of approximately 169 days.

At an elevation of 1,059 feet, Ramsey County receives approximately 38.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 82ยฐF, so choose short-season varieties of Honeydew to ensure they mature before fall.

Ramsey County, MN (Zone 4a) Moderate season
169 days
Last Spring Frost April 23
169 growing days
First Fall Frost October 9

Ramsey County Soil Profile

Soil Type

Silt Loam

Soil pH

6.2-7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (16 days to spare)
Transplant: May 15 🍅 Harvest: Aug 7 – Sep 18
Recommended (50%) ✓ Fits season (15 days to spare)
Transplant: May 21 🍅 Harvest: Aug 13 – Sep 24
Safe Start (90%) ✓ Fits season (12 days to spare)
Transplant: Jun 10 🍅 Harvest: Sep 2 – Oct 14

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
1.0″/week
You supply
0.0″/week
Watering frequency Only during dry spells
Season total 61 gal / 100 sq ft
Honeydew needs ~1,092 GDD — county provides 1,943 GDD Excellent fit

Honeydew Planting Timeline โ€” Ramsey County, MN

Honeydew Planting Calendar

Activity When Date Range
Transplant Outdoors May 21 May 21 โ€“ Jun 4
Harvest August 13 Aug 13 โ€“ Sep 24

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 Transplant Outdoors
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 4a

Growing Season

169 days

Growing Tips for Ramsey 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 Ramsey County, MN?

Ramsey County is in Zone 4a with an average last frost of April 23. Plan your Honeydew planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Ramsey County, MN?

Ramsey County, Minnesota is in USDA Hardiness Zone 4a. The average last spring frost is April 23 and first fall frost is October 9.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Ramsey County gardeners in Zone 4a 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 Ramsey County, MN. Local conditions may vary. Last updated: April 2026.