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When to Plant Honeydew in Teton County, ID

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.

Teton County, Idaho is in USDA Zone 4b. The average last spring frost is May 31 and the first fall frost is September 11, giving you a growing season of approximately 103 days.

At an elevation of 6,709 feet, Teton County receives approximately 15.1 inches of rainfall annually with predominantly loam soil. Summer highs average 83ยฐF, so choose short-season varieties of Honeydew to ensure they mature before fall. With low rainfall, drip irrigation is essential for growing Honeydew successfully. Mulch heavily to conserve soil moisture.

Teton County, ID (Zone 4b) Short season
103 days
Last Spring Frost May 31
103 growing days
First Fall Frost September 11

Teton County Soil Profile

Soil Type

Loam

Soil pH

6.5-8.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Transplant: Jun 18 🍅 Harvest: Sep 10 – Oct 22
Recommended (50%) ✗ May not fit
Transplant: Jun 28 🍅 Harvest: Sep 20 – Nov 1
Safe Start (90%) ✗ May not fit
Transplant: Jul 19 🍅 Harvest: Oct 11 – Nov 22

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
0.6″/week
You supply
0.5″/week
Watering frequency 1-2 times/week
Season total 423 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Honeydew needs ~1,164 GDD — county provides 1,261 GDD Good fit

Honeydew Planting Timeline โ€” Teton County, ID

Honeydew Planting Calendar

Activity When Date Range
Transplant Outdoors June 28 Jun 28 โ€“ Jul 12
Harvest September 20 Sep 20 โ€“ Nov 1

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 Transplant Outdoors
August โ€”
September Harvest
October Harvest
November Harvest
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

103 days

Growing Tips for Teton 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 Teton County, ID?

Teton County is in Zone 4b with an average last frost of May 31. Plan your Honeydew planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Teton County, ID?

Teton County, Idaho is in USDA Hardiness Zone 4b. The average last spring frost is May 31 and first fall frost is September 11.

๐ŸŒฑ

Plan Your Garden with Confidence

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