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When to Plant Honeydew in Cache County, UT

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.

Cache County, Utah is in USDA Zone 5b. The average last spring frost is June 11 and the first fall frost is September 2, giving you a growing season of approximately 83 days.

At an elevation of 6,265 feet, Cache County receives approximately 15.5 inches of rainfall annually with predominantly loam soil. Summer highs average 84ยฐF, 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.

Cache County, UT (Zone 5b) Very short season
83 days
Last Spring Frost June 11
83 growing days
First Fall Frost September 2

Cache County Soil Profile

Soil Type

Loam

Soil pH

6.6-8.4

Drainage

Well Drained

Monthly Watering Guide for Honeydew

Honeydew needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Honeydew Needs Rainfall You Supplement Action
Jan โ€” 1.1" 0" โ„๏ธ Dormant
Feb โ€” 0.9" 0" โ„๏ธ Dormant
Mar โ€” 1.3" 0" โ„๏ธ Dormant
Apr โ€” 1.7" 0" โ„๏ธ Dormant
May โ€” 2" 0" โ„๏ธ Dormant
Jun 4.3" 1.1" 3.2" ๐Ÿšฟ Regular watering
Jul 4.3" 1.3" 3" ๐Ÿšฟ Regular watering
Aug 4.3" 1.5" 2.8" ๐Ÿšฟ Regular watering
Sep 4.3" 1.3" 3" ๐Ÿšฟ Regular watering
Oct โ€” 1.4" 0" โ„๏ธ Dormant
Nov โ€” 1.1" 0" โ„๏ธ Dormant
Dec โ€” 0.8" 0" โ„๏ธ Dormant

Water needs are for active growing months only (Junโ€“Sep in Cache County). Supplement amounts are based on average rainfall โ€” actual needs vary with temperature, soil, and mulching.

Honeydew Planting Timeline โ€” Cache County, UT

Honeydew Planting Calendar

Activity When Date Range
Transplant Outdoors July 2 Jul 2 โ€“ Jul 16
Harvest September 24 Sep 24 โ€“ Nov 5

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

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

Moderate โ€” regular watering

๐Ÿ“… Days to Maturity

80โ€“110 days

๐Ÿงช Soil pH

Needs 6โ€“7 ยท Your soil: N/A

๐Ÿ—บ๏ธ USDA Zone

Zone 5b

๐Ÿ“† Growing Season

83 days in Cache County

Growing Tips for Cache 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Honeydew in Cache County, UT?

Cache County is in Zone 5b with an average last frost of June 11. Plan your Honeydew planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Cache County, UT?

Cache County, Utah is in USDA Hardiness Zone 5b. The average last spring frost is June 11 and first fall frost is September 2.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Cache County gardeners in Zone 5b 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 Cache County, UT. Local conditions may vary. Last updated: April 2026.