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When to Plant Winter Melon in Johnson County, AR

Winter melon (wax gourd) is a large Asian squash with a waxy white coating that allows long storage. The mild flesh is used in soups and stir-fries.

Johnson County, Arkansas is in USDA Zone 7a. The average last spring frost is March 26 and the first fall frost is November 3, giving you a growing season of approximately 222 days.

At an elevation of 1,347 feet, Johnson County receives approximately 49.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91Β°F, providing good warmth for Winter Melon during the growing season.

Johnson County, AR (Zone 7a) Long season
222 days
Last Spring Frost March 26
222 growing days
First Fall Frost November 3

Johnson County Soil Profile

Soil Type

Silt Loam

Soil pH

5.3-7

Drainage

Well Drained

Monthly Watering Guide for Winter Melon

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

Month Winter Melon Needs Rainfall You Supplement Action
Jan β€” 3.8" 0" ❄️ Dormant
Feb β€” 3.8" 0" ❄️ Dormant
Mar 4.3" 4.7" 0" βœ… Rainfall sufficient
Apr 4.3" 3.6" 0.7" πŸ’§ Light watering
May 4.3" 4.1" 0.2" πŸ’§ Light watering
Jun 4.3" 5" 0" βœ… Rainfall sufficient
Jul 4.3" 4.6" 0" βœ… Rainfall sufficient
Aug 4.3" 4.3" 0" βœ… Rainfall sufficient
Sep 4.3" 4.1" 0.2" πŸ’§ Light watering
Oct 4.3" 3.7" 0.6" πŸ’§ Light watering
Nov 4.3" 4.2" 0.1" πŸ’§ Light watering
Dec β€” 3.9" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Johnson County). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Winter Melon Planting Timeline β€” Johnson County, AR

Winter Melon Planting Calendar

Activity When Date Range
Start Indoors February 5 Feb 5 – Feb 19
Transplant Outdoors April 9 Apr 9 – Apr 23
Direct Sow April 2 Apr 2 – Apr 23
Harvest July 9 Jul 9 – Aug 27

Plant 1" deep Β· 30" apart Β· Rows 42" apart

Month-by-Month Timeline

MonthActivities
January β€”
February Start Indoors
March β€”
April Transplant Outdoors Direct Sow
May β€”
June β€”
July Harvest
August Harvest
September β€”
October β€”
November β€”
December β€”

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

90–120 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 7a

πŸ“† Growing Season

222 days in Johnson County

Growing Tips for Johnson County

Start seeds indoors 3-4 weeks early. Provide ample space for sprawling vines. Harvest when the waxy coating develops on the rind. Fruits can weigh 15-30 pounds.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Winter Melon in Johnson County, AR?

Johnson County is in Zone 7a with an average last frost of March 26. Plan your Winter Melon planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Johnson County, AR?

Johnson County, Arkansas is in USDA Hardiness Zone 7a. The average last spring frost is March 26 and first fall frost is November 3.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Johnson County gardeners in Zone 7a 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 Johnson County, AR. Local conditions may vary. Last updated: April 2026.