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When to Plant Melon in Guadalupe County, NM

Melons are warm-season vine crops that produce sweet, juicy fruits in many varieties including muskmelon and honeydew. They need a long, hot growing season.

Guadalupe County, New Mexico is in USDA Zone 7a. The average last spring frost is May 2 and the first fall frost is October 10, giving you a growing season of approximately 161 days.

At an elevation of 4,169 feet, Guadalupe County receives approximately 16 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 88°F, providing good warmth for Melon during the growing season. Sandy soil warms quickly in spring — great for early planting — but Melon will need more frequent watering and organic matter to retain nutrients. With low rainfall, drip irrigation is essential for growing Melon successfully. Mulch heavily to conserve soil moisture.

Guadalupe County, NM (Zone 7a) Moderate season
161 days
Last Spring Frost May 2
161 growing days
First Fall Frost October 10

Guadalupe County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.2-8.8

Drainage

Well Drained

Monthly Watering Guide for Melon

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 Melon Needs Rainfall You Supplement Action
Jan 1.2" 0" ❄️ Dormant
Feb 1" 0" ❄️ Dormant
Mar 1" 0" ❄️ Dormant
Apr 0.6" 0" ❄️ Dormant
May 4.3" 0.3" 4" 🚿 Regular watering
Jun 4.3" 0.5" 3.8" 🚿 Regular watering
Jul 4.3" 2.4" 1.9" 💧 Light watering
Aug 4.3" 3.3" 1" 💧 Light watering
Sep 4.3" 2.1" 2.2" 🚿 Regular watering
Oct 4.3" 1.4" 2.9" 🚿 Regular watering
Nov 1.1" 0" ❄️ Dormant
Dec 1" 0" ❄️ Dormant

Water needs are for active growing months only (May–Oct in Guadalupe County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Melon Planting Timeline — Guadalupe County, NM

Melon Planting Calendar

Activity When Date Range
Start Indoors April 4 Apr 4 – Apr 18
Transplant Outdoors May 16 May 16 – May 30
Direct Sow May 9 May 9 – May 30
Harvest July 25 Jul 25 – Sep 12

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

70–100 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 7a

📆 Growing Season

161 days in Guadalupe County

Growing Tips for Guadalupe County

Start seeds indoors 3-4 weeks before transplanting. Plant on raised mounds of compost-enriched soil. Reduce watering as fruits ripen to concentrate sweetness.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes
  • Cucumber

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Melon in Guadalupe County, NM?

Guadalupe County is in Zone 7a with an average last frost of May 2. Plan your Melon planting based on this frost date — see the calendar above for exact timing.

What planting zone is Guadalupe County, NM?

Guadalupe County, New Mexico is in USDA Hardiness Zone 7a. The average last spring frost is May 2 and first fall frost is October 10.

🌱

Your Guadalupe County Garden Planner — Free

A 22-page printable planner built for Guadalupe County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Guadalupe County, NM. Local conditions may vary. Last updated: July 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.