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When to plant Melon in Mohave County County,

In Mohave County County, plant Melon in spring between April 5 and April 26, once soil temps hold above 50°F. Mohave County County's last frost averages April 5, so aim for a steady week of warm soil before planting. For a fall crop, sow between and — roughly 100 days before the first frost on November 8.

When to Plant Melon in Mohave County, AZ

Mohave County, Arizona Zone 9b June

Your June gardening checklist

Your Mohave County, Arizona garden is entering a new phase. Here's what's on the schedule for June and why each task matters now.

Avg. last frost April 5
Avg. first frost November 8
Soil temp (4") 72°F
Watering Critical
Pest pressure High
Daylight 14.4 hrs
  1. Collect melon at their peak

    If you can't use it all right away, check the food-preservation section of your planner.

Looking ahead to July
  • First harvests: melon

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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.

Mohave County, Arizona is in USDA Zone 9b. The average last spring frost is April 5 and the first fall frost is November 8, giving you a growing season of approximately 217 days.

At an elevation of 3,748 feet, Mohave County receives approximately 8.2 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 96°F, so Melon may need afternoon shade and extra watering during peak heat. 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.

Mohave County, AZ (Zone 9b) Long season
217 days
Last Spring Frost April 5
217 growing days
First Fall Frost November 8

Mohave County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.2-8.4

Drainage

Well Drained

Melon Planting Risk Windows

Early Start (70% safe) ✓ Fits season (100 days to spare)
Start indoors: Feb 23 Transplant: Mar 30 🍅 Harvest: Jun 8 – Jul 27
Recommended (50%) ✓ Fits season (91 days to spare)
Start indoors: Mar 8 Transplant: Apr 12 🍅 Harvest: Jun 21 – Aug 9
Safe Start (90%) ✓ Fits season (92 days to spare)
Start indoors: Mar 20 Transplant: Apr 24 🍅 Harvest: Jul 3 – Aug 21

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.

Soil Compatibility in Mohave County

How your county's soil matches Melon's growing requirements.

Soil pH

Your soil pH (7.2–8.4) is more alkaline than Melon prefers (6.0–7.0). Add sulfur or peat moss to lower pH.

Soil Texture

Sandy soil in Mohave County warms quickly in spring but drains fast. Melon will need more frequent watering and regular compost additions to retain nutrients.

Drainage

Drainage is adequate for Melon.

Organic Matter

Organic matter is low (0.8%). Add 2-3 inches of compost before planting Melon.

How to Plant Melon

1"
Planting Depth
30"
Between Plants
42"
Between Rows

Succession Planting Melon

3
successive plantings in your 217-day season

Sow every 8 weeks. Last sowing by Jul 31 to harvest before frost.

Melon Water Budget

Plant needs
1.0″/week
Rainfall provides
0.2″/week
You supply
1.4″/week
Watering frequency 2-3 times/week
Season total 2,645 gal / 100 sq ft
Drought risk

Water stress score is 10/10 — consider drought-tolerant varieties and mulching

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 0.6" 0" ❄️ Dormant
Feb 0.4" 0" ❄️ Dormant
Mar 0.4" 0" ❄️ Dormant
Apr 4.3" 0.3" 4" 🚿 Regular watering
May 4.3" 0.2" 4.1" 🚿 Regular watering
Jun 4.3" 0.3" 4" 🚿 Regular watering
Jul 4.3" 1.5" 2.8" 🚿 Regular watering
Aug 4.3" 1.6" 2.7" 🚿 Regular watering
Sep 4.3" 1" 3.3" 🚿 Regular watering
Oct 4.3" 0.8" 3.5" 🚿 Regular watering
Nov 4.3" 0.4" 3.9" 🚿 Regular watering
Dec 0.6" 0" ❄️ Dormant

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

Melon Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Melon needs ~1,870 GDD — county provides 4,774 GDD Excellent fit

Melon Planting Timeline — Mohave County, AZ

Melon Planting Calendar

Activity When Date Range
Start Indoors March 8 Mar 8 – Mar 22
Transplant Outdoors April 12 Apr 12 – Apr 26
Direct Sow April 5 Apr 5 – Apr 26
Harvest June 21 Jun 21 – Aug 9

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · 2-3 times/week

📅 Days to Maturity

70–100 days

🧪 Soil pH

Needs 6–7 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 9b

📆 Growing Season

217 days in Mohave County

Growing Tips for Melon in Mohave County

Direct sow Melon outdoors after April 05 in Mohave County when soil has warmed and frost danger has passed.

Sandy soil in Mohave County dries quickly — mulch Melon with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

With summer highs reaching 96°F in Mohave County, provide afternoon shade for Melon and water deeply in the morning.

Common pests for Melon in this region include squash vine borer and cucumber beetles. Use row covers early in the season and inspect plants weekly.

Mohave County receives only 8" of rain annually. Melon needs consistent moisture — install drip irrigation or water deeply 2-3 times per week.

General growing tips

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 Mohave County, AZ?

Mohave County is in Zone 9b with an average last frost of April 5. Plan your Melon planting based on this frost date — see the calendar above for exact timing.

What planting zone is Mohave County, AZ?

Mohave County, Arizona is in USDA Hardiness Zone 9b. The average last spring frost is April 5 and first fall frost is November 8.

When should I plant Melon in Mohave County, ?

In Mohave County, , plant Melon after the last frost (around April 5) and before the first frost (around November 8). Best results when soil holds above 50°F.

What growing zone is Mohave County, for Melon?

Mohave County sits in USDA Zone 9b. Melon grows reliably in zones 4a through 11b, so it's a good fit here.

Can Melon grow in Mohave County's climate?

Yes — Melon grows well in Mohave County's temperate climate. Mohave County averages a 217-day frost-free season, with last frost around April 5 and first frost around November 8.

🌱

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A 22-page printable planner built for Mohave County (Zone 9b). 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 Mohave County, AZ. Local conditions may vary. Last updated: June 2026.

Sources & credits

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