Zone 10 · Melons Growing Guide

When to Plant Honeydew Melon
in Zone 10

The sweetest melon when grown properly — needs the longest heat accumulation of all melons. Ready when the blossom end yields to gentle pressure and smells fragrant.

Plant outdoors
Mar 1 – Apr 15
Start indoors
Direct sow
Last Frost
~Jan 15
Days to harvest
80–100 days
Difficulty
Medium
Growing — Zone 10
Harvest window: Jun – Aug

Planting Calendar

In Zone 10, Honeydew Melon should be planted outdoors Mar 1 – Apr 15, after the average last frost date of approximately Jan 15.

Outstanding melon zone.

Care Guide

Sunlight
Full sun · 8–10 hrs/day
Watering
Moderate
Spacing
36–60 inches
Soil
Sandy loam, well-draining, warm
Days to maturity
80–100 days
Soil pH
6.0–6.5
plant tip · Zone 10

Outstanding melon zone.

Feeding Schedule

How often
every 3 weeks
Feed type
balanced then high potassium
Key timing
switch to high-potassium at flowering

Consistent feeding produces sweeter, larger fruit. Reduce feeding as fruit ripens.

Companion Planting for Honeydew Melon

What you plant next to honeydew melon makes a real difference — some plants actively help, others compete or attract pests.

Grows well with
  • Radishes
  • Nasturtiums
  • Corn
Keep away from
  • Potatoes
  • Cucumbers

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Common questions

In Zone 10, direct sow honeydew melon outdoors Mar 1 – Apr 15 after your last frost date of approximately Jan 15. Outstanding melon zone.
Zone 10 has an average last spring frost of approximately Jan 15 and a first fall frost around Dec 31. These dates vary by specific location — use your ZIP code in the plant app for precision based on the nearest NOAA weather station.
Good companion crops for honeydew melon include Radishes, Nasturtiums, Corn. Avoid planting near Potatoes, Cucumbers, which can compete for nutrients or attract pests.
Honeydew Melon typically takes 80–100 days from transplant or direct sow to harvest in Zone 10. Expected harvest window: Jun – Aug.

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Honeydew Melon in other zones
Crop Guides