Growing Watermelon in Zone 10
When to plant and harvest watermelon in Zone 10— based on your zone's frost dates.
Zone 10 sits comfortably within watermelon's best range (Zones 4–11), so it grows well here on a standard schedule.
Watermelon planting calendar for Zone 10
These months are derived from Zone 10's frost dates — last frost around Rare or none, first frost around Rare — December to January in coldest years.
Start indoors
January
Sow outdoors
February
Transplant
February
Harvest
May
Free planting calendar
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Watermelon care at a glance
- Sunlight
- Full sun (8+ hours)
- Water
- 1–2 inches per week; reduce as fruit ripens for sweetness
- Spacing
- 24–36 in apart, hills 4–6 ft apart
- Days to maturity
- 70–100 days from transplant
- Best zones
- 4–11 (warm-season annual; easiest in 7+)
Growing watermelon in Zone 10: FAQs
Can you grow watermelon in Zone 10?＋
Zone 10 sits comfortably within watermelon's best range (Zones 4–11), so it grows well here on a standard schedule.
When should I plant watermelon in Zone 10?＋
In Zone 10, start seeds indoors around January. Zone 10's last spring frost is typically Rare or none and its first fall frost around Rare — December to January in coldest years, which sets the planting window.
When to harvest watermelon in Zone 10?＋
Expect to harvest watermelon in Zone 10 around May, depending on the season and variety.
Full Watermelon guide →
Complete care, problems, companions, and harvest tips.
Zone 10 overview →
Frost dates, climate, and everything to grow here.
October in Zone 10 →
What to sow, transplant, and harvest this month.