When should I plant Watermeloen in Zone 9a?

Start Watermeloen seeds indoors around Feb 20. Transplant outdoors after Apr 3. Expect first harvest around Jun 17.

What is the last frost date for Zone 9a?

The average last spring frost date for Zone 9a is Mar 20. The first fall frost averages Nov 12, giving a 237-day growing season.

Can I grow Watermeloen in Zone 9a?

Yes. Watermeloen needs 90 days to harvest. Zone 9a has a 237-day growing season, which is sufficient.

🍉

🍉 Kweken van Watermeloen in Zone 9a

Zone 9a has warm winters and an extended growing season -- excellent for heat-loving crops like Watermeloen. Laatste vorst: Mar 20. Eerste vorst: Nov 12.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 20Nov 12

Season: Mar 20 – Nov 12 (237 dagen)

Zone9a

Laatste vorstMar 20

Eerste vorstNov 12

Seizoen237 dagen

Oogst90 dagen

ZonVolle Zon

When to Plant Watermeloen in Zone 9a

Start Seeds Indoors: Feb 20

Start Watermeloen seeds indoors around Feb 20 (4 weken voor de laatste vorst). Optimal germination temperature: 85F. Germinates in 4-12 days.

Transplant Outdoors: Apr 3

Transplant Watermeloen seedlings outdoors after Apr 3. Wait until soil temperature reaches 70F. Space plants at 1/m² (30cm afstand). Harden off plants for a week before moving outside.

Harvest: Jun 17

First harvest approximately Jun 17 (~75 dagen from transplant). Continue harvesting until first frost (Nov 12).

Begeleidende Beplanting

✅ Maïs✅ Oost-Indische Kersen✅ Goudsbloemen✅ Radijzen

❌ Aardappels❌ Komkommers

Watermeloen in Andere Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Plan Je Tuin voor Watermeloen

Track Watermeloen from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Watermeloen Growing Guide