When should I plant Watermeloen in Zone 9b?

Start Watermeloen seeds indoors around Feb 10. Transplant outdoors after Mar 24. Expect first harvest around Jun 7.

What is the last frost date for Zone 9b?

The average last spring frost date for Zone 9b is Mar 10. The first fall frost averages Nov 15, giving a 250-day growing season.

Can I grow Watermeloen in Zone 9b?

Yes. Watermeloen needs 90 days to harvest. Zone 9b has a 250-day growing season, which is sufficient.

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🍉 Kweken van Watermeloen in Zone 9b

Zone 9b has warm winters and an extended growing season -- excellent for heat-loving crops like Watermeloen. Laatste vorst: Mar 10. Eerste vorst: Nov 15.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 10Nov 15

Season: Mar 10 – Nov 15 (250 dagen)

Zone9b

Laatste vorstMar 10

Eerste vorstNov 15

Seizoen250 dagen

Oogst90 dagen

ZonVolle Zon

When to Plant Watermeloen in Zone 9b

Start Seeds Indoors: Feb 10

Start Watermeloen seeds indoors around Feb 10 (4 weken voor de laatste vorst). Optimal germination temperature: 85F. Germinates in 4-12 days.

Transplant Outdoors: Mar 24

Transplant Watermeloen seedlings outdoors after Mar 24. Wait until soil temperature reaches 70F. Space plants at 1/m² (30cm afstand). Harden off plants for a week before moving outside.

Harvest: Jun 7

First harvest approximately Jun 7 (~75 dagen from transplant). Continue harvesting until first frost (Nov 15).

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