When should I plant Selderij in Zone 9b?

Start Selderij seeds indoors around Dec 30. Transplant outdoors after Mar 10. Expect first harvest around Jun 3.

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 Selderij in Zone 9b?

Yes. Selderij needs 100 days to harvest. Zone 9b has a 250-day growing season, which is sufficient.

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🌿 Kweken van Selderij in Zone 9b

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

Planting Calendar

Indoor

Outdoor

Harvest

Dec 30Nov 15

Season: Mar 10 – Nov 15 (250 dagen)

Zone9b

Laatste vorstMar 10

Eerste vorstNov 15

Seizoen250 dagen

Oogst100 dagen

ZonVolle Zon

When to Plant Selderij in Zone 9b

Start Seeds Indoors: Dec 30

Start Selderij seeds indoors around Dec 30 (10 weken voor de laatste vorst). Optimal germination temperature: 70F. Germinates in 14-21 days.

Transplant Outdoors: Mar 10

Transplant Selderij seedlings outdoors after Mar 10. Wait until soil temperature reaches 50F. Space plants at 4/m² (15cm afstand). Harden off plants for a week before moving outside.

Harvest: Jun 3

First harvest approximately Jun 3 (~85 dagen from transplant). Continue harvesting until first frost (Nov 15).

Begeleidende Beplanting

✅ Tomaten✅ Kool✅ Bonen✅ Prei✅ Bloemkool

❌ Maïs❌ Asterbloemen

Selderij 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 Selderij

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

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