When should I plant Selderij in Zone 9a?

Start Selderij seeds indoors around Jan 9. Transplant outdoors after Mar 20. Expect first harvest around Jun 13.

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 Selderij in Zone 9a?

Yes. Selderij needs 100 days to harvest. Zone 9a has a 237-day growing season, which is sufficient.

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🌿 Kweken van Selderij in Zone 9a

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

Planting Calendar

Indoor

Outdoor

Harvest

Jan 9Nov 12

Season: Mar 20 – Nov 12 (237 dagen)

Zone9a

Laatste vorstMar 20

Eerste vorstNov 12

Seizoen237 dagen

Oogst100 dagen

ZonVolle Zon

When to Plant Selderij in Zone 9a

Start Seeds Indoors: Jan 9

Start Selderij seeds indoors around Jan 9 (10 weken voor de laatste vorst). Optimal germination temperature: 70F. Germinates in 14-21 days.

Transplant Outdoors: Mar 20

Transplant Selderij seedlings outdoors after Mar 20. Wait until soil temperature reaches 50F. Space plants at 4/m² (15cm afstand). Harden off plants for a week before moving outside.

Harvest: Jun 13

First harvest approximately Jun 13 (~85 dagen from transplant). Continue harvesting until first frost (Nov 12).

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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