When should I plant Sla in Zone 9b?

Start Sla seeds indoors around Jan 27. Transplant outdoors after Feb 17. Expect first harvest around Mar 24.

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 Sla in Zone 9b?

Yes. Sla needs 45 days to harvest. Zone 9b has a 250-day growing season, which is sufficient. You can plant up to 14 successions.

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🥬 Kweken van Sla in Zone 9b

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

Planting Calendar

Indoor

Outdoor

Harvest

Jan 27Nov 15

Season: Mar 10 – Nov 15 (250 dagen) · Succession: plant every 2 weeks (up to 14x)

Zone9b

Laatste vorstMar 10

Eerste vorstNov 15

Seizoen250 dagen

Oogst45 dagen

ZonHalfschaduw

When to Plant Sla in Zone 9b

Start Seeds Indoors: Jan 27

Start Sla seeds indoors around Jan 27 (6 weken voor de laatste vorst). Optimal germination temperature: 65F. Germinates in 4-10 days.

Transplant Outdoors: Feb 17

Transplant Sla seedlings outdoors after Feb 17. Wait until soil temperature reaches 40F. Space plants at 4/m² (15cm afstand). Harden off plants for a week before moving outside.

Harvest: Mar 24

First harvest approximately Mar 24 (~35 dagen from transplant). Continue harvesting until first frost (Nov 15).

Fall Planting: Sep 20

For a fall harvest, plant Sla around Sep 20 (8 weeks before first frost).

Begeleidende Beplanting

✅ Aardbeien✅ Wortels✅ Rode Bieten✅ Komkommers✅ Radijzen

Sla 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 Sla

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

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