Sla illustration 🥬

🥬 Kweken van Sla in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Sla early indoors to maximize your harvest window. Laatste vorst: May 22. Eerste vorst: Sep 12.

Planting Calendar

Indoor
Outdoor
Harvest
Apr 10Sep 12

Season: May 22 – Sep 12 (113 dagen) · Succession: plant every 2 weeks (up to 4x)

Zone3a
Laatste vorstMay 22
Eerste vorstSep 12
Seizoen113 dagen
Oogst45 dagen
ZonHalfschaduw

When to Plant Sla in Zone 3a

Start Seeds Indoors: Apr 10

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

Transplant Outdoors: May 1

Transplant Sla seedlings outdoors after May 1. Wait until soil temperature reaches 40F. Space plants at 4/m² (15cm afstand). Harden off plants for a week before moving outside.

Harvest: Jun 5

First harvest approximately Jun 5 (~35 dagen from transplant). Continue harvesting until first frost (Sep 12).

Fall Planting: Jul 18

For a fall harvest, plant Sla around Jul 18 (8 weeks before first frost).

Begeleidende Beplanting

✅ Aardbeien✅ Wortels✅ Rode Bieten✅ Komkommers✅ Radijzen

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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