When should I plant Ui in Zone 7b?

Start Ui seeds indoors around Jan 30. Transplant outdoors after Mar 13. Expect first harvest around Jun 1.

What is the last frost date for Zone 7b?

The average last spring frost date for Zone 7b is Apr 10. The first fall frost averages Nov 7, giving a 211-day growing season.

Can I grow Ui in Zone 7b?

Yes. Ui needs 110 days to harvest. Zone 7b has a 211-day growing season, which is sufficient.

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🧅 Kweken van Ui in Zone 7b

Zone 7b has mild winters and a long growing season -- good conditions for Ui. Laatste vorst: Apr 10. Eerste vorst: Nov 7.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 30Nov 7

Season: Apr 10 – Nov 7 (211 dagen)

Zone7b

Laatste vorstApr 10

Eerste vorstNov 7

Seizoen211 dagen

Oogst110 dagen

ZonVolle Zon

When to Plant Ui in Zone 7b

Start Seeds Indoors: Jan 30

Start Ui seeds indoors around Jan 30 (10 weken voor de laatste vorst). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: Mar 13

Transplant Ui seedlings outdoors after Mar 13. Wait until soil temperature reaches 45F. Space plants at 9/m² (10cm afstand). Harden off plants for a week before moving outside.

Harvest: Jun 1

First harvest approximately Jun 1 (~80 dagen from transplant). Continue harvesting until first frost (Nov 7).

Begeleidende Beplanting

✅ Aardbeien✅ Kool✅ Rode Bieten✅ Sla✅ Wortels✅ Tomaten

❌ Bonen❌ Erwten

Ui 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 Ui

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

Start Free Ui Growing Guide