When should I plant Ui in Zone 8a?

Start Ui seeds indoors around Jan 25. Transplant outdoors after Mar 8. Expect first harvest around May 27.

What is the last frost date for Zone 8a?

The average last spring frost date for Zone 8a is Apr 5. The first fall frost averages Oct 28, giving a 206-day growing season.

Can I grow Ui in Zone 8a?

Yes. Ui needs 110 days to harvest. Zone 8a has a 206-day growing season, which is sufficient.

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🧅 Kweken van Ui in Zone 8a

Zone 8a has warm winters and an extended growing season -- excellent for heat-loving crops like Ui. Laatste vorst: Apr 5. Eerste vorst: Oct 28.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 25Oct 28

Season: Apr 5 – Oct 28 (206 dagen)

Zone8a

Laatste vorstApr 5

Eerste vorstOct 28

Seizoen206 dagen

Oogst110 dagen

ZonVolle Zon

When to Plant Ui in Zone 8a

Start Seeds Indoors: Jan 25

Start Ui seeds indoors around Jan 25 (10 weken voor de laatste vorst). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: Mar 8

Transplant Ui seedlings outdoors after Mar 8. Wait until soil temperature reaches 45F. Space plants at 9/m² (10cm afstand). Harden off plants for a week before moving outside.

Harvest: May 27

First harvest approximately May 27 (~80 dagen from transplant). Continue harvesting until first frost (Oct 28).

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