When should I plant Leek in Zone 9a?

Start Leek seeds indoors around Jan 9. Transplant outdoors after Mar 6. Expect first harvest around Jun 4.

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 Leek in Zone 9a?

Yes. Leek needs 120 days to harvest. Zone 9a has a 237-day growing season, which is sufficient.

Kweken van Leek in Zone 9a

Zone 9a has warm winters and an extended growing season -- excellent for heat-loving crops like Leek. 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

Oogst120 dagen

ZonVolle Zon

When to Plant Leek in Zone 9a

Start Seeds Indoors: Jan 9

Start Leek seeds indoors around Jan 9 (10 weken voor de laatste vorst). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: Mar 6

Transplant Leek seedlings outdoors after Mar 6. Wait until soil temperature reaches 45F. Space plants at 4/m² (15cm afstand). Harden off plants for a week before moving outside.

Harvest: Jun 4

First harvest approximately Jun 4 (~90 dagen from transplant). Continue harvesting until first frost (Nov 12). Leek can overwinter in mild climates for continued harvest.

Begeleidende Beplanting

✅ Wortels✅ Uien✅ Selderij

❌ Bonen❌ Erwten

Leek 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 Leek

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

Start Free Leek Growing Guide