When should I plant Purple Kohlrabi in Zone 9a?

Start Purple Kohlrabi seeds indoors around Feb 6. Transplant outdoors after Feb 27. Expect first harvest around Apr 8.

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 Purple Kohlrabi in Zone 9a?

Yes. Purple Kohlrabi needs 55 days to harvest. Zone 9a has a 237-day growing season, which is sufficient. You can plant up to 8 successions.

Growing Purple Kohlrabi in Zone 9a

Zone 9a has warm winters and an extended growing season -- excellent for heat-loving crops like Purple Kohlrabi. Son don: Mar 20. İlk don: Nov 12.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 6Nov 12

Season: Mar 20 – Nov 12 (237 gün) · Succession: plant every 3 weeks (up to 8x)

Bölge9a

Son donMar 20

İlk donNov 12

Sezon237 gün

Hasat55 gün

GüneşTam Güneş

When to Plant Purple Kohlrabi in Zone 9a

Start Seeds Indoors: Feb 6

Start Purple Kohlrabi seeds indoors around Feb 6 (6 son dondan önce hafta). Optimal germination temperature: 65F. Germinates in 5-10 days.

Transplant Outdoors: Feb 27

Transplant Purple Kohlrabi seedlings outdoors after Feb 27. Wait until soil temperature reaches 45F. Space plants at 4/m² (15cm aralık). Harden off plants for a week before moving outside.

Harvest: Apr 8

First harvest approximately Apr 8 (~40 gün from transplant). Continue harvesting until first frost (Nov 12).

Fall Planting: Sep 17

For a fall harvest, plant Purple Kohlrabi around Sep 17 (8 weeks before first frost).

Purple Kohlrabi in Other 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 Your Garden Purple Kohlrabi

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

Start Free Purple Kohlrabi Growing Guide