When should I plant Purple Kohlrabi in Zone 1b?

Start Purple Kohlrabi seeds indoors around Apr 13. Transplant outdoors after May 4. Expect first harvest around Jun 13.

What is the last frost date for Zone 1b?

The average last spring frost date for Zone 1b is May 25. The first fall frost averages Aug 28, giving a 95-day growing season.

Can I grow Purple Kohlrabi in Zone 1b?

Yes. Purple Kohlrabi needs 55 days to harvest. Zone 1b has a 95-day growing season, which is sufficient. You can plant up to 1 successions.

Growing Purple Kohlrabi in Zone 1b

Zone 1b has harsh winters and a short growing season. Start Purple Kohlrabi early indoors to maximize your harvest window. น้ำค้างแข็งครั้งสุดท้าย: May 25. น้ำค้างแข็งครั้งแรก: Aug 28.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 13Aug 28

Season: May 25 – Aug 28 (95 วัน) · Succession: plant every 3 weeks (up to 1x)

โซน1b

น้ำค้างแข็งครั้งสุดท้ายMay 25

น้ำค้างแข็งครั้งแรกAug 28

ฤดูกาล95 วัน

เก็บเกี่ยว55 วัน

แสงแดดแดดเต็มที่

When to Plant Purple Kohlrabi in Zone 1b

Start Seeds Indoors: Apr 13

Start Purple Kohlrabi seeds indoors around Apr 13 (6 สัปดาห์ก่อนน้ำค้างแข็งครั้งสุดท้าย). Optimal germination temperature: 65F. Germinates in 5-10 days.

Transplant Outdoors: May 4

Transplant Purple Kohlrabi seedlings outdoors after May 4. Wait until soil temperature reaches 45F. Space plants at 4/ตร.ม. (15cm ห่างกัน). Harden off plants for a week before moving outside.

Harvest: Jun 13

First harvest approximately Jun 13 (~40 วัน from transplant). Continue harvesting until first frost (Aug 28).

Fall Planting: Jul 3

For a fall harvest, plant Purple Kohlrabi around Jul 3 (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

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

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