When should I plant Purple Kohlrabi in Zone 12b?

Start Purple Kohlrabi seeds indoors around Nov 20. Transplant outdoors after Dec 11. Expect first harvest around Jan 20.

What is the last frost date for Zone 12b?

The average last spring frost date for Zone 12b is Jan 1. The first fall frost averages Dec 31, giving a 364-day growing season.

Can I grow Purple Kohlrabi in Zone 12b?

Yes. Purple Kohlrabi needs 55 days to harvest. Zone 12b has a 364-day growing season, which is sufficient. You can plant up to 14 successions.

Growing Purple Kohlrabi in Zone 12b

Zone 12b has a year-round growing season. Purple Kohlrabi can be planted almost any time with proper planning. Fros terakhir: Jan 1. Fros pertama: Dec 31.

Planting Calendar

Indoor

Outdoor

Harvest

Nov 20Dec 31

Season: Jan 1 – Dec 31 (364 hari) · Succession: plant every 3 weeks (up to 14x)

Zon12b

Fros terakhirJan 1

Fros pertamaDec 31

Musim364 hari

Tuaian55 hari

MatahariMatahari Penuh

When to Plant Purple Kohlrabi in Zone 12b

Start Seeds Indoors: Nov 20

Start Purple Kohlrabi seeds indoors around Nov 20 (6 minggu sebelum fros terakhir). Optimal germination temperature: 65F. Germinates in 5-10 days.

Transplant Outdoors: Dec 11

Transplant Purple Kohlrabi seedlings outdoors after Dec 11. Wait until soil temperature reaches 45F. Space plants at 4/m² (15cm jarak). Harden off plants for a week before moving outside.

Harvest: Jan 20

First harvest approximately Jan 20 (~40 hari from transplant). Continue harvesting until first frost (Dec 31).

Fall Planting: Nov 5

For a fall harvest, plant Purple Kohlrabi around Nov 5 (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