Growing Chinese Broccoli in Zone 3a
Zone 3a has harsh winters and a short growing season. Start Chinese Broccoli early indoors to maximize your harvest window. น้ำค้างแข็งครั้งสุดท้าย: May 22. น้ำค้างแข็งครั้งแรก: Sep 12.
Planting Calendar
Season: May 22 – Sep 12 (113 วัน)
When to Plant Chinese Broccoli in Zone 3a
Start Seeds Indoors: Apr 10
Start Chinese Broccoli seeds indoors around Apr 10 (6 สัปดาห์ก่อนน้ำค้างแข็งครั้งสุดท้าย). Optimal germination temperature: 75F. Germinates in 5-10 days.
Transplant Outdoors: Jun 5
Transplant Chinese Broccoli seedlings outdoors after Jun 5. Wait until soil temperature reaches 50F. Space plants at 4/ตร.ม. (15cm ห่างกัน). Harden off plants for a week before moving outside.
Harvest: Aug 4
First harvest approximately Aug 4 (~60 วัน from transplant). Continue harvesting until first frost (Sep 12).
Fall Planting: Jun 20
For a fall harvest, plant Chinese Broccoli around Jun 20 (12 weeks before first frost).
Chinese Broccoli 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 13bPlan Your Garden Chinese Broccoli
Track Chinese Broccoli from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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