When should I plant Bok Choy in Zone 4a?

Start Bok Choy seeds indoors around 4월 7일. Transplant outdoors after 4월 21일. Expect first harvest around 5월 26일.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is 5월 5일. The first fall frost averages 10월 1일, giving a 149-day growing season.

Can I grow Bok Choy in Zone 4a?

Yes. Bok Choy needs 45 days to harvest. Zone 4a has a 149-day growing season, which is sufficient. You can plant up to 7 successions.

재배 Bok Choy 존 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for Bok Choy in this zone. 마지막 서리: 5월 5일. 첫 서리: 10월 1일.

Planting Calendar

Indoor

Outdoor

Harvest

4월 7일10월 1일

Season: 5월 5일 – 10월 1일 (149 일) · Succession: plant every 2 weeks (up to 7x)

구역4a

마지막 서리5월 5일

첫 서리10월 1일

시즌149 일

수확45 일

일조반일조

When to Plant Bok Choy in Zone 4a

Start Seeds Indoors: 4월 7일

Start Bok Choy seeds indoors around 4월 7일 (4 주 전 (마지막 서리)). Optimal germination temperature: 65F. Germinates in 4-8 days.

Transplant Outdoors: 4월 21일

Transplant Bok Choy seedlings outdoors after 4월 21일. Wait until soil temperature reaches 45F. Space plants at 4/m² (15cm 간격). Harden off plants for a week before moving outside.

Harvest: 5월 26일

First harvest approximately 5월 26일 (~35 일 from transplant). Continue harvesting until first frost (10월 1일).

Fall Planting: 8월 13일

For a fall harvest, plant Bok Choy around 8월 13일 (7 weeks before first frost).

동반 식물

✅ 당근✅ 비트✅ 딜✅ 양파✅ 콩

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Bok Choy 다른 존

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

정원 계획 Bok Choy

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

Start Free Bok Choy Growing Guide