Napa Cabbage (Chinese Cabbage) in Zone 3a & 3b

Brassica rapa subsp. pekinensis

When to plant napa cabbage (chinese cabbage) in zone 3b

Zones 3a and 3b share the same average frost dates in our data, so this page covers both.

Method: Either: Start indoors for an earlier harvest, or direct-sow outside for less fuss. Napa Cabbage (Chinese Cabbage) tolerates either.

Start indoorsMay 2–May 9
Direct sow / transplant outsideMay 30–Jun 6
Estimated harvestJul 26–Aug 2 (~57 days after planting)

Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 1 ft.

Napa Cabbage (Chinese Cabbage)
Photo: Taken by Fanghong via Wikimedia Commons, CC BY 2.5, cropped.

Napa cabbage (also called Chinese cabbage) forms a dense, barrel-shaped head of crinkled, mild-flavored leaves, the classic base for kimchi, and a sweeter, more tender alternative to standard green cabbage.

How napa cabbage (chinese cabbage) fits zone 3's season

Zone 3b's frost-free window runs about 98 days, from May 30 to September 5. Napa Cabbage (Chinese Cabbage) needs about 57 days from sowing to first harvest.

Good companions

No standout companions recorded yet for Napa Cabbage (Chinese Cabbage).

Where to buy napa cabbage seeds

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See it growing

Search YouTube for "growing napa cabbage (chinese cabbage)" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)

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Growing Napa Cabbage (Chinese Cabbage) in USDA zone 3b

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Growing Napa Cabbage (Chinese Cabbage) in USDA zone 3b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.

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