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Pak Choi

Brassica rapa chinensis
Edible value8Medicinal value2Other uses1
biennial0.9×0.5 mzone 7–9light shade🍎 Edible

Will it grow where I live?

Pak Choi is hardy to zone 7: lowlands, river valleys and cities across Central Europe are fine, harsher continental or upland sites need winter protection or a container.

Or check it for your location right here:

Winter hardiness by USDA zone, summer warmth by heat sum – the same values the app and the plant finder use.

Profile

Family
Brassicaceae
Habit
biennial
Height
0.9 m
Spread
0.5 m
Growth
very fast
Lifespan
2 years
First yield
after 1 year
Hardiness
zone 7–9
Shade tolerance
light shade
Soil
Sand, Silt, Loam
Soil moisture
semi-dry – moist
pH
5.3 – 8.6
nectar sourcepollen source

Flowering & harvest

J F M A M J J A S O N D
Flowering
Leaf harvest

Times apply to the northern hemisphere in a temperate climate and shift with altitude and cultivar.

Uses

Edible8 of 10
Medicinal2 of 10
Other uses1 of 10

Growing

Pak Choi grows well in full sun to partial shade in fertile, moist, well-drained soil with a pH of 6.0-7.5. Sow seeds 1/4 to 1/2 inch deep in early spring or mid to late summer for fall crops. Space plants 15-20 cm apart or closer for baby leaves. Keep soil consistently moist and fertilize according to soil tests. Row covers help protect from pests and frost. Plants mature in about 60 days.

Frequently asked questions

Pak Choi: how big does it get?

Pak Choi (Brassica rapa chinensis) grows as a biennial and reaches roughly 0.9 m in height when mature, with a spread of about 0.5 m. Growth is very fast.

Pak Choi: what site does it need?

Pak Choi tolerates light shade. Suitable soils are Sand, Silt, Loam. Soil moisture should be in the range semi-dry – moist. The pH may lie between 5.3 and 8.6.

Pak Choi: is it hardy?

Pak Choi is listed as hardy in zone 7–9 and survives normal winters outdoors there.

Pak Choi: will it grow in Central Europe?

Pak Choi is hardy to zone 7: lowlands, river valleys and cities across Central Europe are fine, harsher continental or upland sites need winter protection or a container.

Pak Choi: when does it flower?

In a temperate northern-hemisphere climate it flowers from July to August.

Pak Choi: is it poisonous?

No toxicity is recorded for Pak Choi. With wild plants, never rely on a database alone — only on a confident identification.

Pak Choi: what is it used for?

Rated on a scale up to 10: Edible 8/10, Medicinal 2/10, Other uses 1/10.

Community experience

No first-hand reports for this plant yet.

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