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When to Plant Choy Sum in Zone 10

In USDA zone 10, plant outdoors January 16 to March 2, and expect your first harvest around March 2. Zone 10 also has a fall planting window opening around November 4.

Choy Sum planting calendar for USDA Zone 10

spring planting

🌿

Direct sow

Jan 16

🌾

Projected first harvest

Mar 2

fall planting

🌿

Direct sow

Nov 4

🌾

Projected first harvest

Dec 19

J
F
M
A
M
J
J
A
S
O
N
D

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 10a — approximate

Choy Sum is ready to harvest in about 45 days. Dates use USDA zone 10a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.

What zone 10 means for choy sum

Average last spring frost

January 30

Average first fall frost

December 30

Those two dates are what set the schedule above. Zone 10 gives you roughly 334 frost-free days, and choy sum need about 45 days to mature.

Varieties to grow

1 variety of choy sum in the HomeSown library. Tap any for its full grow guide.

Common problems with choy sum

What to watch for, with identification and treatment for each

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