Whole plant
Overall shape, height, branching and growth habit.
Brassicas
Choy Sum growing guide
Fast Asian green grown for juicy stems, leaves and yellow flower buds. Best in cool to mild weather with steady watering.
Photo reference
Use this real-world photo as the main plant reference, then compare it with the botanical drawings below for leaf, flower and harvest details.
4-10 daysGermination
35-55 daysHarvest
20 cmSpacing
0.5 cmSow depth
Full/PartSun
HardyFrost
2.5 cm/weekWater
6-7.5pH
Planting calendar by climate
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| Climate | Sow | Transplant / Plant | Harvest |
|---|---|---|---|
| Tropical | Apr - Aug | Apr - Aug | May - Sep |
| Subtropical | Mar - Aug | Apr - Aug | May - Oct |
| Mediterranean | Mar - Sep | Apr - Sep | May - Nov |
| Temperate | Feb - Apr | Apr - Jun | May - Oct |
| Cool | Mar - May | May - Jul | Jun - Oct |
| Arid | Mar - May | Apr - Jun | May - Aug |
Botanical reference
Compare the whole plant first, then check the leaf, flower and harvest detail to identify what Choy Sum should look like as it grows.
Leaf detail
Leaf shape, edges, colour and vein pattern.
Flower detail
Flower colour, structure and where blooms appear.
Harvest / detail
Fruit, root, seed, pod or the strongest identifying feature.
Cooking and eating ideas
A quick garden-to-table guide for using Choy Sum after harvest.
Raw / fresh
Use young tender leaves fresh in salads, wraps, bowls, sandwiches, or as a garnish where suitable.
Cooked
Wilt, steam, stir-fry, braise, add to soups, fold into omelettes, or use in savoury bakes.
Store / preserve
Use fresh, blanch and freeze sturdy greens, ferment, or make herb-style pastes depending on the crop.
Try: Fresh salad, Garlic stir-fry, Soup greens, Wilted side.
Good companions
Onion, Lettuce, Dill
Avoid near
Strawberry
Growing note
Pick whole young plants or cut flowering stems for repeat shoots.
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