Flowering Brassica-Kosaitai Purple Choi Sum
Brassica rapa var purpurea
Choy sum, also known as kosaitai or hon tsai tai, is a common Chinese specialty vegetable with flowering purple stems. The leaf stalks and veins are purple, while the branches and flowers are dark green. The colors are more intense at low temperatures.
|
Days to germination |
7-10 days mostly |
|
Days to maturity |
About 50 days |
|
Life cycle |
Cool Season Annual |
|
Plant time |
Late Summer through late winter |
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Spacing |
12-16 inches |
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Sun |
Full sun Cool Regions |
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Soil temperature |
65-75 degrees |
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Optimum soil P.H |
6.1-7.1 |
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Height |
12-36 inches tall-14-24inches spread |
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Harvest |
50 days after planting. Harvest shoots with leaves, stems, and flowers/buds. Cut and come again until temps get too warm. |