Here are some tips for caring for chye sim, also known as choy sum:
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Temperature
Low temperatures (15°C to 25°C) promote strong stalks and increase sweetness.
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Soil
Chye sim can adapt to a wide range of soil types but prefers fertile and well-drained soils.
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Watering
Chye sim can tolerate moderate water deficit but is susceptible to waterlogging.
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Harvesting
To harvest the whole head, harvest from the base at week 5.
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Storage
Vacuum-packed chye sim can be stored in the chiller for up to 5 days, or in the freezer for up to 1 month. Once opened, consume within 3 to 4 days.
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NutritionChye sim is a leafy vegetable that's an excellent source of vitamin C and vitamin K.
