Key features

• •Amount to sow: 200–300g seeds / 1000 m2, sow straight or transplant Strong growth. Plants are large, uniform, high yield Plant all year round. Harvest 25-30 days and can last up to 35 days. Leaves are still a beautiful green color without discoloration.
• •Germination rate > 90% Planting season All Year Harvest time 30-35 days after sowing Type of seeds Vegetable seeds
• •How long does choy sum take to grow? Choy sum seeds typically take 7 days to germinate. Depending on the variety, growth periods can vary drastically, with some hybrids
• •Direct- seed choy sum into well-tilled garden beds that have been amended with a 2-inch layer of compost. Thin seedlings to about 8 inches apart in rows 18 inches apart. Water the choy sum patch at least once a week, checking during the week to ensure that the soil remains moist.
• •Shred or chop the leaves for use in stir-fries and stews. Choy sum seeds -- sometimes spelled "choi sum" -- grow well in U.S. Department of Agriculture hardiness zones 4 to 10, where it does best as a spring or fall crop. Direct-seed choy sum into well-tilled garden beds that have been amended with a 2-inch layer of compost.
• •Is choy sum a bok choy? One of the seemingly endless members of the Asian green family, choy sum (Brassica chinensis var. parachinensis) is a bok choy variety that bears flowers if not harvested quickly enough. The Chinese cabbage's narrow leaves form on several thick stalks and are either dark green or dark purple, depending on the variety.