USDA Hardiness Zones 4-7
Air Temperature : 50° F – 70° F
Germination temperature: 50 F to 80 F
Days to germination / emergence: 4 to 7
Soil pH of 6.0 – 7.5
Biennial : Usually harvested before second season when it goes to seed.
Row Spacing : 18 to 30 inches
Plant Spacing : 6 to 10 inches
Seed Depth: ¼ to ½ inch
Partial Shade - Full Sun so long as temperatures are suitable.
Size: baby bok choy 6 - 10 inches tall Standard bok choy 12 - 24 inches tall
Maturity: 45 - 60 daysWater : Bok choy requires ample moisture to thrive and prevent premature bolting. Keep the soil moist with regular, even watering, usually about an inch weekly. Use heavy mulch which helps moisture retention in the soil, repels some insects and suppresses weeds.
Pests : Cabbage Worms and Related Worms. Flea Beetles