Bok Choy
Height: 4– 20 "Width: 2 – 5 "Depth: 6– 3 6"Annual/Cool Season
Wat e r : Moderate and oft en
Sun : Part shade; 6 hours per day
Companion Planting :
pro: Beets, lettuce, onions, radishes, spinach
con: Tomatoes, potatoes, peppers
Pests : Aphids, slugs, cabbage worm
Diseases : Yellows, black rot
Soil: Rich humus, good drainage, fertile clay loam
Fertilizer: Use good compost in autumn
pH: 6.5–7.5
Varieties : Bok choy (not cold tolerant); mei qing choy
(baby size); Napa (see page 188)
Zones : 3–6
Planting : Seed ¼-inch deep, 10–12 days before fi rst
frost
Germinate: 4–10 days
Harvest: From seed, 65–70 days; from transplant,
45–50 days
Rotation: Don’t follow cabbage family
Edible: Leaves and stalksBOK CHOY • 89