Bok Choy

Quick Reference

Type of Harvest:Single harvest or cut-and-come-again

Transplant/Direct Sow:Direct sow or transplant

When to Plant:In spring, direct sow Bok Choy when the soil temperature is 55°F or warmer. For successive gardening, start seeds indoors 4 weeks before the average last frost date for spring. For Fall gardens direct sow Bok Choy seeds 4 weeks before the first frost date or transplant seedlings 4-5 weeks before the average first frost date for a fall garden.

Days to Germinate:7-10 days

Days to Maturity:45 days

Planting Depth:½ ” deep

Germination Temp:55°F

Seed Spacing:Plant 1” apart. Thin to 8-12” apart.

Row Spacing:1' apart

Light:Full sun - six hours per day

Soil pH:6.0-7.5 pH

Water:1- 1 ½” of water per week

Soil Temperature: Minimum 55°F. These are cool weather loving plants.

Fertilizer:14-14-14 N-P-K ratio; though a balanced 10-10-10 will also work.

Rotation:Rotating Bok Choy is a good practice. When you rotate brassica plants, such as Bok Choy it helps prevent soil-born plant diseases and is good for the bed.


Harvest Type

Bok Choy is generally a single harvest plant. However, you can harvest just the leaves and treat the crop as a cut-and-come-again crop.

Transplant / Direct Sow

Direct Sow seeds outdoors when the soil temp is above 55°F. In the spring, start seeds indoors about four weeks before the average last frost date. Because Bok Choy is a cool weather plant, you can direct sow seeds in late summer, about four weeks before the average first frost date. Bok Choy plants and seedlings will tolerate frost. If you live in a colder region, use row covers to protect the winter garden. Transplant seedlings when they are 3-4 inches tall and when the soil temperature is above 55°F.


Full Sun - Six hours or more

When to Plant:

Transplant or direct sow seeds when the soil temperature is 55°F.

Days to germinate

It takes most Bok Choy cultivars 7-10 days to sprout.

Days to maturity

It takes about 45 days for Bok Choy to reach full maturity but you can snip leaves when the plant is six inches tall.

Planting Depth

Plant seeds 1/2" deep.

Germination Temperature Range

Germination is best when the soil is 55°F.

Spacing Between Plants

Plant seeds 1" apart and thin to 8-12". Bok Choy is a short bulky with a narrow rootzone.

TIP: Don't be afraid to over-plant brassicas, such as Bok Choy if you have the extra room. Your livestock will love them.

Companion Plants

Beets, Carrots, Cellery, Garlic, Onions, and Dill all make good companion plants for Bok Choy.

Growing conditions

Bok Choy likes a little cool weather. Start with good, well-draining soil—water with 1-1.5" of water per week, keeping the ground evenly moist. Plant in full sun. Bok Choy and other brassica plants will bolt if the weather becomes too warm, so direct sow or start seeds indoors for spring plantings.

Tip: Bok Choy is a favorite for aphids. You can minimize pest issues with Bok Choy by installing a row cover.


Bok Choy is an excellent crop to rotate as it helps to prevent certain soil-borne plant diseases.

Anticipated yields

Plan your garden yield at 5-10 Bok Choy plants per person. Expect 8-30 pounds of Bok Choy per 10 feet of row space. If you over-plant, you can share them with others or give the extra fruit to chickens and livestock as a treat

Fall & Winter Garden 30
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