Edible plant · Growing guide

Bok Choy

Brassica rapa subsp. chinensis · Brassica family

Bok Choy is a rosette edible plant grown for leafy green, succession, and container. Use this guide to match its light, water, soil, space, seasonal care, and safety needs.

Botanical field illustration of Bok Choy
Identity-specific botanical field illustration
Reliable light
Part sun
Water pattern
Consistent
Mature size
16 × 12 in
Final spacing
10 in
Season
cool

Plant identity, types & settings

One plant guide. Clear details underneath.

Bok Choy is the plant identity. Container, landscape, cutting, indoor, hydroponic, and harvest labels describe ways to grow it; they are not additional plant or cultivar names.

Plant types and varieties

These are real planning-distinct types or varieties attached to Bok Choy. Named cultivars can still vary, so confirm the packet or plant label.

Type or variety

Bok choy · baby

A quick compact bok choy harvested as a small tender rosette before full-size petioles develop.

Mature size
8 × 6 in
Spacing
5 in
Support
Usually none
Use this type in the planner →
Type or variety

Bok choy · full-size

A larger bok choy grown for a broad crown of thick crisp petioles and green leaves.

Mature size
18 × 12 in
Spacing
11 in
Support
Usually none
Use this type in the planner →

Ways to grow it

These are garden or production settings—not cultivar names and not extra plants.

Growing context

Baby Leaf

Sow densely only for an early baby-leaf cut and maintain airflow.

Mature size
7 × 9 in
Spacing
5 in
Container
3+ gal · 8+ in deep
Use this setup in the planner →
Growing context

Cut And Come Again

Keep the crown intact and retire plants when quality or sanitation declines.

Mature size
11 × 11 in
Spacing
9 in
Container
4+ gal · 8+ in deep
Use this setup in the planner →
Growing context

Full Size Head Or Bunch

Thin to the full mature spacing rather than seedling spacing.

Mature size
14 × 12 in
Spacing
12 in
Container
5+ gal · 8+ in deep
Use this setup in the planner →
Growing context

Indoor Hydroponic

Use a food-safe reservoir, uniform grow light, and crop-specific nutrient label.

Mature size
11 × 10 in
Spacing
7 in
Container
3+ gal · 8+ in deep
Use this setup in the planner →

01 · Light & site

Give it the light its growth depends on.

Part sun, with roughly 3 to 5 hours of useful light. Cool spring or fall conditions

02 · Water & soil

Keep roots supplied without trapping water.

Keep the active root zone evenly moist while preserving drainage.

Soil
Loose, organic garden soil
Drainage
Moist but drained
pH
Species-dependent, commonly mildly acidic to neutral

03 · Spacing & roots

Make room for the mature plant.

Space plants about 10 inches apart. Expect a mature plant around 16 inches tall by 12 inches wide.

A branching root system needs the stated depth plus aerated soil around the mature spread.

04 · Start

Begin with the method that protects establishment.

Direct sow or transplant according to crop-specific temperature and root-disturbance guidance.

05 · Care

Support healthy growth through the season.

Usually self-supporting at the stated mature size. Add a discreet stake only if wind, bloom weight, or an exposed site makes it necessary.

Upkeep
Moderate
Feeding
Moderate
Watch for
Flea beetles, Cabbageworms, Bolting

06 · Flower or harvest

Harvest and maturity

30 to 55 days. Use the seed packet or plant label for cultivar-specific timing and harvest cues, then adjust for temperature, light, and the stage you intend to pick.

07 · Safety

Know the cautions before you place or use it.

  • Confirm cultivar, regional timing, and toxicity or food-use details with local extension guidance.
  • Keep unknown plant parts away from children and pets.

08 · Sources

Check the evidence behind the guide.

University of Minnesota Extension: Planting the vegetable gardenSeason, spacing, garden layout, and crop establishment frameworkOpen source ↗University of Minnesota Extension: Companion planting in home gardensEvidence-aware interplanting, succession, biodiversity, and trap-crop contextOpen source ↗USDA National Institute of Food and Agriculture: Cooperative ExtensionNational extension framework and local verification pathwayOpen source ↗

Guide record: July 20, 2026. Region, cultivar, regulations, and current product labels can change the right decision.

Working checklist

Bok Choy planting check