Edible plant · Growing guide
Tatsoi
Brassica rapa subsp. narinosa · Brassicaceae family
Tatsoi is a rosette edible plant grown for fresh greens, succession sowing, and indoor hydroponics. Use this guide to match its light, water, soil, space, seasonal care, and safety needs.
Guide status Exact ranges are a catalog starting point. Check the plant label, cultivar, region, and linked sources before planting.
- Reliable light
- Full to part sun
- Water pattern
- Consistent
- Mature size
- 11 × 10 in
- Final spacing
- 10 in
- Season
- warm
Plant identity, types & settings
One plant guide. Clear details underneath.
Tatsoi is a crop type. Harvest stage and growing system belong in its planning details, not in a list of supposed plant names.
Ways to grow it
These are garden or production settings—not cultivar names and not extra plants.
Baby Leaf
Sow densely only for an early baby-leaf cut and maintain airflow.
- Mature size
- 5 × 7 in
- Spacing
- 4 in
- Container
- 2+ gal · 8+ in deep
Cut And Come Again
Keep the crown intact and retire plants when quality or sanitation declines.
- Mature size
- 8 × 10 in
- Spacing
- 8 in
- Container
- 3+ gal · 8+ in deep
Full Size Head Or Bunch
Thin to the full mature spacing rather than seedling spacing.
- Mature size
- 11 × 10 in
- Spacing
- 10 in
- Container
- 3+ gal · 8+ in deep
Indoor Hydroponic
Use a food-safe reservoir, uniform grow light, and crop-specific nutrient label.
- Mature size
- 9 × 9 in
- Spacing
- 6 in
- Container
- 2+ gal · 8+ in deep
01 · Light & site
Give it the light its growth depends on.
Full to part sun, with roughly 4 to 7 hours of useful light. Establish in frost-free conditions suited to the species.
02 · Water & soil
Keep roots supplied without trapping water.
Keep the active root zone evenly moist while preserving oxygen and drainage.
- Soil
- Loose, organic, species-appropriate garden soil
- Drainage
- Moist but drained
- pH
- Species-specific; verify the grower label and linked guidance
03 · Spacing & roots
Make room for the mature plant.
Space plants about 10 inches apart. Expect a mature plant around 11 inches tall by 10 inches wide.
fine, shallow feeder-root system. Container figures are a planning floor, not a claim that long-term container culture is ideal.
04 · Start
Begin with the method that protects establishment.
Use the species-appropriate method—seed, cutting, division, bulb, tuber, or a healthy transplant—and follow the plant label for timing.
05 · Care
Support healthy growth through the season.
Support is usually unnecessary when the plant has its recommended light and spacing.
- Upkeep
- Low
- Feeding
- High
- Watch for
- Species-specific insects, Crowding-related disease, Moisture stress
06 · Flower or harvest
Harvest and maturity
25–65 days to the first expected harvest, bloom, or established display; perennials may need additional seasons to settle. 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.
No specific toxicity warning is recorded here. Confirm identification and current child, pet, food-use, and regional guidance before relying on that absence.
08 · Sources
Check the evidence behind the guide.
Guide record: Editorial review pending; generated 2026-08-10. Region, cultivar, regulations, and current product labels can change the right decision.
Working checklist