Tatsoi
Brassica rapa var. rosularis
A rosette mustard with spoon leaves, cold-hardy. Same species complex as bok choy.
GROW → HARVEST → EAT → DRY → POWDER → CAPSULE → GUMMY — forms are not equivalent. Food first.
Identity
NameTatsoi
Scientific nameBrassica rapa var. rosularis
FamilyBrassicaceae
Typevegetable
Climate / zonesCool-season, frost-hardy
LightSun to part shade
What it is
A rosette mustard with spoon leaves, cold-hardy. Same species complex as bok choy.
Edible portions
- leaves
Absence of a portion from this list means it is not treated as food here — not that every other part is toxic.
Growing
- Climate. Cool-season, frost-hardy
- Light. Sun to part shade
- Soil. Moist, rich
- Planting. Fall and winter in mild climates.
- Harvest. Whole rosettes or outer leaves.
Preparation and culinary uses
- Salad, soup
Next steps
Sources
- USDA PLANTS Database — taxonomy and range (verify current entries)
- No USDA FoodData Central nutrient profile is attached here. That is not a claim that the plant contains no nutrients.
- State cooperative extension growing guides — verify for your region
Honest incompleteness is preferred to fabricated completeness. If a section is missing, no record for it is attached here — not a claim that the plant lacks that characteristic, and not that it was omitted as a secret.
Internal quality class B. Good foundation: enough unique information to exist as its own destination.