Tatsoi
Brassica rapa var. rosularis
vegetableTatsoi is a compact, tender Asian green with small dark glossy leaves arranged in a rosette pattern, offering a mild, slightly spicy flavor. It matures rapidly (30–45 days) and is perfect for small spaces, containers, and salads. This cold-hardy brassica thrives in cool seasons and is excellent for succession planting.
Common Problems
Select the problem your Tatsoi is experiencing to get a treatment guide.
Care Guide
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Light
Full sun to partial shade; 6 hours of sun is optimal; can tolerate partial shade in warm weather
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Water
Keep soil consistently moist; water 1–2 times per week; maintain even moisture without waterlogging
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Soil
Rich, well-draining soil with good organic matter; pH 6.0–7.5
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Fertiliser
Moderate nitrogen; apply balanced fertilizer every 3 weeks or use side-dressing of compost
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Temperature
Cool-season crop; ideal 50–75°F; cold-hardy and frost-tolerant; bolts above 75–80°F
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Humidity
Moderate humidity; prefers consistent moisture in air and soil
Toxicity
check_circleSafe for Catscheck_circleSafe for Dogscheck_circleSafe for Children
Tatsoi is safe and commonly eaten fresh in salads and as a cooked vegetable
Common Diseases
Common Pests
Seasonal Care
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Resume regular watering and feeding as growth picks up.
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Peak growing season. Water and feed regularly.
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Reduce watering as growth slows. Stop heavy feeding.
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Minimal watering and feeding. Protect from frost if needed.