How to Grow Shanghai Green
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Shanghai Green
Brassica rapa subsp. chinensis
vegetableShanghai Green is a compact, fast-growing Asian green (bok choy variety) with tender dark green leaves and thick, succulent white petioles. Known for its mild, slightly sweet flavor and exceptional tenderness, it's ideal for stir-frying, steaming, or eating raw in salads. This heat-tolerant cultivar matures quickly, making it perfect for succession planting.
When should you plant Shanghai Green in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Shanghai Green timeline · Pittsburgh, PA (Zone 6b)
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Plant Shanghai Green
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Shanghai Green
Around May 17≈ 30 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Shanghai Green dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-10; best grown as cool/warm season crop depending on region
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Seedling
7-10 daysTiny leaves emerge with cotyledons; plant is fragile and low-growing
Keep soil moist; provide bright light; thin seedlings to proper spacing when first true leaves appear; protect from slugs
Early Vegetative
10-14 daysTrue leaves develop; plant grows 2-4 inches tall with 4-6 leaves forming
Maintain consistent moisture; begin light fertilizing with diluted balanced fertilizer; monitor for pests
Mid-Growth
10-15 daysPetioles thicken and lengthen; leaves become more numerous and darker green; plant reaches 4-8 inches
Continue regular watering; side-dress with compost or apply nitrogen fertilizer every 2 weeks; thin if needed for airflow
Mature/Harvest Ready
5-10 daysFull, compact rosette with thick, succulent petioles and dark green foliage; 8-12 inches tall
Maintain moisture for tenderness; harvest outer leaves to encourage continued growth or harvest entire plant
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Use row covers; apply Bacillus thuringiensis (Bt); hand-pick caterpillars; encourage parasitic wasps
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Use floating row covers; spray with neem oil or insecticidal soap; encourage ground beetles; dust with food-grade diatomaceous earth
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Spray with water stream; apply insecticidal soap; use neem oil; encourage ladybugs
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and
Hand-pick early morning/evening; use beer traps; copper tape barriers; encourage ground beetles and toads
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Use yellow sticky traps; spray with neem oil; encourage beneficial insects
Uses
Stir-fries and Asian cuisine
CulinaryShanghai Green's tender petioles and mild flavor make it ideal for quick stir-frying. The entire plant—leaves and stems—are edible and cook quickly, absorbing flavors beautifully while maintaining a pleasant crunch. [source]
Raw salads and slaws
CulinaryYoung, tender leaves and petioles are delicious raw in salads, slaws, and spring rolls. The mild taste and succulent texture provide a gentle contrast to strong dressings and other greens. [source]
Steaming and soup
CulinaryShanghai Green is excellent steamed as a side dish or added to soups and broths. Its quick cooking time (3-5 minutes) preserves nutrients and tender texture while infusing dishes with subtle sweetness. [source]
Nutritional and health benefits
MedicinalRich in vitamins A, C, and K, calcium, and minerals. Contains glucosinolates (sulfur compounds) that research suggests may support cellular health and detoxification pathways. [source]
Pollinator and beneficial insect support
WildlifeIf allowed to flower (bolting), Shanghai Green produces small yellow flowers that attract bees and beneficial insects. Growing a few plants to flowering bolsters garden biodiversity. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Harvest when plants are 8-12 inches tall for peak tenderness, typically 30-45 days after planting. Pick outer leaves individually to encourage continued growth, or cut entire plant 1 inch above soil for regeneration. Morning harvest yields crispest texture. Can be harvested at immature stage (baby bok choy) at 3-4 weeks for tender young plants.
Fun Facts
- 🌱 Shanghai Green is sometimes called 'dark bok choy' due to its unusually dark green coloring compared to standard white-stemmed varieties—this darker color indicates higher chlorophyll and nutrient density.
- 🌱 This variety is highly tolerant of heat and bolting, making it one of the few Asian greens suitable for summer and warmer climate growing, unlike many other leafy greens.
- 🌱 In traditional Chinese cuisine, Shanghai Green has been cultivated for centuries and is a staple in markets from Shanghai to Hong Kong, where it's prized for its tender texture and rapid growth.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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