Yu Choy Sum (Jung Green) Seeds (Brassica rapa var. parachinensis) is a popular Asian leafy vegetable prized for its tender green stems, smooth leaves, and delicate yellow flowers. With a mild, sweet flavor similar to young broccoli, Yu Choy Sum is commonly used in stir-fries, soups, noodle dishes, and steamed vegetable recipes. Fast-growing and highly productive, this nutritious green is an excellent choice for home gardens and continuous harvesting.
Planting Season
Best planted in: Early Spring, Late Summer & Fall (Cool Season Crop)
Can also be grown during mild winters in warm climates.
How to Grow Yu Choy Sum (Jung Green) Seeds
Sow seeds directly outdoors in early spring or late summer.
Choose a location with full sun to partial shade and fertile, well-drained soil.
Sow seeds ¼ inch deep in rows.
Space plants 4–6 inches apart, with rows spaced 12–18 inches apart.
Keep soil consistently moist during germination.
Maintain soil temperatures between 60–75°F for optimal germination.
Seeds typically germinate within 4–8 days.
Succession sow every 2–3 weeks for a continuous harvest.
How to Care for Yu Choy Sum Plants
Water regularly to keep soil evenly moist.
Grow in nutrient-rich soil amended with compost or organic matter.
Feed lightly with a balanced fertilizer during active growth.
Mulch around plants to retain moisture and suppress weeds.
Provide protection from cabbage worms and flea beetles if necessary.
Harvest young stems, leaves, and flower buds for the best flavor and tenderness.
Regular harvesting encourages continued production.
Plants typically mature in about 35–50 days after sowing.
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