Yu Choy Sum Seeds 500mg Heirloom Brassica rapa with Edible Yellow Flowers

Yu Choy Sum (Brassica rapa) is a tender Asian green prized for its mild, sweet flavor and crisp stems. This heirloom variety produces loose heads of glossy green leaves and slender stalks that culminate in bright yellow flowers. Both the foliage and the flowers are edible, making Yu Choy Sum a versatile addition to stir-fries, soups, and salads. Its quick growth and compact habit suit raised beds, containers, and market gardens, and the cheerful yellow blooms attract beneficial pollinators when left to flower.

Whether you are a seasoned grower or a beginner, Yu Choy Sum is easy to cultivate and rewards with a fast, flavorful harvest. The 500 mg seed packet provides ample seed for multiple sowings across the season.

Plant Features

• Heirloom variety of Brassica rapa
• Edible leaves, stems, and yellow flowers
• Mild, sweet flavor with tender-crisp texture
• Quick-growing and suitable for succession planting
• Attracts pollinators when allowed to bloom

Growing Information

• Botanical Name: Brassica rapa
• Plant Type: Annual vegetable
• Sunlight: Full sun to partial shade
• Soil: Well-drained, fertile soil rich in organic matter
• Water Requirements: Moderate; keep soil consistently moist
• Growth Habit: Upright, loose heads
• USDA Hardiness Zones: 2–11 (grown as an annual)
• Bloom Season: Late spring to early summer if left to flower
• Mature Height: 12–18 inches
• Spacing: 6–12 inches apart

Planting & Care

Sow Yu Choy Sum seeds directly in the garden or start indoors for an early start. Plant seeds about ¼ inch deep and keep the soil evenly moist until germination, which typically occurs in 7–14 days. Thin seedlings to the recommended spacing to allow for healthy growth. For a continuous supply, sow seeds every 2–3 weeks during the growing season.

Provide consistent moisture and mulch to retain soil moisture and suppress weeds. Yu Choy Sum benefits from a balanced fertilizer or compost application. Harvest leaves and stems when they are young and tender, or allow some plants to flower for edible blooms and pollinator appeal. Monitor for common pests like aphids and flea beetles, and practice crop rotation to maintain soil health.

What's Included

500 mg of Yu Choy Sum seeds (Brassica rapa).