Brassica Rapa var. Parachinensis 'Karate' (Karate Choy Sum)
Brassica Rapa var. Parachinensis 'Karate' (Karate Choy Sum)
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Brassica rapa var. parachinensis 'Karate', commonly known as Karate Choy Sum. This fast-growing vegetable produces slender green stems, smooth leaves, and tender yellow flowering shoots with a mild, sweet flavour and delicate texture. A staple in Asian cuisine, Karate Choy Sum is perfect for stir-fries, steaming, soups, and fresh side dishes. Its quick growth and excellent eating quality make it a favourite for home gardeners and market growers alike.
Karate Choy Sum thrives in full sun to part shade and prefers fertile, well-drained soil with consistent moisture. Quick to mature and easy to grow, it is ideal for succession planting, providing continuous harvests throughout the growing season. Its vigorous growth, nutritional value, and versatility in the kitchen make it an essential addition to any home vegetable garden.

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Mature height
30–45 cm
Mature width
15–20 cm
Spacing
15–20 cm apart
Evergreen/Deciduous
Annual
Foliage
Green stems and leaves with bright yellow flowers
Flowering Period & Fruit Development/Harvest
Harvested before or during early flowering
Sun tolerance
Full Sun to Part Shade
Maintenance
Low; keep soil evenly moist and harvest regularly to encourage tender new growth
Root System
Shallow, fibrous, non-invasive