One Kilo Slow Bolt
Chinese Cabbage · Napa
Brassica rapa subsp. pekinensis
Brassicaceae (Mustard family) · Genus: Brassica
About
Also called napa cabbage, 'One Kilo Slow Bolt' has a delicate flavor, a soft texture, somewhere between that of lettuce and regular cabbage, and tight heads have creamy yellow interior. Grows with ease in fall, and can be sown in spring if care is taken to protect young plants from temperatures of 50°F or below, which may cause plants to bolt. Grows best at 60°-65°F. This packet sows up to 33 feet.
Characteristics
About the Plant
How to Plant
When to Plant in Your Area
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Planting and Care Instructions
When to sow outside: RECOMMENDED. 2 to 4 weeks before your average last frost date for a summer crop or 8 to 10 weeks before your average first fall frost date for a fall crop. Ideal soil temperature for germination is 75°-85°F. Persistent temperatures of 50°F or below while plants are young can cause bolting (premature flowering), cover as necessary. When to start inside: 4 to 6 weeks before your average last frost date transplanting after your average last frost date, and 4 to 6 weeks before transplanting outdoors in summer for a fall crop. Mild Climates: Sow in fall for a cool-season harvest.
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August 26, 2026