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Celtuce (Lactuca sativa var. asparagina) 1-1.5g/1000 seeds

Other names: celery lettuce, asparagus lettuce, stem lettuce, Wo Ju, Woo Chu, Wo Sun, Stemuretasu, Kaki-Jisha.

Celtuce is native to China. It is mostly grown in South China. It is a cool season crop. Seeds germinate poorly when temperature is high. Usually, optimum germination temperature is 15-20℃. Except special summer cultivars, most celtuces are sensitive to bolting in hot summer. Shortage of water and fertilizer as well as big day-night temperature difference may contribute to premature bolting. Recommended planting density: 20-30cm between plants in a row. For commercial production, transplanting is recommended.

The stem is used for vegetable in China. The leaves can be used as lettuce for salads.


Pkt: 400~500 seeds  Approx 800~900 seeds per gram



Purple Sword: Pointed leaves in green/purple color. Stem skin is light purple. Tolerant to cold and cracking. For fall planting. Optimum temperature for germination is 15~20 C. A higher temperature inhibits germination.

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Spring Tower: Broad leaf. Cold tolerant. Suitable for spring and fall planting. Can be planted in summer in Canada and in winter in tropical area, like Mexico.

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Summer 38: Pointed leaf. Heat and cold resistant, slow bolting. Suitable for spring, summer  and fall planting. Can be planted in winter in tropical area, like Mexico.

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