Approximately 1036 seeds per gram Lactuca sativa Lot# LT28106 Buttercrunch Lettuce is one of the classic butterheads (Bibb type). Buttercrunch grows to an average height of 23-38 cm (9-15”) with a spread that averages about 15 cm (6”) wide. A very good performer that forms a small, open but tightly bunched, 15 cm (6") rosette that is fan-shaped rather than round. Dark green leaves and small compact hearts that blanch to an appetizing yellow color. Crisp and sweet. A popular lettuce with a buttery texture.
Lettuce seeds require light to germinate. Seeds must be sown just barely below soil surface in full sun or light. Direct sow lettuce seeds 2-3 seeds at 5 mm-12 mm (¼-½") deep and barely cover with soil medium. Space seeds at 2.5 cm (1”) apart or start indoors and transplant when the risk of frost has passed. Lettuce seeds will not germinate when soil temperatures exceed 30°C (87°F) and do best when soil temperatures remain between 15-20°C (59-68° F). Thin to space seedlings 30 cm (12") apart. Space or thin loose leaf varieties to 15 cm (6”) apart. Row spacing for all lettuce types should between 30-45 cm (12-18”) apart. Sow every 3 weeks for a continuous supply of fresh lettuce.
Soil Conditions: Well worked rich, loose well-drained soil. Ideal pH: 6.5-6.8
Planting Depth: Sow Lettuce seeds at 6 mm-12 mm (¼-½") deep. Lettuce germination requires sunlight. Surface sow seeds and barely cover with soil medium.
Germination: 7-14 days.
Height at Maturity:23-38 cm (9-15”) tall. Spread: 15 cm (6”) wide.
Days to Maturity: 65-75 days for maturity for big heads.
Watering: 2.5 cm (1") of water a week ensures good growth . The amount of rain that falls during the week affects how much you should water your garden.
Sun/Shade: Full Sun
Spacing after Thinning: Thin to one plant every 15-30 cm (6-12”). Rows should be 30-45 cm (12-18”) apart.
Additional Information Open pollinated-untreated seeds. Buttercrunch Lettuce is a low maintenance plant and it is great lettuce for beginning gardeners and those who like gardens that don't need much overseeing. The leaves are a good source of antioxidants such as beta-carotene, lutein and vitamin C as well as vitamin K.