Weekend Gardener Your Weekly Electronic Gardening Guide
Practical Horticulture for Busy People.

Lettuce (head) Previous Next

About This Plant...
Family: Asteraceae
Genus and species: Lactuca sativa var. capitata
Growing Season: spring and fall
Indoor Sowing...
Time needed to reach transplant size: 4-6 weeks
When to transplant to garden: 2 weeks before to 3 weeks after last spring frost
Outdoor Sowing...
When to sow outdoors: -
Other Sowing Guidelines...
Approx. germination time: 2-14 days
Germination temp.: 40-80 degrees F.
Sowing depth: 1/8 inch
Days to maturity: 57-80 days
Transplanting Guidelines...
Spacing between plants: 10-15 inches
Spacing between rows: 16-24 inches
Growing On...
Pests: slugs, earwigs, leaf miners, whiteflies
Diseases: aster yellows, downy mildew, powdery mildew, white mold
Harvest: lift entire head when firm and full sized
Growing tips: head lettuce is less heat-tolerant than other lettuce types

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