Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Lactuca (lak-TOO-kuh) (Info)
Species: sativa (sa-TEE-vuh) (Info)
Cultivar: Blackjack
» View all varieties of Lettuce Category:
Vegetables
Height:
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
Spacing:
9-12 in. (22-30 cm)
Sun Exposure:
Full Sun
Days to Maturity:
Unknown - Tell us
Foliage:
Grown for foliage
Seed Type:
Unknown - Tell us
Other details:
Average Water Needs; Water regularly; do not overwater
Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Propagation Methods:
From seed; direct sow outdoors in fall
From seed; sow indoors before last frost
Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
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