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Lettuce

Master Gardener Program

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Lettuce

Scientific Name: Lactuca sativa

Plant Characteristics
Variety Information
Diseases
Sources

Plant Characteristics

Plant Size
Days to Harvest	50-60
Harvest Crop Size	1 lbs.
Harvest Color	Green
Sun/Shade	Sun
Soil pH	6-7
Temperature Range	70-80 °F
Water Requirements	1-2 inches/week
Weed Risk Assessment (Invasive > 5)	N/A
Toxicity	N/A
Propagation	Planted via seed, about 1/2 inch deep.
Other Info, Uses	Lettuce can be continuously harvested by picking individual leaves or thinning whole plants.

Variety Information

Diseases

Varieties	Resistances, Tolerances	Variety Notes
Anuenue	Heat tolerant	Smooth leaf variety that forms a larger head and has a crisp texture. It does ideal under cool weather and lower elevations.
UH Manoa	None	Tender semi-head variety. It does ideal in cooler climates and lower elevations. Can bolt early in hotter temperatures.

Sources

Choose a Symptom

Seedling
Whole Plant	Wilting of Stem and Leaves
Stems
Leaves	Spots on leaves Powdery Spots on Leaves
Roots	Knots on Roots

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