Lactuca sativa

Lettuce

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Lactuca sativa is a cool-season annual vegetable cultivated primarily for its edible leaves, which form loose or compact heads used fresh in salads.
yard Kitchen garden plants wb_sunny Half-shade / Sun pets Pet Friendly
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Plant Details

Common Name Lettuce
Family Asteraceae
Genus Lactuca
Species Sativa
Origin Mediterranean Basin
Blooming Yellow flower heads appear when plants bolt due to heat or long days
Leaf Color Green, Red, Purple depending on cultivar
Sunlight Half-shade / Sun
Category Kitchen garden plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Rich, well-draining loamy soil with high organic matter, pH 6.0-7.0

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Watering

Keep soil consistently moist, avoid waterlogging to prevent root rot

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Sunlight & Care

Prefers full sun but tolerates partial shade; intense heat causes bolting

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Fertilization

High nitrogen fertilizer at planting for leaf growth, side-dress mid-season

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Pruning

Harvest outer leaves first or cut head at base when mature

Pest Control Aphid Leaf Miner Slug Snail

These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.

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Seasonal Periods

local_florist Flowering Period 2 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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Growing Parameters

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Temperature
45° – 75°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 75%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
2000 – 8000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
150 – 300
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
40% – 80%
% volumetric
Water content in the growing medium
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Soil EC
350 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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