Palmer's Amaranth (Amaranthus palmeri) is a fast-growing, warm-season annual herb. A notorious agricultural weed, it has green leaves, reddish stems, and inconspicuous fl
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Sunlight
Requires full sun exposure for optimal growth and development.
Watering
Drought-tolerant but benefits from consistent moisture for vigorous growth.
Soil
Prefers fertile, well-drained soils but tolerates a wide range.
Temperature
Thrives in warm to hot conditions, typical of summer growing seasons.
Habitat
Outdoor
Fertilizer
Does not require fertilization; thrives in nutrient-rich, disturbed soils.
Requires full sun exposure for optimal growth and development.
Drought-tolerant but benefits from consistent moisture for vigorous growth.
Prefers fertile, well-drained soils but tolerates a wide range.
Thrives in warm to hot conditions, typical of summer growing seasons.
Outdoor
Does not require fertilization; thrives in nutrient-rich, disturbed soils.
Plant Type
Herb
Plant Category
Vegetable, Foliage
Plant Place Type
Ground
Plant Environment
Outdoor
Lifespan
Annuals
Plant Height
1-3 m
Spread
0.3-1 m
Growth Rate
Very fast
Dormancy
Winter (seed dormancy)
Leaf Color
Green, Reddish-green
Leaf Type
Simple, alternate, ovate to lanceolate
Flower Size
Less than 0.5 cm
Optimal Sunlight Lux
60000
Weed Status
Yes
Toxic for humans
Yes
Rating: 5/5
Toxic for pets
Yes
Rating: 5/5
Edible
Yes
While young leaves are edible for humans, Amaranthus palmeri can accumulate nitrates and oxalates, especially in older plants or under environmental stress. High concentrations can be toxic to livestock, potentially causing nitrate poisoning or kidney dam
