Prostrate Pigweed
Amaranthus blitoides
N/A
About this plant
Amaranthus blitoides, commonly known as Prostrate Pigweed, is a low-growing, spreading plant with small green leaves and inconspicuous flowers. It is often found in disturbed soils and is valued for its drought tolerance and quick growth. It can be used as ground cover or in naturalized garden areas.
Taxonomy
- Genus
- Amaranthus
- Family
- Amaranthaceae
- Higher classification
- Order Caryophyllales
- Plant type
- Annual
- Lifespan
- Annual
Origin & Distribution
- Native region
- North America
- Distribution
- Native to North America, it is commonly found across the United States and parts of Canada, often in open, sunny areas and disturbed soils.
Care
- Light preference
- Full sun
- Suitable locations
- Outdoor, Balcony
- Preferred window facing
- South-facing, West-facing
- Watering frequency
- Moderate
- Watering interval
- 5–10 days
- Humidity
- Normal
- Minimum
- -15 °C
- Maximum
- 35 °C
- Optimal
- 15-30 °C
- USDA hardiness zones
- 3-9
- Soil pH
- 6.0-7.5 (neutral to slightly acidic)
- Soil type
- well-draining loam or sandy soil
Watering. Water moderately, allowing the soil to dry out slightly between waterings. It is drought tolerant once established but grows best with regular moisture.
Fertilizing. This plant generally does not require much fertilization. If grown in poor soil, a balanced, all-purpose fertilizer can be applied once during the growing season to encourage healthy growth.
Amaranthus blitoides is a hardy and fast-growing plant that adapts well to various soil types. It prefers full sun and can tolerate dry conditions once established. It requires minimal maintenance and is easy to grow from seeds.
Propagation
- Propagation methods
- Seeds
- Care difficulty
- Easy
Ornamental features
- Flowering
- Yes
- Flowering period
- summer
Low, spreading form with small green leaves and tiny green flowers that appear in summer.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Low spread
This plant is generally considered safe and non-toxic to humans and pets.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Pollen
- Pollen level
- Moderate
Amaranthus blitoides can produce pollen that may cause mild allergic reactions in sensitive individuals, such as sneezing or itchy eyes. People with pollen allergies should avoid close contact during its flowering period to reduce exposure.
Common problems
Overwatering can lead to root rot, and poor drainage may cause fungal issues. It may also be outcompeted by more aggressive weeds if not managed.
Uses
Used mainly as a ground cover or for erosion control; sometimes used in traditional medicine and as a food source in some cultures.
Notes
This plant spreads along the ground and may require occasional trimming to keep it tidy. It is not commonly grown indoors but can be started inside before transplanting outdoors.