Brazilian Alternanthera
Alternanthera brasiliana
About this plant
Alternanthera brasiliana is a colorful, bushy plant known for its vibrant purple to reddish leaves. It is often grown as an ornamental plant in gardens and containers for its attractive foliage. The plant adds a splash of color and texture to landscapes and indoor plant collections.
Taxonomy
- Genus
- Alternanthera
- Family
- Amaranthaceae
- Higher classification
- Caryophyllales
- Plant type
- Shrub
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Brazil, South America
- Distribution
- Native to Brazil and other parts of South America; widely cultivated in tropical and subtropical regions worldwide.
Care
- Light preference
- Partial sun
- Suitable locations
- Indoor, Outdoor, Balcony, Greenhouse
- Preferred window facing
- East-facing, South-facing, West-facing
- Watering frequency
- Moderate
- Watering interval
- 3–7 days
- Humidity
- Normal
- Minimum
- 10 °C
- Maximum
- 35 °C
- Optimal
- 18-26 °C
- USDA hardiness zones
- 9-11
- Soil pH
- 6.0-7.5 (slightly acidic to neutral)
- Soil type
- well-draining potting soil mix
Watering. Water regularly to keep the soil evenly moist but not soggy. Allow the top inch of soil to dry out between waterings.
Fertilizing. Feed with a balanced, water-soluble fertilizer every 4 to 6 weeks during the growing season to support healthy foliage growth.
Alternanthera brasiliana is a hardy and fast-growing plant that adapts well to different light conditions, including partial shade. It prefers regular watering but can tolerate short dry periods. It requires minimal maintenance and benefits from occasional pruning to keep its shape and encourage bushier growth.
Propagation
- Propagation methods
- Cuttings, Division
- Care difficulty
- Easy
Ornamental features
- Flowering
- Yes
- Flowering period
- summer
Bright purple to reddish leaves with a bushy, compact form; small inconspicuous flowers in summer.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Not considered a weed
Non-toxic to humans and pets, making it safe for homes with children and animals.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Skin contact
- Pollen level
- Low
Alternanthera brasiliana may cause mild skin irritation in sensitive individuals due to contact with its leaves. It is not known to produce airborne pollen that causes allergies. To reduce any risk, wear gloves when handling the plant and wash hands afterward.
Common problems
Overwatering can cause root rot, while too little light may lead to leggy growth and dull leaf color. Occasionally, spider mites or aphids may appear but are usually easy to control.
Uses
Primarily grown as an ornamental plant for colorful foliage in gardens, containers, and indoor spaces.
Notes
Prune regularly to maintain a compact shape and encourage new growth. Repot every 1-2 years if grown in containers. Protect from frost and cold drafts.