Alternanthera dentata
Joseph's Coat
The Alternanthera dentata, commonly known as Joseph's Coat, is a vibrant, evergreen perennial valued for its striking, burgundy-purple foliage that adds bold colour and texture to gardens year-round. This fast-growing plant reaches up to 60 to 80 cm in height and 60 to 90 cm in width, making it ideal for borders, groundcover, mass planting, or container displays. In warmer climates, it produces small, white flower clusters in summer, though its foliage is the primary ornamental feature.
Low-maintenance and adaptable, Joseph's Coat thrives in a variety of conditions, bringing year-round interest to tropical and subtropical gardens.
Specifications
- Height60 to 80 cm
- Width60 to 90 cm
- Native toSouth America
- FoliageBold burgundy-purple leaves; evergreen in warm climates
- Growth rateFast
Conditions
- SoilPrefers well-drained, fertile soils; tolerates sandy, loamy, and clay types
- LightFull sun to partial shade; best foliage colour in brighter light
- WaterModerate; drought-tolerant once established
- ClimateThrives in tropical, subtropical, and warm temperate regions
Additional Features
- FlowersSmall, white clusters in summer; inconspicuous
- FormMounded, bushy growth habit with dense foliage
- UsesIdeal for borders, groundcover, mass planting, or containers
- SpacingPlant 30 to 60 cm apart for dense coverage or individual displays
- Low MaintenanceRequires minimal care; prune lightly to shape if needed
- Pest ResistanceGenerally pest-free; hardy in most conditions
- Drought TolerancePerforms well in water-wise gardens once established
- Seasonal AppealYear-round foliage provides continuous colour and interest
- VersatilityComplements tropical, contemporary, and cottage garden styles
Joseph's Coat is a bold and colourful plant, perfect for adding vibrant contrast, texture, and structure to gardens and landscapes with minimal upkeep.