Plant Information
Purple Knight Alternanthera
Scientific Name: Alternanthera dentata
Hardiness Degree: 40°F (4.4°C)
Plant Habit: Mounded, Spreading, Upright
Characteristics: Colorful/Attractive Foliage, Shade Tolerant, Low Maintenance
Water: Medium
Fertilize: Once a month
Spacing: 18 - 36" (46 - 91cm)
Height: 18 - 36" (46 - 91cm)
Width: 24 - 36" (61 - 91cm)
Exposure: Partial Sun
General Information: Vigorous upright, spreading habit arches over the edge of the pot, excellent when used in the landscape. Dark purple-leafed foliage is ideal accent for mixed containers. Very heat-tolerant plant thrives even in subtropical Summer conditions. Can be grown in part shade and full sun. Grow in full sun for the darkest leaf color. Upright, spreading plants work well in landscapes. Good for 4-in. (10-cm) pots to gallons. Height can vary by location; plant grows taller in warmer conditions.
Plug crop time: 5 to 6 weeks
Transplant to finish: 6 to 7 weeks
- Economical, easy-to-produce plant is an ideal accent for mixed containers and excellent in the landscape as a vigorous bedding plant.
- Also well-suited to indoor plant programs.
- Very heat tolerant – thrives even in subtropical Summer conditions.
- Foliage colour is darkest in full sun.
- Height varies by location; taller in warmer conditions.