Week 19 – May 09, 2021

Plant Information

Purple Knight Alternanthera

  • Purple Knight Alternanthera - Bloom
  • Purple Knight Alternanthera - Commercial Landscape 1
  • Purple Knight Alternanthera - Commercial Landscape 2
  • Purple Knight Alternanthera - Commercial Landscape 3
  • Purple Knight Alternanthera - Commercial Landscape 4
  • Purple Knight Alternanthera - Landscape
Growing Information:
Culture Guidelines
Marketing Information:
Bench Card
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Plant Details:

Scientific Name: Alternanthera dentata

Common Name: Alternanthera

Hardiness Degree: 40°F (4.4°C)

Plant Habit: Upright

Characteristics: Shade Tolerant, Low Maintenance, Colorful/Attractive Foliage

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: Very heat tolerant, vigorous upright, spreading habit arches over the edge of the pot, excellent when used in the landscape

Grower Information:

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.
Mississippi Medallion Award