Skip to content
Alternanthera species red plants - Kadiyam Nursery

Brighten Your Garden with the Radiant Red Alternanthera Plants

by Kadiyam Nursery
Common name:
Alternanthera Red, Reep Red
Regional name:
Marathi - Lal Bhaji
Category:
Groundcovers, Shrubs
Family:
Amaranthaceae or Amaranthus family

Introduction to Alternanthera Red

The Alternanthera Red, also known as Alternanthera dentata 'Ruby' or 'Purple Knight', is a popular, eye-catching ornamental plant known for its vibrant red and purple foliage. It is ideal for adding a pop of color to gardens, containers, and borders.

Plant Classification and Description

  • Family: Amaranthaceae
  • Genus: Alternanthera
  • Species: Alternanthera dentata
  • Common Names: Alternanthera Red, Ruby, Purple Knight
  • Plant Type: Perennial, often grown as an annual in cooler climates
  • Foliage: Red to purple, oval-shaped leaves
  • Height: 18-24 inches (45-60 cm)
  • Spread: 18-24 inches (45-60 cm)

Growing Conditions and Requirements

  • USDA Hardiness Zones: 9-11, but can be grown as an annual in cooler zones
  • Light Requirements: Full sun to part shade, but more vibrant colors in full sun
  • Soil Requirements: Well-drained, moist, fertile soil with a pH between 5.5-7.5
  • Watering: Regular watering, keeping soil consistently moist but not waterlogged
  • Temperature: Thrives in warm temperatures between 60-85°F (16-29°C)

Planting and Propagation

  • Planting Time: Spring, after the last frost, or start seeds indoors 6-8 weeks before the last frost
  • Seed Sowing: Sow seeds 1/8 inch deep, maintain a temperature of 70-75°F (21-24°C), germination in 10-14 days
  • Transplanting: Transplant seedlings outdoors after the last frost, spacing them 18-24 inches (45-60 cm) apart
  • Propagation: Stem cuttings can be taken in late spring or summer, root in water or moist soil, then plant in the desired location

Care and Maintenance

  • Fertilization: Apply a balanced, slow-release fertilizer at planting time and during the growing season
  • Pruning: Pinch back tips to encourage bushy growth and maintain shape, remove any dead or damaged leaves
  • Pests and Diseases: Watch for aphids, spider mites, and whiteflies; treat with insecticidal soap or neem oil if necessary
  • Winter Care: In zones 9-11, plants may survive winter with proper care; in cooler zones, treat as an annual or bring indoors

Benefits and Uses

  • Ornamental Value: Vibrant foliage adds color and contrast to gardens, borders, and containers
  • Companion Planting: Pairs well with plants that have contrasting foliage, such as chartreuse or silver, or those with bright-colored flowers
  • Wildlife Attraction: Can provide shelter and cover for small animals and insects
  • Low Maintenance: Requires minimal upkeep once established, making it an easy choice for gardeners of all skill levels

Conclusion The Alternanthera Red plant is a stunning addition to any garden or landscape, with its vibrant red and purple foliage. With proper care and attention, this low-maintenance plant will provide a striking contrast and visual interest to your outdoor space.