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Purple Knight Alternanthera Plant

9.99
  • - UNAVAILABLE FOR PURCHASE, Shop Available Alternanthera
  • - Joseph's Coat
  • - Height: 2-3 feet
  • - Growing Zones: 2-11
  • - Exposure: Part Shade-Full Sun
Plant Features

Purple Knight Alternanthera is the bold beauty that brings a touch of royal charm to any garden or container. With its rich, deep purple foliage, this plant creates a dramatic contrast against lighter greens, making it a go-to choice for those looking to add depth and sophistication to their landscape. Its upright, mounded form gives it a regal presence that’s hard to ignore.

This heat-loving plant thrives through the warmest days, staying lush and vibrant all season long. Perfect for both garden beds and mixed containers, Purple Knight is a stunning backdrop or a striking focal point, effortlessly elevating any planting arrangement.

Grown without harmful pesticides, it arrives healthy, fresh, and ready to make a statement in your garden. 

Planting Instructions:

  • - Can be planted during any frost free period

Soil Preparation:

  • - Ideal soil pH: 5.5-6.5

Watering Specifics:

  • - Water deeply when the top inch of soil feels dry

Fertilizer Type:

  • - Use a balanced, water-soluble fertilizer every 2-4 weeks during the growing season

Pruning and Training:

  • - Pinch back growing tips regularly to encourage bushiness
  • - Trim to maintain desired shape and size

Additional Pest Management:

  • - Watch for common pests like aphids, mealybugs, and spider mites
  • - Monitor for diseases such as leaf spot and root rot

Light Requirements:

  • - Needs at least 4 hours of direct sunlight daily for best color development

Temperature Tolerance:

  • - Can tolerate heat but may require more frequent watering

Companion Plants for Alternanthera:

  • - Coleus: These colorful foliage plants complement Alternanthera's vibrant leaves
  • - Petunias: Beautiful flowering annuals that provide abundant blooms throughout the season
  • - Euphorbia: Adds interesting texture and complements Alternanthera's growth habit
Attribute name Attribute value
Plant Characteristics
Height Category Tall
Mature Spread 2-3 feet
Habit Upright
Foliage Color Purple
Features Heat tolerant
Garden Styles Container Garden, Cottage Garden, Tropical Garden
Plant Used for Aesthetic Appeal, Borders and Edging, Focal Point, Texture
Pet Friendly Yes
Tolerates Clay soil, Sandy soil

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Top Reviews

must have

the must plant to have in your garden

From anonymous | November 03, 2021


beautiful plant!

Though I haven't had a chance to plant it yet, my Alternanthera arrived in great condition and perked right up just a couple hours after opening it.

From James | August 13, 2012


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