Alternanthera Dentata - Purple Knight

Pot Size - 14cm

Alternanthera dentata ‘Purple Knight’ – Dark Foliage Beauty

💜🌿✨

The Alternanthera dentata ‘Purple Knight’ is a bold foliage plant, admired for its deep burgundy-purple leaves that add drama and contrast to gardens, borders, and containers. Its vibrant colour holds strong throughout the season, making it an eye-catching choice for both indoor displays and outdoor planting in summer.

Key Features:

✔ Striking dark purple foliage for bold contrast

✔ Fast-growing and great for borders, bedding, or pots

✔ Can be grown as a seasonal outdoor plant or indoor accent

✔ Low-maintenance and highly decorative

✔ Excellent backdrop for brightly coloured flowers

Care Instructions:

• Light: Thrives in full sun to partial shade; more sun gives richer colour

• Watering: Keep soil evenly moist; do not allow to dry out completely

• Soil: Prefers well-drained, fertile soil

• Feeding: Use a balanced fertiliser every 4–6 weeks during active growth

• Temperature: Loves warmth; ideal range is 18–30°C – treat as an annual outdoors in cooler climates

• Growth: Can reach 60–90 cm tall with a bushy spread

🌿 Tip: Pinch back tips to encourage denser growth and maintain a neat shape.