An erect perennial with stout stems carrying clusters of large, lilac-purple, daisy-like flowers with deep purple centres over low rosettes of spiky, woolly leaves. Height 60cm. Spread 45cm. Flowers July to September. Full sun, well-drained soil. Attracts bees and butterflies. Hardy.
Berkheya purpurea is a striking perennial that adds a dramatic flair to any garden with its lilac-purple, daisy-like blooms and spiky, woolly foliage. This hardy plant is ideal for sunny locations and thrives in well-drained soil. Follow this comprehensive guide to ensure Berkheya purpurea flourishes in your garden.
PLANTING and AFTERCARE GUIDE
Best Planting Time
Spring Planting: Plant Berkheya purpurea in spring when the soil is warming up. This allows the roots to establish before the growing season begins, ensuring a healthy and vigorous plant.
Autumn Planting: Alternatively, plant in early autumn to let Berkheya purpurea settle before dormancy. This encourages strong growth for the following year.
Site Selection
Sunlight: Berkheya purpurea thrives in full sun but can tolerate partial shade. Choose a location that receives at least 6 hours of direct sunlight daily for the best blooms.
Soil: This plant requires well-drained soil to prevent waterlogging, which can harm the roots. Adding organic matter such as compost improves drainage and boosts soil fertility.
Planting Instructions
Prepare the Hole: Dig a hole twice the width of the root ball and equal in depth. This allows the roots of Berkheya purpurea to spread comfortably.
Soil Preparation: Incorporate organic compost or well-rotted manure into the soil to improve fertility and structure.
Planting: Position Berkheya purpurea so the top of the root ball is level with the surrounding soil. Backfill gently, firming the soil to remove air pockets.
Watering: Water thoroughly after planting to help settle the soil and establish the roots.
Watering Requirements
Growing Season: Once established, Berkheya purpurea is relatively drought-tolerant. Water during dry spells, allowing the soil to dry slightly between sessions.
Dormant Season: Reduce watering significantly during dormancy. Only water if the soil becomes excessively dry.
Feeding
Early Spring: Apply a balanced fertiliser in early spring to promote healthy growth and vibrant blooms.
Mid-Summer: A second feeding in mid-summer can encourage prolonged flowering and ensure the plant remains vigorous.
Pruning
Deadheading: Regularly remove spent flowers to encourage new blooms and keep Berkheya purpurea looking tidy throughout the season.
Autumn Pruning: After the flowering season ends, cut the plant back to its base to prepare it for dormancy.
Mulching
Spring Mulching: Apply a layer of organic mulch around the base of Berkheya purpurea in spring. This helps retain moisture, suppress weeds, and regulate soil temperature.
Winter Mulching: Add a protective layer of mulch in winter to insulate the roots and prevent frost damage.
Supporting the Plant
Berkheya purpurea has sturdy stems, but in windy areas, consider staking to prevent the tall stems from bending or breaking.
Final Tips
Berkheya purpurea is a hardy, low-maintenance perennial that attracts bees and butterflies to your garden, making it both beautiful and beneficial. By planting it in a sunny, well-drained location and following these care tips, Berkheya purpurea will reward you with its stunning blooms from midsummer to early autumn. Add this unique plant to your garden for a standout feature that thrives year after year!
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