A mat forming, low growing perennial with small, spoon-shaped silver-grey, woolly leaves and masses of tiny, fluffy white flowers from June to August. Perfect for growing in rockeries or the edge of borders. Height 15cm. Spread 45cm. Full sun. Hardy.
Antennaria dioica ‘Alba’ is a hardy, low-growing perennial admired for its mat-forming habit, silvery woolly foliage, and fluffy white flowers. Ideal for rockeries or edging borders, this versatile plant adds charm to sunny spots. Follow this planting guide to ensure your Antennaria thrives in your garden.
PLANTING and AFTERCARE GUIDE
Best Planting Time
Spring: Plant Antennaria dioica ‘Alba’ in spring when the soil begins to warm. This gives the roots time to establish before summer blooms.
Autumn: Alternatively, planting in early autumn allows the plant to settle before winter, promoting better growth the following season.
Site Selection
Sunlight: Choose a sunny location for Antennaria dioica ‘Alba.’ This perennial thrives in full sun and rewards with vibrant foliage and flowers.
Soil: Antennaria requires well-draining soil. If necessary, amend heavy soils with grit or organic matter to improve drainage.
Planting Instructions
Prepare the Area: Clear the planting site of weeds and loosen the soil. For rockeries or borders, ensure the soil is free-draining.
Enrich the Soil: Mix in compost or grit to improve soil quality and drainage, which is crucial for Antennaria.
Planting: Dig a hole slightly larger than the root ball. Place your Antennaria at the same depth it was growing in its pot. Gently backfill, firming the soil around the base.
Water Well: Water thoroughly after planting to help the soil settle and encourage strong root development.
Watering Requirements
During Growth: Antennaria dioica ‘Alba’ is drought-tolerant once established but requires regular watering during dry periods in its first growing season.
Established Plants: Water sparingly, allowing the soil to dry out between sessions. Avoid waterlogged conditions to prevent root rot.
Feeding
Spring Feeding: Apply a light dressing of general-purpose fertiliser in early spring to support healthy foliage and flower production.
Minimal Needs: Antennaria is a low-maintenance plant and generally thrives without frequent feeding.
Pruning and Maintenance
Deadheading: Remove spent flowers to keep Antennaria dioica ‘Alba’ looking tidy and to encourage new blooms.
Trimming: In late autumn or early spring, trim back any dead or damaged foliage to maintain the plant’s compact shape.
Mulching
Spring Mulch: Apply a thin layer of gravel or grit around the base of Antennaria dioica ‘Alba’ in spring. This helps retain moisture, suppress weeds, and enhances the plant’s appearance in rockeries.
Winter Protection: While hardy, mulch can help insulate the roots in particularly exposed areas.
Supporting Antennaria dioica ‘Alba’
Wind Protection: Although compact, Antennaria dioica ‘Alba’ appreciates shelter in windy areas to prevent disturbance of its delicate flowers.
Final Tips
Antennaria dioica ‘Alba’ is a resilient, low-maintenance perennial perfect for sunny borders, rockeries, or as ground cover. With its silvery foliage and delicate white blooms, Antennaria adds texture and charm to any garden. By planting in well-drained soil and providing plenty of sunlight, Antennaria dioica ‘Alba’ will flourish and enhance your outdoor space with its unique beauty.
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