A carpet-forming perennial with mid-green leaves. Clusters of small, bright blue, tubular bells hang in sprays in May and June. Height 60cm. Spread 90cm. Sun/partial shade, moist, well-drained soil. Hardy.
Symphytum ibericum ‘Wisley Blue’ is a charming, ground-covering perennial celebrated for its bright blue bell-shaped flowers and lush mid-green foliage. Ideal for shaded or partially sunny spaces, it provides colour and structure from spring into early summer. Follow this comprehensive planting guide to help Symphytum ibericum ‘Wisley Blue’ thrive in your garden.
PLANTING and AFTERCARE GUIDE
Best Planting Time
Spring: Plant Symphytum ibericum ‘Wisley Blue’ in spring for strong root establishment ahead of the growing season.
Autumn: Early autumn is also suitable, allowing the plant to settle before winter dormancy.
Site Selection
Sunlight: Symphytum ibericum ‘Wisley Blue’ prefers partial shade but will tolerate full sun if soil moisture is consistent. It is perfect for underplanting shrubs or growing along shady borders.
Soil: Choose moist, well-drained soil. To promote healthy growth, improve heavy soils with organic matter such as compost or leaf mould.
Planting Instructions
Prepare the Hole: Dig a hole twice as wide and as deep as the root ball of your Symphytum.
Enrich the Soil: Blend compost into the soil to enhance drainage and nutrient content.
Planting: Position the plant with the crown level to the surrounding soil. Backfill gently and firm the soil to remove air pockets.
Water Well: Water thoroughly after planting to help the roots settle. Maintain moisture, especially during the plant’s first growing season.
Watering Requirements
During active growth (spring to early summer), water Symphytum ibericum ‘Wisley Blue’ regularly to keep soil lightly moist.
Once established, it is moderately tolerant of dry periods but will perform best with consistent moisture.
Feeding
Apply a balanced, slow-release fertiliser in spring as new growth appears. This supports flowering and lush foliage.
A second light feed in early summer can boost flower production.
Pruning and Maintenance
After Flowering: Remove spent flower stems to maintain a tidy appearance and encourage further blooming.
Autumn Cut-back: Cut back old foliage in late autumn or early winter to keep Symphytum ibericum ‘Wisley Blue’ compact and healthy.
Mulching
In spring, apply an organic mulch around the base of the plant. This helps retain moisture and suppress weeds.
Avoid covering the crown directly to prevent rot.
Pests and Problems
Symphytum ibericum ‘Wisley Blue’ is generally pest-free and easy to grow. Keep an eye out for excessive wetness, which can lead to root issues.
Final Tips
Symphytum ibericum ‘Wisley Blue’ makes a wonderful addition to shady borders, woodland gardens, and underplanting schemes. Its early-season flowers attract pollinators and create a soft, natural look. By providing moist, well-drained soil and regular care, your Symphytum will return year after year with reliable charm and coverage.
Plant Symphytum alongside other shade-loving perennials for a layered, lush display. With its resilience and long flowering period, Symphytum is a superb low-maintenance choice for gardeners seeking vibrant blue blooms and reliable ground cover.
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