Hypericum kalmianum 'Blue Velvet'

£17.99
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Hypericum kalmianum 'Blue Velvet' is a compact, deciduous shrub grown for its attractive blue-green leaves and cheerful summer flowers. In early to mid-summer, bright yellow blooms are produced in abundance, standing out clearly against the dark foliage. Naturally well-shaped and easy to manage, this variety requires little maintenance once established. Its hardiness and adaptability make it well suited to borders, containers, and exposed garden positions, offering dependable colour and structure in UK gardens.

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Key Features

Plants by type
  • Shrubs
Flower Colour
  • Yellow
Eventual Height
  • 0.5-1m
Flowering Month
  • July
  • August
  • September
Planting Position
  • Full sun
  • Part shade
Features
  • semi-evergreen
  • Summer flowering
  • Loved by pollinators

How to care for Hypericum kalmianum 'Blue Velvet'

Light:
Best grown in full sun or light shade. Flowering and compact growth are strongest in a bright, sunny position.

Soil:
Thrives in well-drained soil and adapts to most garden soil types, including clay, provided excess water can drain away.

Water:
Keep watered during the first season while roots establish. Once established, it copes well with occasional dry spells.

Pruning:
Trim lightly in early spring to tidy the plant and encourage new growth. Avoid cutting back into older woody stems.

Hardiness:
Fully hardy across the UK and suitable for exposed sites, including coastal gardens.

Feeding:
Feeding is rarely necessary. A light spring mulch or general-purpose fertiliser is sufficient if growth is weak.

Notes

Compact deciduous shrub with a rounded, bushy habit

Valued for its distinctive blue-green foliage

Produces bright yellow flowers in early to mid-summer

Maintains a neat shape with minimal pruning

Ideal for borders, containers, and smaller gardens

Tough, reliable, and low maintenance

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