Hydrangea anomala subsp. petiolaris

Hydrangea anomala subsp. petiolaris

Climbing hydrangea

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Key Information

  • Botanical name: Hydrangea anomala subsp. petiolaris
  • Common name: Climbing hydrangea
  • Plant type: Climber
  • Evergreen/Deciduous: Deciduous

Height: 15m

Spread: 5m

Flower colour:
  • White
Foliage colour:
  • Green
  • Features: Flowers

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Climbing hydrangea, Hydrangea anomala subsp. petiolaris, is a useful low-maintenance climber, perfect for a shady or north-facing wall. It's slow to get going, often making little new growth in the first few years. However, it's well worth the wait. In midsummer it bears huge, white lacecap-style hydrangea flowers, which can almost completely cover the stems. The craggy stems cling to the walls by adventitious roots. The Royal Horticultural Society has given it its prestigious Award of Garden Merit (AGM).

Grow Hydrangea anomala subsp. petiolaris in moist but well-drained soil in shade or partial shade. Plants grow well in sunnier locations but the flowers don't last as well as in shadier sites.

Position

  • Sun exposure: Full sun, Dappled shade, Partial shade, Full shade
  • Aspect: North facing, East facing, South facing, West facing
  • Position in border: Middle, Back
  • Hardiness: Hardy
  • Maintenance: Prefers rich soil
  • Soil type: Well drained/light/sandy, Clay/heavy/moist, Chalky/alkaline, Acidic

Wildlife

Attracts:
  • Bees

  • Beneficial insects

  • Birds

  • Butterflies / Moths

  • Other pollinators

Care routine

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Take cuttings
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Prune
Prune
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Toxicity

Toxic to:
  • People

  • Cats

  • Dogs

  • Birds

  • Horses

  • Livestock

  • Effects: Purgative if ingested

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