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Hydrangea arborescens ‘Grandiflora’

Seven barks

Garden

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  • Hydrangea arborescens ‘Grandiflora’ | Copyright Greenplantswap 2019
  • Hydrangea arborescens ‘Grandiflora’ | Copyright Greenplantswap 2019

Features

  • BloomsJuly to September
  • Height1.5m to 2.25m
  • Spread2m to 2.75m
  • Growth HabitBroad bushy
  • Flower ColourWhite
  • Leaf ColourMid green

Description

Hydrangea arborescens ‘Grandiflora’ (Seven barks). In mid summer to early autumn, there are large, rounded, white flowerheads with broad, oval, bright green leaves.

Characteristics

Deciduous, Fragrant

Origin

USA

Interest and use

Summer interest.

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  • Hydrangea arborescens ‘Grandiflora’ | Copyright Greenplantswap 2019
  • Hydrangea arborescens ‘Grandiflora’ | Copyright Greenplantswap 2019

Needs

  • LightPart shade
  • HardinessFully hardy (min -15°C)
  • SoilHeavy, Well drained, Light, Medium, Humus-rich
  • Soil pH7.0
  • WaterMoist

Cultivation

They are fully to frost hardy and will prefer sun or semi-shade with fertile, moist but well-drained soil. They will require more shade in dry areas; provide shelter from cold, drying winds. Some hydrangeas become chloritic in shallow chalk soil.

Propagation

Propogate by softwood cuttings in summer or seeds in spring.

Pests, diseases or disorders

Watch for powdery mildew, leaf spot, honey fungus and aphids, scale insects and red spider mites.

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