Hydrangea macrophylla 'Blue Heaven'
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Hydrangea macrophylla 'Blue Heaven'

Blue Heaven Hydrangea, Bigleaf Hydrangea 'Blue Heaven', Hydrangea 'Blue Heaven', Forever & Ever Series


Hydrangea macrophylla 'Blue Heaven' is a bushy deciduous shrub boasting large, bright blue flower heads. Flowering from early summer until frost, this bigleaf hydrangea is a prolific reblooming hydrangea, as it blooms on both old and new growth. Even if old growth buds are winter damaged, the plant still flowers in summer on new growth. The foliage is dark green with large, glossy, serrated leaves. Compact, this elegant mophead hydrangea creates drama in the garden. Perfect to create a lovely hedge or use as a specimen or accent for foundations and other locations near homes or patios.

  • Grows up to 60 in. tall (150 cm) and 40 in. wide (100 cm).
  • A sun to part shade lover, it is best grown in rich, medium moisture, well-drained soils. Full sun is tolerated if constant moisture is provided.
  • Perfect from foundation plantings to container plantings. Massed in a sheltered location or as an accent plant
  • Remove spent flowers to promote new blooms.
  • Keep an eye out for aphids, capsid bug, red spider mite, stem and bulb eelworm, vine weevil, scale insects, honey fungus, gray moulds, powdery mildews, leaf spot.
  • To change the color of your Hydrangea, add aluminum sulfate to the soil to make the flowers bluer or add lime to the soil to make them pinker. Treatment should occur ahead of time (late fall or early spring)
  • This beautiful deciduous shrub should be pruned after flowering by cutting back the stems to a pair of healthy buds. Prune out weak or winter-damaged stems in early spring.
  • Propagate by softwood cuttings in early summer, or by hardwood cuttings in winter.
  • Hydrangea macrophylla species is native to Japan. It is reported from seaside habitats as well as mountains in Japan, from Honshu southwards. This species has naturalized in China, New Zealand and the Americas.
  • May cause mild stomach upset if ingested, contact with foliage may aggravate skin allergies. Wear gloves and other protective equipment when handling.
  • Toxic to dogs, toxic to cats, toxic to horses.

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Requirements

Hardiness 6 – 9
Heat Zones 6 – 9
Climate Zones 3, 3B, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, H1
Plant Type Shrubs
Plant Family Hydrangeas
Exposure Full Sun, Partial Sun
Season of Interest Summer (Early,Mid,Late)
Fall
Height 4' – 5' (120cm – 150cm)
Spread 4' – 5' (120cm – 150cm)
Spacing 60" – 72" (150cm – 180cm)
Water Needs Average
Maintenance Low
Soil Type Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Cut Flowers, Showy
Garden Uses Beds and Borders, Hedges and Screens, Patio and Containers
Garden Styles City and Courtyard, Informal and Cottage, Traditional Garden

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Concept Plants BV®

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 6 – 9
Heat Zones 6 – 9
Climate Zones 3, 3B, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, H1
Plant Type Shrubs
Plant Family Hydrangeas
Exposure Full Sun, Partial Sun
Season of Interest Summer (Early,Mid,Late)
Fall
Height 4' – 5' (120cm – 150cm)
Spread 4' – 5' (120cm – 150cm)
Spacing 60" – 72" (150cm – 180cm)
Water Needs Average
Maintenance Low
Soil Type Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Cut Flowers, Showy
Garden Uses Beds and Borders, Hedges and Screens, Patio and Containers
Garden Styles City and Courtyard, Informal and Cottage, Traditional Garden

Great Plant Combination Ideas with Hydrangeas

Guides with Hydrangeas

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