Hydrangea macrophylla Pistachio
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Hydrangea macrophylla Pistachio

Pistachio Hydrangea, Bigleaf HydrangeaPistachio, Mophead Hydrangea Pistachio, Hortensia Pistachio, Hydrangea macrophylla Glam Rock, Hydrangea macrophylla 'Horwack', Hydrangea macrophylla Schloss Wackerbarth


Prized for its kaleidoscopic blooms, Hydrangea macrophylla Pistachio is a compact, bushy, deciduous shrub boasting a profusion of multi-color domed flower clusters in shades of chartreuse green and hot pink. Colors will vary depending on the pH of the soil, being more blue in more acidic soils. Blooming on both old and new growth, this reblooming hydrangea flowers consistently and provides gorgeous flowers all summer long, as flower buds are produced not only in the fall but also in spring and summer. The flowers are borne above the handsome foliage of broadly ovate, toothed leaves. Pistachio hydrangea is great for small gardens and is the perfect size for patio containers.

  • Grows up to to 2-3 ft. tall (60-90 cm) and 3-5 ft. wide (90-150 cm).
  • Performs best in part shade in humus rich, moist, well-drained soils. Prefers morning sun and afternoon shade. Shelter from cold, drying winds. Mulch annually in spring.
  • Perfect from foundation plantings to container plantings. Massed or as an accent plant. Excellent cut flowers too!
  • 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.
  • 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.
  • 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)
  • 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 5 – 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 Partial Sun
Season of Interest Summer (Early,Mid,Late)
Fall
Height 2' – 3' (60cm – 90cm)
Spread 3' – 5' (90cm – 150cm)
Spacing 36" – 60" (90cm – 150cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Dried Arrangements, Cut Flowers, Showy
Garden Uses Beds and Borders, Patio and Containers, Small Gardens, Wall-Side Borders
Garden Styles City and Courtyard, Coastal Garden, Informal and Cottage, Traditional Garden

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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 5 – 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 Partial Sun
Season of Interest Summer (Early,Mid,Late)
Fall
Height 2' – 3' (60cm – 90cm)
Spread 3' – 5' (90cm – 150cm)
Spacing 36" – 60" (90cm – 150cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Dried Arrangements, Cut Flowers, Showy
Garden Uses Beds and Borders, Patio and Containers, Small Gardens, Wall-Side Borders
Garden Styles City and Courtyard, Coastal Garden, Informal and Cottage, Traditional Garden

Great Plant Combination Ideas with Hydrangeas

Guides with Hydrangeas

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