Pistachio Hydrangea | Multi-colored Blooms - PlantingTree

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Pistachio Hydrangea

Hydrangea macrophylla 'Horwack' PP25577
    31 reviews
Pistachio Hydrangea
Pistachio Hydrangea
Pistachio Hydrangea
Pistachio Hydrangea
Pistachio Hydrangea
Pistachio Hydrangea
Pistachio Hydrangea
Pistachio Hydrangea
Images shown may be of mature plants.

Pistachio Hydrangea

Hydrangea macrophylla 'Horwack' PP25577
    31 reviews

Vibrant and Contrasting Color on Long Lasting Blooms

  • Rebloomer! Blooms in late spring through fall
  • Versatile in the landscape
  • Low Maintenance
  • Dwarf hydrangea - great for containers
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Product Details

growing zone 5-9 Growing Zones 5-9
Soil Type Acidic, Adaptable
Sunlight Partial
Drought Tolerance Good
Mature Height 2-3 Feet
Mature Width 3-4 Feet
Bloom Color Pink
Shipping Restriction AZ

The Pistachio Hydrangea is an exciting rebloomer that offers absolutely stunning color combinations from late spring to fall. The vibrant blooms open chartreuse green with hints of pink. As the flower matures the pink deepens to a violet red and takes over holding onto highlights of chartreuse-green.

A small blue eye in the center of each flower is the cherry on top of this colorful plant sundae. The Pistachio is a fast-growing dwarf hydrangea that maintains a compact size and shape. Great for tight and shady spots, this vibrant flowering bush is a real champion.

Key Features

  • Long bloom season. You will enjoy months of showy blooms on this compact mophead hydrangea. The Pistachio Hydrangea blooms from late spring until frost.
  • Fantastic color. The flowers of this hydrangea offer inspiring contrast, boasting shades of green, pink, red, purple, and blue.
  • Shade lover. The Pistachio Hydrangea prefers some shade. This is great news for those with a boring shady spot that needs some exciting flower power..
  • Low maintenance. The Pistachio hydrangea doesn’t require pruning or have any serious disease or insect problems
  • Great for containers. With a mature height of 3 feet and a width of 3 to 5 feet this compact hydrangea is great for planters.
Pro Tip: Because the Pistachio Hydrangea blooms on both new and old wood it blooms reliably year after year even after the harshest winter. You never have to worry about missing a year of blooms with the Pistachio Hydrangea shrub.

Pistachio Hydrangea FAQ

Where Is The Best Place To Plant This Shrub?

Plant this adaptable hydrangea in a spot that has slightly acidic soil and gets part shade sun exposure in grow zones 5-9.

Why Is My Pistachio Hydrangea Not Blooming?

Hydrangeas not blooming correctly could be from improper pruning the year before, improper fertilization, or the plant not being in a good location.

What Are Good Companion Plants For This Hydrangea?

Hostas, viburnum, and loropetalum all do well paired with this shrub. Plant in groups or masses, in perennial and shrub borders, foundation plantings, or as a specimen, screen, or hedge.

Pistachio Hydrangea Care


Spring and fall are the best times to plant Hydrangeas. Dormant hydrangeas can be planted in winter in areas where the ground is diggable. Areas with mild summers can plant at that time.

The Pistachio hydrangea enjoys part sun to shade and moist, well-drained, fertile soil.


Keep the soil moist, but not saturated, especially in summer and in the first year after planting. Throughout its life this hydrangea will do best with a deep watering once weekly during hot temperatures.

Applying mulch at about 2 inches deep is highly recommended for hydrangeas. Mulching will cut back on watering needs and protect your plant in extreme temperatures.


Fertilize in spring with a slow release fertilizer for best results.


You don’t need to prune this hydrangea, but pruning after they are done blooming can help encourage a bushier growth and renew an older plant.

The best way to prevent disease and pests is by providing the appropriate care for your plants. Proper location choice, watering, and fertilization are the keys to success.

The Pistachio Hydrangea tends to be pest and disease resistant.

Landscape ideas

The Pistachio Hydrangea is very versatile in the landscape. 

Plant this distinctive shrub in groups or masses, in perennial and shrub borders, foundation plantings, or as a specimen, screen, or hedge. 

This dwarf hydrangea is perfect in containers. 

Use the flowers in fresh or dry cut flower arrangements.  

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