Panicle hydrangea

Hydrangea paniculata ‘Unique’

Photo/Illustration: 
Courtesy of Bailey Nurseries
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Panicle hydrangea (Hydrangea paniculata ‘Unique’)
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Genus:  Hydrangea
'Unique' bears 8-inch-long white flower heads that fade to pinkish white. It is similar to, but more vigorous than, Hydrangea paniculata 'Grandiflora'. The cultivar name refers to the shape of the flower heads; they are broad at the base and rounded at the tip.  
Noteworthy Characteristics:  This is one of the most cold-hardy species. It may be grown as a single-stemmed specimen or as a multi-stemmed shrub. 
Care:  Grow in moist, but well-drained soil, in sun to partial shade. Blooms on current season's wood; may cut back to a few buds from a framework in spring to produce larger flowers, or alternately, allow to grow with minimal pruning.
Propagation:  Sow seed in a cold frame in spring; take softwood cuttings in early summer, hardwood cuttings in winter.
Problems:  Gray mold, slugs, powdery mildew, rust, ringspot virus, leaf spots.

Overview

Height
6 ft. to 10 ft.
Spread
6 ft. to 10 ft.
Growth Habit
Clumps
Growth Pace
Fast Grower
Light
Full Sun to Part Shade
Moisture
Medium Moisture
Maintenance
Low
Characteristics
Showy Flowers,
Showy Seed Heads
Bloom Time
Fall,
Late Summer,
Summer
Flower Color
Pink Flower,
White Flower
Uses
Beds and Borders,
Cut Flower,
Dried Flower,
Specimen Plant/Focal Point
Style
Cottage Garden
Seasonal Interest
Summer Interest
Tolerance
Frost Tolerant
Type
Shrubs

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Peegee hydrangea
Hydrangea paniculata 'Grandiflora'
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Hydrangea paniculata 'Tardiva'
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Panicle hydrangea
Hydrangea paniculata
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