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Annabelle Hydrangea

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Hydrangea arborescens ‘Annabelle’ (Annabelle Hydrangea) – This hardy and showy shrub features enormous ball-shaped white flower heads in mid-summer that last for a long time. It is best if treated like a perennial and pruned to a few inches from the ground in spring, as it blooms on new growth. It has a somewhat coarse appearance but makes a stunning statement in the garden.

Characteristics

Average Landscape Height:
4 feet
Average Landscape Width:
5 feet
Growth Rate:
fast
Genus:
Hydrangea
Species:
arborescens
Cultivar:
Annabelle
Flower Color:
white
Flower Period:
from mid to late summer
Summer Foliage Color:
forest green
Minimum Light:
shade
Maximum Light:
full sun
Minimum Moisture:
average
Maximum Moisture:
moist
Plant Form:
round
Canopy:
leggy
Pruning:
late winter pruning
Pollution Tolerance:
high
Other Species Names:
Hills of Snow Hydrangea, Snow Hills Hydrangea
Branching:
multi-stemmed

Ornamental Features

Annabelle Hydrangea features bold balls of white flowers at the ends of the branches from mid to late summer. The flowers are excellent for cutting. It has forest green deciduous foliage. The heart-shaped leaves do not develop any appreciable fall color.

Landscape Attributes

Annabelle Hydrangea is a multi-stemmed deciduous shrub with a more or less rounded form. Its strikingly bold and coarse texture can be very effective in a balanced landscape composition.

Planting & Growing

Annabelle Hydrangea will grow to be about 4 feet tall at maturity, with a spread of 5 feet. It tends to be a little leggy, with a typical clearance of 1 foot from the ground. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 20 years.

This shrub performs well in both full sun and full shade. However, you may want to keep it away from hot, dry locations that receive direct afternoon sun or which get reflected sunlight, such as against the south side of a white wall. It prefers to grow in average to moist conditions, and shouldn't be allowed to dry out. It is not particular as to soil type or pH. It is highly tolerant of urban pollution and will even thrive in inner city environments. Consider applying a thick mulch around the root zone in winter to protect it in exposed locations or colder microclimates. This is a selection of a native North American species.

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