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Hydrangea arborescens 'Annablle' - Smooth Hydrangea. Photo: Missouri Botanical Gardens
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Hydrangea arborescens 'Annabelle'

Smooth Hydrangea

Hydrangea arborescens 'Annabelle' is a smooth hydrangea cultivar which features much larger flowers than the species. It is a deciduous shrub with a rounded habit which typically grows 3-5' tall. Clusters of sterile, white flowers appear in huge, symmetrical, rounded heads which typically grow 8-12" across. Blooms in June for up to two months, sometimes with a small repeat bloom in the fall. Dark green leaves. Species (Hydrangea arborescens) is native to southern Missouri. 'Annabelle' is a naturally occurring cultivar which was discovered in the wild near Anna, Illinois.

Smooth Hydrangea Growing and Maintenance Tips:

Easily grown in average, medium moisture, well-drained soils in part shade. Tolerates full sun only if grown with consistent moisture. Intolerant of drought, with foliage tending to decline considerably in dry conditions. Plants may die to the ground in harsh winters. Bloom occurs on new wood, so plants may be pruned back close to the ground in late winter to revitalize and to encourage vigorous stem growth and best form. If not pruned back, any weakened and/or damaged stems should be removed in early spring.


36-60 in



48-72 in


Hardiness Zone:

3 - 9

Characteristics & Attributes for Hydrangea arborescens 'Annabelle'

Partial Shade
Soil Moisture Preference
Critter Resistance
Rabbit Resistant
Season of Interest (Flowering)
Mass Planting
Border or Bed
Cut Flower
Dried Flower
Focal Point
Great Companion Plants for Hydrangea arborescens 'Annabelle'
False Spirea False Spirea (Astilbe 'Younique Ruby Red')
Cranesbill Cranesbill (Geranium sanguineum 'Rozanne')
Lily turf Lily turf (Liriope muscari 'Variegata')
Grass, Maiden Grass, Maiden (Miscanthus sinensis 'Gracillimus')
Similar Plants to Hydrangea arborescens 'Annabelle'
Hydrangea Hydrangea (Hydrangea macrophylla 'Inspire')
Hydrangea Hydrangea (Hydrangea macrophylla 'Love')
Hydrangea Hydrangea (Hydrangea macrophylla 'Miss Saori')
Hydrangea Hydrangea (Hydrangea macrophylla 'Onyx Peacock')