Hydrangea arborescens 'Annabelle' (Annabelle Smooth Hydrangea)
Michael's Opinion
A stalwart in the garden this reliable performer is easy to grow and is a refreshing highlight during the 'dog days' of August. An A+ plant.
Botanical Information
| Family | Hydrangeaceae (Saxifragaceae) |
| Genus | Hydrangea |
| Species | arborescens |
| Cultivar | 'Annabelle' |
| Category | Woody |
| Type | Shrub (deciduous) |
| Origin | Naturally occurring, discovered in the early 1900s by a Mrs. Kirkpatrick, who noticed the unusual round-headed white flower clusters while horseback riding through the hills of Anna, Illinois, in the United States of America. Introduced by Joe McDaniel. |
Details
| USDA Hardiness Zone | 3 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 4 |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H7 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -21 - (-15) |
| Temperature (°F) | -5 - 5 |
| Height | 1 - 1.5 m |
| Spread | 1 - 1.5 m |
| Growth | Fast |
| Flowering Period | June, July, August |
Description and Growing Information
| General Description | Hydrangea arborescens 'Annabelle' is a small, bushy deciduous shrub with broadly oval, serrated leaves and large spherical clusters of white sterile flowers. |
| Cultivation | Grow in full sun to part shade, in moderately moist, well-drained soil. Prune close to the ground in late winter to encourage new growth and flowering the following season. Flowers emerge on new wood. |
| Pests | No serious pests or diseases of note. This particular cultivar has shown resistance to mildew, bacterial wilt, leaf spot and bud blight. |
| Leaf Description | Broadly oval, dark green, margins serrate, 7.5 - 20 cm long. |
| Flower Description | Small, sterile, white flowers in large spherical heads 20 - 30 cm in diameter. |
Photographs
Foliage colour in autumn.
Foliage colour in autumn.
Awards
