Hydrangea arborescens 'Pink Annabelle', also known as Invincibelle Spirit II hydrangea, is a beautiful and popular cultivar of the smooth hydrangea, prized for its large, showy flower heads and attractive pink coloration. This deciduous shrub features strong, upright stems that support abundant, rounded flower heads. The blooms emerge a deep pink and gradually fade to a lighter pink as they mature, providing a long-lasting display of colour throughout the summer. It's a fantastic choice for borders, cottage gardens, and even as a cut flower, adding a touch of romance and charm to any setting. It belongs to the Hydrangeaceae family.
Origin: Hydrangea arborescens is native to the eastern United States. 'Pink Annabelle' is a cultivar developed for its vibrant pink flower colour and improved hardiness.
Light: Hydrangea arborescens 'Pink Annabelle' thrives in partial shade to full sun. It prefers a location with morning sun and afternoon shade, especially in hotter climates.
Water: Water regularly, especially during dry periods. Hydrangeas prefer consistently moist, well-drained soil. Avoid overwatering, which can lead to root rot.
Soil: Hydrangea arborescens 'Pink Annabelle' prefers fertile, well-drained soil that is rich in organic matter. It can tolerate a range of soil pH, but prefers slightly acidic to neutral conditions.
Fertilising: Feed your Hydrangea arborescens 'Pink Annabelle' with a slow-release fertiliser for flowering shrubs in spring.
Pruning: Prune your Hydrangea arborescens 'Pink Annabelle' in late winter or early spring. You can cut back the previous year's stems to about 15-20cm (6-8 inches) from the ground to encourage new growth and larger flower heads.
Pests and Diseases: Keep an eye out for common pests such as aphids and spider mites. Powdery mildew can also be a problem in humid conditions.
Uses: Hydrangea arborescens 'Pink Annabelle' is primarily grown as an ornamental shrub for its showy flower heads and attractive pink colour. It's a popular choice for borders, cottage gardens, and as a cut flower for bouquets and arrangements.
Toxicity: Hydrangeas contain cyanogenic glycosides, which can be toxic if ingested in large quantities. It's best to keep them away from children and pets.