'Annabelle' Hydrangea
Hydrangea arborescens 'Annabelle'Annabelle Hydrangea (Hydrangea arborescens ‘Annabelle’) is one of the most iconic flowering shrubs, prized for its enormous, perfectly rounded clusters of pure white blooms. From early summer into fall, this hydrangea produces showy flower heads that can reach up to 12 inches across, creating a striking display of soft, glowing beauty in the landscape. Its blooms appear on new wood, ensuring consistent flowering each year, even after harsh winters. The plant’s lush green foliage provides a fresh backdrop that highlights its luminous blossoms, making it a favorite for both formal and cottage-style gardens.
This versatile and dependable shrub thrives in partial shade but also tolerates more sun with adequate moisture. Annabelle is incredibly adaptable, performing well in a wide range of soil types and garden settings. Its rounded, graceful form works beautifully in borders, foundation plantings, mass plantings, and naturalized areas. Whether used as a standalone specimen or grouped for dramatic impact, Annabelle Hydrangea delivers elegance, reliability, and season-long charm that brightens any outdoor space.
Care Instructions
Planting
Plant in partial shade for best performance, though full sun is tolerated with consistent moisture. Space plants to allow airflow and room for mature growth.
Watering
Water deeply and regularly, especially during hot or dry periods. Maintain evenly moist soil to support large, healthy blooms.
Pruning
Prune in late winter or early spring. Since it blooms on new wood, cut back stems to 12–18 inches to encourage strong new growth and larger flowers.
Pest Control
Generally low-maintenance, but watch for aphids or leaf spot. Improve airflow and treat with insecticidal soap or horticultural oil if needed.
Soil Tips
Prefers rich, well-drained soil. Add compost annually to improve fertility and moisture retention. Mulch to keep roots cool and reduce watering needs.
