Hydrangea arborescens ‘Annabelle’. This popular shrub is grown for its huge globes, topped with white sterile flowers, opening in white, then fading to lime-green. In autumn the colour of the flower clusters changes to brown.
Hydrangea arborescens ‘Strong Annabelle’
Hydrangea arborescens ‘Strong Annabelle’ is the stronger form of Hydrangea a. ‘Annabelle’.
Hydrangea arborescens ‘Pink Annabelle’
For attractive pink flower heads try Hydrangea arborescens ‘Pink Annabelle’, also known as Hydrangea ‘Invicibelle Spirit’
Pruning Hydrangea arborescens ‘Annabelle’ (Sevenbark). Cut back the previous year’s flowered stems to 20-30cm above the ground in March.
If the flower heads of ‘Annabelle’ look tatty at the end of the season, you can also prune the plant in late autumn.
How to keep ‘Annabelle’ from flopping over.
The huge flower heads of Hydrangea a. ‘Annabelle’ have a tendency to flop over. What can you do about it. The harder it is pruned, the bigger its flowers will be.
So prune ‘Annabelle’less hard in March. Cut back the flowered stems to approximately 60-70cm above ground level and the plant will produce smaller flowers, reducing the risk the globes will fall over in the growing season.
Or stake Hydrangea a. ‘Annabelle’ with a border plant support before the flowers appear.
Keep Hydrangea ‘Annabelle’ upright Plant support Hydrangea ‘Annabelle’
Hydrangea a. ‘Annabelle’ likes moist, well-drained soil. Don’t let the plant dry out, especially during the summer season. Water thoroughly, if conditions are dry.