Hydrangea
How far apart to plant hydrangeas, how many fit your bed, when to plant them and how many you need.
- In the row
- 36 to 72 in
How many fit a raised bed
| Bed | At 54 in spacing |
|---|---|
| 4 x 4 ft | 0 |
| 4 x 8 ft | 0 |
| 3 x 6 ft | 0 |
Square grid with half the spacing kept clear at the bed edges.
Spring or fall is the best time to plant; dig the hole two to three times as wide as the root ball but no deeper than its height.
Spacing depends on the species: bigleaf and smooth hydrangeas need 3 to 6 ft, panicle and oakleaf 6 to 12 ft.
Hydrangea calculators
Sources
- Hydrangea macrophylla (Bigleaf Hydrangea), NC State Extension Gardener Plant Toolbox
- Hydrangea Care in South Carolina (HGIC 1067), Clemson Cooperative Extension, Home & Garden Information Center
- Hydrangea arborescens (Smooth Hydrangea), NC State Extension Gardener Plant Toolbox
- Hydrangea paniculata (Panicle Hydrangea), NC State Extension Gardener Plant Toolbox
- Hydrangea quercifolia (Oakleaf Hydrangea), NC State Extension Gardener Plant Toolbox