How To Care For Hydrangeas Zone 5. These tips provide all you need to know about how to care for hydrangeas. In zone 5 Mophead hydrangeas can grow in full sun but in this case you should water them more often.
Hydrangea quercifolia Oakleaf hydrangea Photo credit. These tips provide all you need to know about how to care for hydrangeas. The same care and pruning as Bigleaf Hydrangea should be applied to the Mountain hydrangea.
Plan to water your hydrangeas.
Plan to water your hydrangeas. How a hydrangea blooms also depend on pruning. It should be planted in a location that receives at least four hours of sun a day for most of the spring and summer. Panicle hydrangeas are solid to Zone 3.