Potted panicle and smooth hydrangeas can be overwintered outdoors only in hardiness zones 5-9, and bigleaf and oakleaf hydrangeas in zones 7-9. Container plants will need additional protection ...

In comparison, hydrangeas for the garden usually bloom from summer to fall. If your hydrangeas aren't blooming during this ...

When growing hydrangeas in pots, start by selecting an appropriate container. If plants will be overwintered outdoors, use a frost-proof material. Good drainage is important to maintain plant health.

If you see them, it's likely an old-wood hydrangea. Other reasons for hydrangeas not blooming have to do with getting the right amount of light, water and fertiliser. 3 tips for growing hydrangeas ...