Avoid powdery mildew (a fungus that resembles dust) by not over-fertilizing. It can be treated with insecticidal soap, which, when used, should be sprayed all over the plant. If a fungicide is needed, ...

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 ...

Potted hydrangeas can be tricky to keep alive. Here's why yours keep dying and how you can properly care for them to avoid any further problems.

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.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images/Alex Manders If you want healthy hydrangeas and the best blooms this ...

A Foolproof Guide to Growing Hydrangeas That Actually Last. Dorothy Scarborough. 4 July 2025 at 10:00 am ... They can thrive both indoors and outdoors. Indoors, they should be in indirect light, ...

Where do hydrangeas grow best? They can thrive both indoors and outdoors. Indoors, they should be in indirect light, ideally in south-facing windows. Outdoors, they thrive with some shade. Morning sun ...