Can Indoor Hydrangea Be Planted Outside?

It can be planted outdoors after all chance of frost is past if you live in Zone 6 and south. (It's worth trying in Zone 5, too. Just plant the hydrangea in a protected place.) Outdoors, these old-fashioned charmers like to grow in partial sun.

Can you put an indoor hydrangea outside?

Mophead hydrangeas are hardy and can be grown outdoors wherever the winter temperature stays above -15ºC (5ºF). However, potted hydrangeas sold as houseplants will have been produced in greenhouses and fed to encourage them to flower early, so they will need time to adjust to life outdoors before being planted out.

When can I put my potted hydrangea outside?

It is always best to plant the potted hydrangea outdoors whenever possible. It should only be planted outdoors in early to mid summer as it needs time to acclimate to outdoor conditions before winter arrives.