Hydrangeas - Knowledgebase Question

Lumberton, Ne
Question by mszt28
June 7, 2008
I kep them in pots for two years. During the winter they remain in the garage. Leaves are starting to come back. When should I take them out of the pots to put in the ground. Last year they bloomed once and didn't bloom again for the summer.


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Answer from NGA
June 7, 2008

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Start by making sure that the hydrangeas you have are winter hardy in your area before you set them in the ground. The big leaf hydrangea (the ones with blue or pink flowers) are not winter hardy in your region and if you plant them outside they will die down to the ground in the winter. Since these types of hydrangeas flower on new shoots which develop on old wood, they won't flower for you. If your hydrangeas are white flowering, they are probably winter hardy in your region. They bloom on both old and new wood so even if they die down to ground level each year they will still bloom in the summer.

If the plants are winter hardy, find a site with morning sun and afternoon shade; amend the soil with compost prior to planting to help hold moisture. Water them well after replanting and water deeply once or twice a week (depending upon weather). They should show lots of new growth once the roots become established and they should flower for you next summer. Enjoy!

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