Hydrangea - Knowledgebase Question

Hortonville, WI
Question by jjhen
September 6, 2006
I am looking for hydrangea to plant with large white blossoms that are long lasting. Do any of those also have oak shaped leaves?


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Answer from NGA
September 6, 2006

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In your winter hardiness zone 4, the only reliably hardy hydrangeas would be Hydrangea arborescens and Hydrangea paniculata. Hydrangea arborescens resembles the bigleaf hydrangea however its blooms are white. This is a lower growing plant that is cut back to the ground each winter. Here is information about a cultivar named "Annabelle" which has bigger blooms than the species. You may need to cut and paste the complete url into your browser ot make it work correctly.

http://www.mobot.org/gardening...

Hydrangea paniculata also has white blooms that last quite a long time, the plant is a woody shrub and requires little pruning. You may know it as PeeGee hydrangea but there are numerous cultivars on the market.

Here are photos of one.

http://www.mobot.org/gardening...

The leaves of the above are not shaped like oak leaves; that plant would be the oak leaf hydrangea or Hydrangea quercifolia. It is not winter hardy in your area.

I hope this helps.

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