Hydrangia Care - Knowledgebase Question

Pine Brook, NJ
Question by barefootskii
March 24, 2002
i have a number of monrovia bluebird hydrangea plants and would like to know whether you recommend cutting them down for the fall/winter or leaving them be. A number of my other perennials are beginning to show their new spring growth and i am wondering if i now need to cut down the old seemingly dead stalks from last season or if the plants will continue growing and getting larger and fuller if i leave them alone.


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Answer from NGA
March 24, 2002

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Hydrangea serrata Blue Bird blooms on wood grown the previous year, so do not prune it in the spring before bloom time or you will be cutting off the current crop of flowers. In general, hydrangea pruning is done only to remove winter killed material (this pruning can be done in the late spring once you are certain a bit is truly dead), and then possibly to thin the plant should it ever become too dense. Thinning would only be done in the summer immediately after blooming. Enjoy your hydrangea!

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