blooming hydrangeas? - Knowledgebase Question

Keene, Ne
Question by cmk2
July 4, 2009
Over the past three years I have planted several Endless Summer hydrangeas in my garden. They are all in the same bed, with pretty much identical conditions. All seem to be healthy and growing well, However, only two are showing flower buds. These may be the oldest ones in the garden. Does it take hydrangeas a year or two to put their roots down before they bloom?

Answer from NGA
July 4, 2009


Yes, it can take landscape plants a full year to become established before they grow and bloom well. As long as your hydrangeas are putting out new growth, they sound like they are happy and healthy. Endless Summer produces blooms on both old and new wood so yours should be blooming throughout the summer. If it is getting adequate sunshine and is regularly watered, it should produce enough new growth during the season to continually produce flowers. The only thing that might halt flower production is overfertilization. Too much nitrogen will result in lots of green growth at the expense of flowers. It's not too late in the season for your hydrangea to begin producing flowers for this season. It it doesn't, hold off on fertilizer applications (lime is okay) until your hydrangea starts blooming. Then, if you feel it really needs to be fed, use half as much fertilizer as listed on the label. This way you'll be supplying needed nutrients without the change of overdosing on nitrogen. Best wishes with your hydrangea!

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