Anonymous added on July 27, 2015 | Answered

Last year my double hollyhocks bloomed for the first time (2nd yr. plants) and were huge pom-pom blooms - just gorgeous. This year they bloomed as singles. What happened??

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Certified GKH Gardening Expert
Answered on July 27, 2015

This happens because many hollyhocks are biennials and often hybrids as well. The plants you planted actually have died. What you are seeing now is their offspring. Because the original plants were hybrids, their offspring will revert to the look of one of the parents of the plant you originally planted. It is one way that some seed companies guarantee that you will be back to buy more - if you want holly hocks that look like the original ones you planted.

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