Hollyhock Not Blooming

Donobrien added on July 17, 2016 | Answered

Planted black hollyhock in spring. Nice healthy plant, yet never went vertical. What can I do? Right next to 2 nice healthy foxgloves that also did not bloom. What can I do?

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Certified GKH Gardening Expert
Answered on July 19, 2016

Hollyhocks are actually a biennial. They may not bloom every year.
Plants grown from bare roots are more reliable in blooming.
Over fertilizing with too high of nitrogen can also inhibit flowering.
You can try an application of phosphorous, with Bone Meal to promote flowering.




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