Hollyhock not blooming

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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1 Comment To "Hollyhock not blooming"

#1 Comment By Downtoearthdigs On 07/18/2016 @ 8:51 pm

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.

https://www.gardeningknowhow.com/ornamental/flowers/hollyhock/tips-on-hollyhocks-growing-hollyhocks-successfully.htm ^[1]

https://www.gardeningknowhow.com/ornamental/flowers/foxglove/foxglove-flowers.htm ^[2]

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/bone-meal-fertilizer.htm ^[3]

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[1] https://www.gardeningknowhow.com/ornamental/flowers/hollyhock/tips-on-hollyhocks-growing-hollyhocks-successfully.htm: https://www.gardeningknowhow.com/ornamental/flowers/hollyhock/tips-on-hollyhocks-growing-hollyhocks-successfully.htm

[2] https://www.gardeningknowhow.com/ornamental/flowers/foxglove/foxglove-flowers.htm: https://www.gardeningknowhow.com/ornamental/flowers/foxglove/foxglove-flowers.htm

[3] https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/bone-meal-fertilizer.htm: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/bone-meal-fertilizer.htm

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