Failure Of Rosa Rugosa To Flower?

Question

Have a hedge which contains 4 rosa rugosa bushes, about 10 years old-yellow and cream varieties. They were trimmed back to about 4 feet two years ago, one though – has failed to produced flowers – or hips since, Although now 7 foot high and vigorous there is no sign of buds on this one – the others are Ok. solution?

Answer 1

This article should help:

https://www.gardeningknowhow.com/ornamental/flowers/roses/no-blooms-on-roses.htm