I have some fast spreading raspberry plants. I don't know the name.... they are red I have had them 4 years now and they have never produce so much as a bloom. What's wrong?
Certified GKH Gardening Expert
The most common cause is one of many incurable plant diseases. This article will help: https://www.gardeningknowhow.com/edible/fruits/blackberries/blackberries-not-fruiting.htm