Q.Why My Various Fruit Shrubs Have Never Flowered
I bought gooseberry, raspberry and red currant fruit shrubs but they have never flowered or produced fruit in five years, but very sturdy plants
Certified GKH Gardening Expert
If all are experiencing the same symptoms, then it is likely a soil nutrient issue.
Soil that contains too much nitrogen, and not enough phosphorus and potassium or that has a pH imbalance, can cause flowering and fruiting issues.
If there are no other symptoms, then these parameters are likely imbalanced. These articles will help you to test for deficiencies and pH imbalances:
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm