Q.How To Encourage More Blooms On Calibrachoa Potted Plant
The plant has stopped blooming after three weeks. Will cutting it back encourage more blooms, or is it done for the season?
Certified GKH Gardening Expert
This could be an indication that something is off in the soil.
They will, usually, bloom all season until winter. They are also self cleaning, which will mean that they do not require any pruning.
I would test the soil for nutrient deficiencies, or pH imbalances. These articles will help:
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