Q.I Have A Agapanthus Plant In A Pot Outside. I Take It In For The Winter & Follow Instructions For Winterizing. The Plant Is Aliv
e & well but I\’ve had it for two summer seasons now & have yet to have any flowers! Any advice?
Certified GKH Gardening Expert
Usually, a lack of flowers will indicate a lack of phosphorus and potassium, or too much nitrogen present in the soil. There are a few other factors that could be the issue, but testing for soil nutrient imbalances will be the first thing that I would recommend.
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-moisture-in-plants.htm
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
This collection of articles will help you with the care of Agapanthus:
https://www.gardeningknowhow.com/ornamental/bulbs/agapanthus