Q.Hellebores Growing Outside No Flowers
would phostrogen help or replanting they are mature plants and healthy leaves

BushDoctor
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on December 20, 2021
Phosphorus may help, but be sure to measure before you add to be sure that you need it. It could be an excess in nitrogen, as well.
Here are some articles that 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
https://www.gardeningknowhow.com/ornamental/flowers/hellebore/hellebore-wont-bloom.htm
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