Phlomis Russeliana

I have grown some phlomis russeliana from hardy plant society seeds. The plants are about 4 years old. Last year they both flowered for the first time. This year only one of the plants has flowered.

I also help look after some more phlomis russeliana in our community park garden and again the flowering has been patchy.

I live in Sheffield and it has been very dry for months. Though I have watered the phlomis.

I am wondering whether to lift and divide the non-flowering patches in the autumn?

What things can I do that would help or hinder flowering?

We have discussed you problems with your Phlomis and it’s reluctance to flower. It is a very tough plant, that will grow almost anywhere. You could try dividing it, and if your soil is heavy, adding some grit. Also it does not really need frequent watering once established. They can be reluctant to flower some years, so we suggest that , as long as the plant is healthy, there is not much else you can do. Sorry about that, and hope for better flowers next year.