10 year old bottlebrush in west facing garden. about six feet tall but no flowers and the beast from the east slaughted it. coming
back at base with new shoots no flowers and just looks tired and woody. never any flowers. London clay soil and inside protected wall garden. danny. firstname.lastname@example.org
Certified GKH Gardening Expert
This is considered a heavy feeder. It will be necessary to fertilize at least once per year for best results of show of flowers. It can be necessary, also, to prune and maintain it.
This article will help: https://www.gardeningknowhow.com/ornamental/shrubs/bottlebrush/growing-bottlebrush-plants.htm