Q.My bottle brush plant hasn’t bloomed
My bottle brush plant hasn’t bloomed and it turns brown in the lower center of the plant. This was planted over a year ago. It gets new growth constantly. What suggestions can you offer?
Bottle Brush needs plenty of water it's first year.
Fertilize the plant in the spring of it's 2nd year.
Internal growth can turn brown and die due to lack of sunlight,
You can prune it out of the plant.
Here are links with more information.
https://www.gardeningknowhow.com/ornamental/shrubs/bottlebrush/growing-bottlebrush-plants.htm
https://www.gardeningknowhow.com/ornamental/shrubs/bottlebrush/pruning-bottlebrush-plants.htm