Q.Mr Red Rhododendron Has Lots Of Blooms On The Shrub But Has Suddenly Produced Some Blooms That Are The Colour Of The Wild Rhododen
dron Now the shrub is two colours. How do I return it to all red.
Certified GKH Gardening Expert
Unfortunately, your photos did not come through. I am unable to see the issue at hand.
If this branch with different flowers originates from the ground, then it was likely a seed that had germinated and grew. You can remove this from the ground, getting as many roots out as you can, and the other should continue.
If this is a branch that originates from higher up on the plant, then it could be a mutated sport. Sometimes, destroying the spot where the differently colored flowers originate will stop the coloration from returning.
In the meantime, this collection of articles will help:
https://www.gardeningknowhow.com/ornamental/shrubs/rhododendron