Rhododendron - Knowledgebase Question

Boston, MA
Avatar for DrLynda
Question by DrLynda
May 31, 2007
My husband pruned our Rhododenron bush several years ago and it has not produced any blooms since. What can I do to get it to bloom again?

Answer from NGA
May 31, 2007
Rhodies can take about 3 years to bloom after they have been pruned hard. Developing flowering wood takes a substantial amount of time. They will need to grow new shoots, then flowering shoots, then it takes a year for the flower buds to develop. If yours was pruned back to mature wood, it could take 4-5 years before it is capable of blooming again. Give it a little more time. You can feed with a high phosphorus fertilizer (middle number on the package). Phosphorous encourages shoot and stem growth and flowering.

Best wishes with your rhodie!

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