Rhododendrons That Won’t Grow Or Bloom

I have Rododendrons that I planted a couple of years ago that have never bloomed or grown from their original size. They are still alive and look ok, but just haven’t done anything. What can I do?

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1 Comment To "Rhododendrons That Won’t Grow Or Bloom"

#1 Comment By Nikki On 06/16/2011 @ 8:38 am

It is probably a phosphorous deficiency. Add a phosphorous rich fertilizer to the soil around it. Here is more information: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/phosphorus-plant-growth.htm ^[1]

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