Ask a Question forum: PJM Rhododendron

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Jun 4, 2016 12:02 PM CST
Our PJMs, which we've had for several years, didn't blossom this year. There are buds on them, but they are dry. Could they have been affected by cold weather? It's never happened before.

Name: Elaine
Sarasota, Fl
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Jun 4, 2016 3:50 PM CST
Please tell us your location, and put it into your personal profile so we can answer your questions better?

If the weather warmed up early, and then got cold again, that could cause the buds to blast. Variations in the soil moisture level could also have an effect.

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Name: Sandy B.
Ford River, Michigan UP (Zone 4b)
(Zone 4b-maybe 5a)
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Jun 4, 2016 8:55 PM CST
Welcome to, @SEB ! I agree that it would most definitely help to know where you are located.

I have 2 PJM rhodies -- which both suffered a bit from the two severe winters that we had (2013/2014 and 2014/2015), and one of them totally succumbed this spring. Besides those bad winters the one that died was near a south-facing wall of the house, and under an overhang where I don't think it got enough water (which I didn't realize until too late); and also, I hadn't been giving them an acid-lover fertilizer or doing anything else special for them. I only woke up to the problems with the soil pH when I had problems growing some blueberry plants, I'm afraid. So, if you aren't doing this already, my recommendations would be to work some soil sulfur into the ground around your PJMs and fertilize them with something like Miracid. I'm actually considering digging out my surviving plant and amending the soil with a lot of peat moss and compost -- because the dead one that we took out didn't appear to have sent it's roots out much beyond the root ball from its pot.
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