Azaleas aren't blooming this year

kikimouseMay 29, 2011

I have a couple of large azalea bushes in front of my house. I'm not sure of the variety, possibly Formosa. They usually have an abundance of magenta flowers covering them throughout May, but this year they have almost none. This is our fourth summer in this house and I've never touched them. I've done some VERY minor pruning (just to keep it out of the walkway) and I've never fertilized, yet they have still flowered beautifully every year except this one.

Any ideas as to what could be stopping them from flowering this Spring? We did have a very nasty ice-storm in February and some quirky Spring weather with lots of rain.

Thanks for your thoughts.

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rhodyman(SE PA, USDA Z6)

Cloudy weather last summer would result in poor flower bud set. Look closely to make sure there are no dead flower buds. If there are, the bud set was OK but the winter weather killed the flower buds. If there are still viable flower buds, it just mean that your plants are very late this season. Many parts of the country are experiencing this. In some areas, some plant are a month late.

    Bookmark   May 31, 2011 at 4:29PM
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Thank you. I'm not seeing any buds, dead or alive, just a few dead blooms (the few that did actually make it). I am noticing now some brown bulbous growths on the leaves, so I guess I'm off to look up what that is.

Thanks for the info.

    Bookmark   June 22, 2011 at 9:27AM
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rhodyman(SE PA, USDA Z6)

Azalea leaf gall.

It shouldn't be related to the lack of bloom.

Here is a link that might be useful: Azalea Leaf & Flower Gall

    Bookmark   June 22, 2011 at 11:24AM
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rhizo_1 (North AL) zone 7

In Indiana, I doubt that they are Formosa azaleas.

    Bookmark   June 23, 2011 at 3:01PM
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