azalea leaves yellowing- normal?

estheramgr(z8 GA)November 16, 2005

My azalea leaves are yellowing. Is that normal for this time of year? THey're not wilting, so I don't think it's dryness. A good percentage of them are just turning yellow.

They're George Tabor azaleas.

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I think it's normal because even though they're considered evergreen they do go through a shedding stage and should put on new growth in the Spring. Nursery Caroliniana owner Dr. Ted Stephens tells his customers that if their azaleas have yellowing leaves to lime them. A cup of lime is not going to change the logarythmic pH and may well provide the calcium necessary for strong cell walls. That's as close as I can remember what he said 12 years or more ago. Add a little fresh organic mulch, water them and wait till Spring.

    Bookmark   November 17, 2005 at 10:17AM
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Here's a link about Rhododendron and Azaleas, with a section about common problems that you may find interesting. It was compiled by rhodyman(Henning) of PA and is quite lenghty, but very informative.

Here is a link that might be useful: Rhododendrons and Azaleas

    Bookmark   November 17, 2005 at 11:08AM
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George Tabor (and sister Mrs. GG Gerbing) do drop leaves late in the season, so that's not unusual. The leaf yellowing is also somewhat typical. I'd use either Ironite or Milorganite (cheaper and more benign as a fertilzer) if you want to help the yellowing (chlorosis.). Lime in our area is also a good thing to add annually, but do spend the few bucks and get the soil tested at your county agricultural extension office first. Even if you're not trying to change the ph, lime helps uptake of micronutrients, which, in turn, helps that chlorosis.

    Bookmark   December 1, 2005 at 6:57PM
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I think it's normal. Mine (and other evergreens) do this every year about this time, but it's only a small percentage of the leaves. Then they seem to drop off quickly and you don't see any yellowing leaves again until this time next year.

Eddie, that seems strange to me about adding lime. I'm not disputing what you're saying, but would like to know more....I thought you were supposed to keep lime away from evergreens to keep the ph on the low side. Could it be that they're not taking up enough calcium without the ph being higher; or couldn't you just add calcium to stop the yellowing?

    Bookmark   December 2, 2005 at 8:27PM
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i have heard that if the plant's leaves that are turning are below the bottom of this years growth and kinda in the center of the plant, then this is normal leaf cast but if the plant is turning completely yellow then that is different and the plant should be looked at.

    Bookmark   December 3, 2005 at 8:53AM
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Poking around some on the web it looks like my problem is too much sun. There are immature plants that will eventually provide it with more shade, so I'll just keep shading it until they grow in and see how that goes.

    Bookmark   June 10, 2011 at 12:13PM
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