Azalea Plants

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  1. Azalea Problem
  2. Azalea Problem
  3. Black Deposit on Azalea Leaves
  4. Cutting Back Azalea
  5. Brown Azalea
  6. Disease on Azalea
  7. Deciduous Azaleas (Klondike)
Asked by azaleachuck on August 1, 2011
Azalea Problem

I planted 20 Azaleas last Labor Day. Winter was very cold in Atlanta area. Spring saw three plants with brown stems that expanded to the entire plant. They died. Now some of the other plants are showing signs of the same problem. Brown leaves, brown stems, and tips of other leaves brown. Help!

ANSWERS
Heather
Certified GKH Gardening Expert

It sounds like you may have Phytophthora Root Rot. This article explain more:
https://www.gardeningknowhow.com/plant-problems/disease/what-is-phytophthora.htm

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Asked by Anonymous on August 1, 2011
Azalea Problem

I’m not sure of the problem I have with a bunch of azaleas. The top of the leaves get a whitish cast, then they become reddish brown. The underside of the leaves have small black spots, but I don’t see bugs, just spots. The leaves eventually turn brown, losing their green color. Is this mildew, or lace bugs, or a third issue? I’m just not sure. Any advice would be greatly appreciated.

ANSWERS
Nikki
Certified GKH Gardening Expert

The following article should be of some help in pinpointing the likely cause: https://www.gardeningknowhow.com/ornamental/shrubs/azalea/common-azalea-problems.htm

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Asked by Anonymous on August 1, 2011
Black Deposit on Azalea Leaves

My azaleas have developed black deposits on the leaves.

ANSWERS
Nikki
Certified GKH Gardening Expert

It is probably sooty mold. This article will help:
https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm

Sooty mold normally indicates a pest issue. You should check the plants for pests as well.

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Asked by Anonymous on August 4, 2011
Cutting Back Azalea

My azaleas are 6′ high. I would like to cut them back to about 4′. Can this be done, and if so, when is the best time?

ANSWERS
Nikki
Certified GKH Gardening Expert
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Asked by Anonymous on August 5, 2011
Brown Azalea

I have three azaleas in my front yard next to my Japanese Elm tree. Two of the azaleas are doing great, but the third one is turning brown and the leaves are getting crunchy (like it’s been burnt). They all receive the same abount of sun and water. There is a small patch of green left on the dying azalea – any suggetions? I would like to try and save it if I can.

ANSWERS
Nikki
Certified GKH Gardening Expert

Did you read this article yet: https://www.gardeningknowhow.com/ornamental/shrubs/azalea/common-azalea-problems.htm

If these do not decribe any of your azalea problems, do you see anything else wrong with the plant, like discoloration?

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Asked by Anonymous on August 8, 2011
Disease on Azalea

I have a couple of azaleas that have the white looking leaves that I read about in this article, and it said to use fungicide. What kind should I use? At first it was just one plant, but now it appears to be spreading!

ANSWERS
Nikki
Certified GKH Gardening Expert

Neem oil makes an effective fungicide. Here is more information: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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Asked by Anonymous on August 19, 2011
Deciduous Azaleas (Klondike)

What causes the browning on the tips of the leaves? Too much water? Too little water? Something else? I planted these from a very good nursery early in the spring.

ANSWERS
Nikki
Certified GKH Gardening Expert

It sounds like a nutrient issue. Give the plant some fertilizer. Also make sure the plant is getting enough water. It needs at least 1-2 inches of water a week.

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