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Questions tagged [rhododendrons]

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43 views

Extreme leaf-falling from Azalea

I have an indoor Azalea which was perfectly fine before I went for holiday. I arranged for watering system, but, because of some mechanical problem, the watering was not good. when I came back, my ...
3
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1answer
238 views

Problem with rhododendron foliage

The rhododendron pictured below used to live in Vancouver BC, zone 8ish, and was cut back and moved a few years ago to the northern end of the British Columbia coast, about 30 miles south of the ...
2
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1answer
61 views

Does anyone know what might be eating my new Rhododendron leaf? How concerned should I be?

After inquiring at a local nursery in the west of Ireland, I planted in a handful of Rhododendrons last year, to see how they might tolerate my soil. They seem to be thriving pretty well, But I ...
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0answers
27 views

Identifying a rhododendron variety

I have a rhododendron that's been living in a pot for a couple of years. Beyond the general advice I've found regarding care for it, I'd like to determine what specific variety it is, as there may be ...
3
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1answer
386 views

Mountain laurel or rhododendron?

Is this mountain laurel or rhododendron? Seems no one is sure. Grows in USDA hardiness zone 7b. Lower shrub limbs laying on ground typically take root and extend growth area. Plants easily make it to ...
3
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1answer
46 views

Rhododendron in complete shade corner -should I move it?

I am in a 5b zone and I have a small Rhododendron (~1.5'' high) that I planted there last year. I am having second thoughts about that and I am thinking about moving it. Update:The name of the ...
9
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3answers
737 views

Can rhododendrons be cut back?

I have a situation where a row of rhododendrons in front of the house is overgrown and getting large. I was told by someone else that they need to be removed and replaced with smaller rhododendrons. ...
3
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2answers
85 views

What is this small insect with a rounded brown head burrowing into my rhododendron?

I caught this bug burrowing into the trunk of my rhododendron, and I persuaded it to exit its home. Here's a close up of said worm. I can't imagine it being other than damaging to my tree. Anyone ...
4
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1answer
531 views

When, and how far, to prune down a massive overgrown rhododendron?

Our new home has several rhododendrons that look to have gone unmanaged for many many years. The largest, in the pictures below, has grown well over the roof. When should this get pruned? How far ...
6
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1answer
655 views

Are there any plants I should not grow near my rhododendrons?

The author of this answer to this question mentioned that toxins in rhododendron leaves can prohibit growth in nearby plants. (This is a paraphrase, not a direct quote.) I have six huge rhododendron ...
3
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1answer
921 views

Young rhododendron with yellow and brown leaves

I have a fairly young rhododendron (at least two years). We planted it in the spring. For the past 2-3 months the leaves have slowly been yellowing and turning brown in spots. The soil is acidic, ...
5
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1answer
87 views

Repurposing this rhododendron

I've been gradually building a house on a site that has been fairly well dominated by wild, unchecked growth of various greenery over the past 15 years. Time has come to turn my attention to the ...
3
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1answer
902 views

Yellow leaves on rhododendron

2017, 1st june Soon after planting my rhododendron, leaves are turning yellow with black/brownish patches. Is it dying? Can I do anything about it? Edit (2017, 12th july): I didnt do much. Looks ...
7
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1answer
550 views

Pine Bark vs Sphagnum Peat/Sand for Blueberries and Azaleas

I had a quick question, because I'm trying to figure up my mulch and fertilizer needs for this Spring. I had bought my father a couple of blueberry plants, among others, because that's what he wanted ...
6
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1answer
206 views

What's the best way to deal with scale insects on Pieris Japonica?

I have a heavy infestation of bark scale on 4 mature rhododendrons and 3 pieris japonica. I applied dormant oil to the rhododendrons yesterday and would like to do the same to the pieris. However, ...
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2answers
12k views

How can I help a rhododendron with yellowing leaves and a dead section?

I have a rhododendron which was healthy last year, and produced gorgeous white flowers. Today I noticed that many of the leaves are turning yellow, and a section appears to have died. There's ...
6
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2answers
601 views

How should I prune a damaged Rhododendron?

I had a 6ft tall healthy Rhododendron that a tree decided to fall on. Now it has a big chunk taken out of the middle. Either side of the chunk is still 4ft or so but the middle goes right to the base ...