6
votes
Accepted
Are there any plants I should not grow near my rhododendrons?
There is some evidence that Rhododendron ponticum inhibits germination and growth of seeds and seedlings nearby which may be attributed to allelopathy, but no evidence they have such a strong ...
- 135k
4
votes
Accepted
Will buried rhododendrons stumps grow through a foot of soil?
It is likely that mature (large) rhododendrons will grow again from the buried roots, though this may take two or three years.
Rhododendrons contain toxins which inhibit decomposition by micro-...
- 11.5k
4
votes
Accepted
Young rhododendron with yellow and brown leaves
Use Sequestered Iron. Do it slightly on the weak side and follow the instructions. Some products say do it every week at certain times of the year or apply once a month, it depends on what product you ...
- 2,252
4
votes
Accepted
When, and how far, to prune down a massive overgrown rhododendron?
I'd start thinning your rhody now. Take out all the little branches right down to the main trunk. Any branches that grow towards the center of the shrub. Any branches that are unhealthy. Branches ...
- 40.5k
4
votes
Can rhododendrons be cut back?
Rhododendrons can absolutely be cut back, no matter what the size. We've been pruning ours for years, and some of our bushes are 10ft tall. As long as they're not diseased, or too close to a structure,...
3
votes
Can rhododendrons be cut back?
Please please do not take a chain saw to those rhododendrons, please! Yeah, they will be shorter but ugly ugly ugly for years and years.
I've renovated rhododendrons for a living and kinda blew the ...
- 40.5k
3
votes
Can rhododendrons be cut back?
You can prune a rhododendron with a chainsaw and it will come back. I lived in Washington state for a number of years and did/saw this multiple times. Was the person who said to replace your big ...
- 3,268
3
votes
What is this small insect with a rounded brown head burrowing into my rhododendron?
A borer, don't know the specific one. Almost any plant can be attacked . They are difficult to kill with poison ( Lindane). It is usually more practical to kill them with something like a wire; ...
- 8,784
3
votes
Accepted
Yellow leaves on rhododendron
I suggest keeping an eye on the plant. If the overall health of the plant looks good, I would not worry about it. It seems like the rest of the plant is healthy. Plants do go through some shock ...
- 8,014
2
votes
Accepted
Repurposing this rhododendron
I suggest you get rid of the Rhododendron altogether, although it will be no easy task. One way of 'repurposing' it is to heat your home with it; if you have a wood burning stove indoors, dry ...
- 135k
2
votes
Is my rhododendron on it's way to an early grave?
Unfortunately, your rhododendron is not at all suited to being grown indoors - it will be much happier outside. It will need acidic soil conditions, so in a pot, use ericaceous or acid potting soil. ...
- 135k
2
votes
Extreme leaf-falling from Azalea
Is there anymore growth going on at the tips? If there IS growth you are able to see, do not cut it off. Your plant has gone through a major stressor. Plants are able to deal with a few major set ...
- 40.5k
2
votes
Does anyone know what might be eating my new Rhododendron leaf? How concerned should I be?
Looks like vine weevil damage, judging by the notches at the leaf edges, but that's much more of a problem with plants in pots than in the ground usually. If the damage is on other plants too, you may ...
- 135k
2
votes
Mountain laurel or rhododendron?
Look at the petals:
You can see that your specimen has five separate petals per flower.
Which means this is not mountain laurel (Kalmia
latifolia). Mountain laurel has petals that are fused together ...
- 16.9k
2
votes
What is the best way to trim old rhododendrons? How far back should I cut them?
Pruning Techniques
One hack in pruning overgrown shrubs is to remove a third of the limbs at a time to the ground, over 3 years, for completely renewed ground growth. Angle your cuts so no stubs show ...
- 1,432
1
vote
Which side of my house is best for planting a new rhododendron?
Short answer: on average, north or east sides of your home are better, but the amount of shade and moisture availability are the most important factor.
There are several different Rhodedendron species....
- 330
1
vote
Identify tree with bright magenta flowers and grayish leaves
It is a Rhododendron of some variety; rhododendrons used to be split between azaleas and rhododendron, but now they are all classed as rhododendron. What used to be known as azalea types usually have ...
- 135k
1
vote
Is this a rhododendron or an azalea and whats it called?
Counting the stamens (about 10) shows it is a Rhododendron. Azaleas have about 5.
https://www.azaleas.org/azalea-basics/
- 1,900
1
vote
Rhododendron in complete shade corner -should I move it?
I think the total shade is marginally ok (rhodies do prefer some sun, though). Type of shade matters, too - tree shade is marginally brighter than wall shade, which seems to be what you have.
What's ...
- 20.4k
1
vote
Accepted
Identifying a rhododendron variety
It is very difficult to identify Rhododendrons even in person, due to the shear abundance of breeding that continues to happen. There is also the problems with the colour your camera caputures is ...
- 2,398
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