My Birch trees are dieing back from the top To the bottom. Thé leafs start To Brown and slowly die. Why and can I prevent more loss?
It is likely a fungal infection. There are a few things that you can do, but some infections are not treatable.
You can try dolomitic lime and wettable sulfur in the soil. This is a good broad spectrum fungicide, but if that doesn't work then copper based fungicides can help as well.
The old growth will not return to health, but when the treatment starts to work there will be new growth that should be unaffected.
We live in Toronto Ontario, Canada.
I would guess about 80 years old if it's a landscape tree. But according to the method reviewed in this article, it could be well over 100. If it's a white birch 36" in diameter, this method puts it at 180 yo. https://www.hunker.com/12001364/how-to-tell-the-age-of-a-tree-without-cutting-it-down
There are some big variables depending on the species of birch and the growing conditions. They don't all grow in girth at the same rate in different situations. Trees that are planted in landscapes that are irrigated and fertilized can grow much faster than trees in natural habitat. A birch on the bank of a pond or creek may out grow one in a drier environment.
where do I prune the leader and how many of the little branches do I remove completely?
This would definitely be a good way to control its height! Where you want to cut it is up to you, though. If you want a single trunk tree, then you can remove anything that isn't on the leader that you are keeping. Otherwise, if you would like a more bush like plant, then you can leave any branches that you wish. It is always best to do this during dormancy, or at least when this is not actively growing.
Hello, My daughter bought me a weeping silver birch last summer and it is still in the pot that it came in from the nursery. When I re-pot, can I go to a very large pot or should I increase the size gradually as the tree develops? At present the tree is about 1.5 metres tall. Alternatively, should it now be planted in the ground?
It's always best to plant a large growing tree in the ground while it's young, if you have a good place for it.
https://www.gardeningknowhow.com/ornamental/trees/birch/care-of-weeping-silver-birch.htm
Hello, We have a large birch on our front yard. It's very nice but very messy and messy period is very long. Is there a good way to "clean" the tree by removing dry leafs and messy seeds?
There is no easier way to do this then with a rake or leafblower, either as they fall or when they are fully fallen off the tree. This is just a common problem with trees that lose their leaves. Unfortunately, there isn't an easy way to deal with this, other than this.
I have bought a house in Lockhart. Hot summers/cold frosty winter. Would have liked to replaced lawn with grove of silver birches and turf Lily, but looking for something more drought tolerant.
I found this link for you, that may have some ideas.
https://www.hunterwater.com.au/Resources/Documents/Fact-Sheets/Saving-Water/drought-tolerant-plant-list.pdf
I would also encourage you to visit your local garden centers and see what your region has available. They often have test gardens to see the more mature trees.
My young birch tree had some rapid growth this summer and started to lean over to one side. I’ve added some support at the bottom which straightened it in the lower half. But now the top half started bending. Any advice please?
With larger trees, you can often stake them and tie ropes to the top of the tree temporarily. This can put tension on the side of the tree that is bent or leaning, which will help correct the issue.
Here is an article that will help: https://www.gardeningknowhow.com/ornamental/trees/tgen/straighten-tree.htm