Silver Birch Growth
I planted two silver birches about 11 years ago. They are just inside my garden boundary with a pasture field. They get plenty of moisture and some strong winds but stand up to these without trouble.
The unusual feature is that the trees are now about 25 ft in height but their trunk girth is very narrow; probably 3 inches maximum. It tapers gradually to a feathered top.
I have not experienced such narrow girth on birches before and I wonder if it a natural feature of these particular trees or if there is another reason.
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Girth? that sounds like circumference
do you mean the diameter? ... even that would be quite narrow but I'm sure they'll thicken up in time.
Of course, the more slender the trunk the better the tree will cope with the strong wind as it'll have more flexibility
Last edited: 27 January 2018 10:35:10
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.