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Betula pendula, commonly known as silver birch, warty birch, European white birch, [2] or East Asian white birch, [3] is a species of tree in the family Betulaceae, native to Europe and parts of Asia, though in southern Europe, it is only found at higher altitudes. Its range extends into Siberia, China, and southwest Asia in the mountains of ...
Cut back the leaves and stems in fall and dispose of cutting in the trash, not the compost pile. Spacing plants further apart to encourage good air circulation and keeping the foliage dry when ...
Euceraphis betulae, the birch aphid or silver birch aphid, is a species of aphid in the order Hemiptera.It is a tiny green insect with a soft body and wings. It is found living on the European silver birch tree (Betula pendula) where it feeds and multiplies on the buds and leaves by sucking sap.
Similarly in northern Europe the spring rise in the sap of the silver birch (Betula pendula) is tapped and collected, either to be drunk fresh or fermented into an alcoholic drink. In Alaska, the sap of the sweet birch (Betula lenta) is made into a syrup with a sugar content of 67%. Sweet birch sap is more dilute than maple sap; a hundred ...
The best time to prune will depend on the type.
A Russian birch bark letter from the 14th century Birchbark shoes. Birch bark or birchbark is the bark of several Eurasian and North American birch trees of the genus Betula.. The strong and water-resistant cardboard-like bark can be easily cut, bent, and sewn, which has made it a valuable building, crafting, and writing material, since pre-historic times.
The original Ornäs birch was discovered in 1767 by Hans Gustaf Hiordt in the village of Ornäs, in the central Swedish province of Dalarna. Hiordt sent a description of the tree to the University of Uppsala botanist Carl Linnaeus. Cuttings were taken from the original tree, from which all Ornäs birch trees have been propagated. The tree fell ...
Trees were cut to a diameter limit in the cut strips, but large trees in the leave strips often proved too much of a temptation and were cut too, [25] thus removing those trees that would otherwise have been the major source of seed. An unfortunate consequence of strip thinning was the build-up of spruce beetle populations.