Due to its robustness and ease of care, the European white elm is ideal for bonsai newcomers. Can be beautifully shaped due to its good cutting tolerance and vigor.
Ulmus laevis, variously known as the European white elm, fluttering elm, spreading elm, stately elm and, in the USA, the Russian elm, is a large deciduous tree native to Europe, from France northeast to southern Finland, east as far as the Urals, and southeast to Bulgaria and the Crimea; there are also populations in the Caucasus and Spain, the latter now considered a relict population rather than an introduction by man, and possibly the origin of the European population. Ulmus laevis is rare in the UK, however its random distribution, together with the absence of any record of its introduction, has led at least one British authority to consider it native.
The species was first identified, as Ulmus laevis, by Pallas, in his Flora Rossica published in 1784. The tree is allogamous and is most closely related to the American elm (U. americana).
Ulmus laevis is rarely encountered at elevations above 400 m. Most commonly found along rivers such as the Volga and Danube, it is one of very few elms tolerant of prolonged waterlogged, anoxic ground conditions. The species is threatened by habitat destruction and disturbance in some countries, notably Spain.
The European white elm does not like to wet or too dry soils. Grows better in sunny or partially sunny locations. If cultivated as bonsai regular fertilization is required.
During the warm season keep on the windowsill, in the balcony or in the sunny garden. During the winter months better if kept at +5-+10C.
Genus - Ulmus
Species - Laevis
Common name - European White Elm
Pre-Treatment - Not-required
Hardiness zones - 3 - 9
Plant type - Tree
Vegetation type - Deciduous
Exposure - Full Sun, Partial Sun
Growth rate - Fast
Soil PH - Acidic, Neutral, Alkaline
Soil type - Clay, loam, sand
Water requirements - Average water
Landscape uses - Shade Tree, fast growing, bonsai
Leaf / Flower color - Dark Green / --
1. Soak 24 hours in warn water.
2. Fill an oblong container or planting tray with a soil that drains well and does not hold water. Use a container that drains from its bottom. The seeds will rot and not germinate if planted in heavy soils or containers that remain saturated.
3. Place the seeds on top of the container's soil, spacing them out from each other. Cover the elm seeds with a 1-2 mm (1/16") layer of soil, pressing it down with your hand to firm it up.
Always keep the seedbed moist during germination, place in a bright place away from direct sunlight and never allow to dry out.
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