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tree or small shrub from Asia, which in nature can reach 20-25 meters in height. Presents leaves smaller than those of European elm, shiny and serrated, oval, dark green. The bark is brown, with light patches in the adult specimens, the branches are fine and very numerous. This plant is widely used as a bonsai due to the size of its branches and leaves; being a very robust plant it is also advisable for beginners, in fact it is easily recovered from periods of drought or excessive wetting, even in cases where the wrong treatments have caused an early defoliation.
generally it is pruned in autumn, at the end of the vegetative season. Beginning in the spring, until the beginning of autumn, the shoots are trimmed, leaving them to grow several centimeters before cutting them, leaving 2-3 pairs of leaves. Usually the metal wire is not applied, except in cases where it is strictly necessary, but the crown tends to form with appropriate pruning.
Watering and soil
Watering: it likes a constant humidity, it must therefore be watered moderately but often, leaving the soil to dry a little between one watering and another. It tolerates short periods of drought well enough, it fears water stagnation. During the vegetative season, add fertilizer for bonsai every 15 days to the water used for watering.
Soil: the elm prefers clayey but well-drained soils, prepare a compost by mixing a part of peat, a part of sand and three parts of clay. If it does not present particular growth problems, it is repotted every 2-3 years, in late winter, just before the beginning of the vegetative season.
Elm - Ulmus parvifolia: Multiplication and parasites
Multiplication: by cuttings, to be practiced in spring.
Pests and diseases: it is a plant quite resistant to diseases. Sometimes it is attacked by aphids and scale insects.