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Watering a Chinese Elm Bonsai

The Chinese elm bonsai is a deciduous tree that thrives best in well-drained, nutrient-rich soils. A fast-growing tree, this elm tree produces rich green foliage that changes to showy hues of yellows and purples in the fall. In its natural environment, the Chinese elm is highly drought-tolerant but can stand short periods of wet soils. As bonsai, the Chinese elm requires deep but infrequent irrigation to prevent injury from over- and under-watering.

Instructions

    • 1

      Irrigate the Chinese elm tree throughout the year, even during its dormancy period. Water the tree based on its individual needs, rather than on a schedule, to prevent over- or under-watering.

    • 2

      Monitor the bonsai’s soil moisture daily and irrigate the Chinese elm bonsai only when the soil begins to feel dry. Check the soil moisture levels by simply placing your finger approximately an inch deep into the soil near the roots.

    • 3

      Water your Chinese elm with tepid water to avoid shocking the root system. Pour the water evenly around the base of the elm until the extra water flows evenly from the drainage holes. Allow the soil to dry slightly between watering.

    • 4

      Soak the Chinese elm bonsai, rather than watering, to ensure the entire root system and its soil receives even moisture. Place the Chinese elm bonsai in the center of a sink and fill the sink until the water reaches just slightly over the surface of its container.

    • 5

      Allow your bonsai to rest in the sink until bubbles no longer rise to the surface. Remove the Chinese elm immediately thereafter and allow the excess water to run from the drainage holes.

    • 6

      Follow the same monitoring process with the soaking method. Check the soil’s moisture levels daily and only soak the Chinese elm bonsai when the soil begins to feel dry. Avoid irrigating this bonsai when the soil feels cool, as this is also a sign of moisture.