Elm bonsai a little dry

Question: Elm bonsai a little dry

Hi team of! I have had an Olmo bonsai for three months now. Although I had not used any kind of fertilizer, during the months of March and April it reached full vegetation, putting lots of leaves, all green. In any case, I always watered it regularly. Obviously now that the temperature has increased considerably, the soil is often dry; I also noticed a few days ago that the leaves appear less green and begin to dry. How should I behave? Is fertilization necessary? Should I move it to a less sunny spot? Thanks!

Elm bonsai a little dry: Answer: Elm bonsai a little dry

Dear Chiara,
elm trees, in nature, live in very sunny places, often exposed for many hours a day to direct sunlight; but these great trees can enjoy a large bread of earth around the roots, and they can also widen their root system in search of water. When we grow an outdoor bonsai, in addition to knowing the needs of the plant we have chosen, we will also have to take into account the fact that it is a bonsai, grown in a small pot, which in the summer can get completely dry. An elm tree placed in full ground, adult, tends to be satisfied with the rains, it lives in full sun, exposed to the weather. An elm bonsai must be watered in the vegetative period, from April to October (approximately, or at least until it has lost its foliage), so as to avoid the soil remaining dry for long, and also avoiding keeping it excessively moist. In addition to this, it would be advisable to find a semi-shaded position, so that the ceramic in the pot is not exposed to direct sunlight for long hours, which otherwise will tend to heat it, causing damage to the roots of the small tree. Even in winter you will have to take into account the fact that your bonsai elm has a tiny vase, and therefore cannot be completely exposed to the rigors of winter frost; in this case it will be enough to cover the pot with the non-woven fabric, so as to prevent the frost from entering the soil up to the roots.
The best waterings are carried out by immersion, or by immersing the whole pot in water, and then making it drain before replacing the bonsai in its place; in this way you can be sure that all the earth bread could be humidified, and absorb the right amount of water. When instead we water a very well drained soil from above, we risk passing all the water into the soil, without having time to absorb a little, especially if the substrate is very dry.