Content of the article:
Good day. Yes, as the neighbors rightly noted, the Tui can really turn yellow in spring. And the lack of fertilizers is not the only reason. It will be useful to know about all.
Lack of fertilizer
Very often the needles on the thuja begin to turn yellow due to a lack of nutrients.
A small amount of phosphorus and iron in the soil - this is the main cause of this trouble. This problem is solved simply - in the spring, immediately after the snow melts, you should fertilize the soil under the thujas. On sale you can see special mixtures intended for coniferous plants, and specifically for thujas, containing all the necessary substances. Using such fertilizer for thuja in the spring of yellowing, you will no longer face similar problems.
Unfortunately, not all causes of yellowing of the thuja are eliminated so easily. Often this is due to inappropriate soil. This problem is much more difficult to solve. So, the following soils do not fit for planting of thuja:
- Sandy soil - water very quickly leaves the upper layers, because of which the young Tui’s root system cannot reach it;
- Peat soil - water is too close to the surface, and the root system may rot, causing the needles to turn yellow, and then the plants will die;
- Clayey soil - contains a small amount of nutrients and is highly dense, which makes it impossible to fully develop the root system.
In the first case, the problem can be solved by regular watering. In the second and third, alas, the owners will have to abandon the thuja and plant on the site those plants that grow well on such soils.
If the recently planted thuja turns yellow on one side, and the sun, then the problem is too intense lighting.
Thuis are planted quite densely in the zakazniki reserves, and sunlight is blocked from each other. With a single planting a large amount of sunlight leads to the fact that the needles turn yellow. Over time, this will pass if you ensure good watering and also apply fertilizer to the soil, which contains not only phosphorus and iron, but also nitrogen.