Watering thuja in hot weather requires precision, not routine. The most common mistake is Daily spraying of the top layer of soil or branches: This practice not only does not irrigate the roots, but accelerates evaporation and deepens water stress. Although the thickets have a relatively shallow root system, their demand for water should be satisfied with deep, rarer watering. One-time doses of 10-15 liters per bush are recommended, every two to three days. The lack of adequate amount of water results in yellowing of needles, their premature flared and increased susceptibility to the attacks of spider mites.
High temperatures are also Inadequate moment for the radical trimming of thujaespecially cutting reaching for old wood. Such treatments deprive the bush of a natural cover and expose the interior of the plant to direct sunlight and hot air. The result is not only tissue damage and browning of the shoots, but also faster drying of the litter and soil heating around the base.
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Fertilization in the summer requires equally high caution. Application of fertilizers containing nitrogen after mid -July may cause the opposite effect. The plant will release young, juicy growths that will not only increase water consumption during, but also will not manage to wooden before the adventure of the cold. As a result, they will be more susceptible to winter freezing. It is therefore recommended to terminate nitrogen fertilization in the third week of July and a possible transition to Preparations with increased potassium and magnesium content.
In intensive heat, the basis of thuja is the basis of the care well -planned watering. The key is to direct the stream directly to the root zone, and not to the above -ground parts of the bush. In this way, we avoid water deficiency, sunburn and reduce the risk of fungal diseases. Drop or special systems are a good solution irrigation bagswhich provide slow, even moisturizing soil.
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The next step is Protection of supplied moisturewhich is achieved thanks to mulching. A layer of organic material, such as pine bark, compost or crushed branches, should be from 5 to 10 cm thick. Such a procedure protects the soil against heating, slows down the evaporation of water and hinders development. The litter also has a long -term effect on the quality of the substrate: it improves its structure, increases the ability to retain water and supplies organic matter.
It is worth it in the heat wave limit all mechanical treatmentsthat violate the structure of the soil or shoots. This applies to, among others transplanting, intensive loosening, as well as performing larger cleaning works in the immediate vicinity of TUI. Each such action means an additional risk of damage and stress for the plant, which in combination with high temperature and water deficiency can conduct to inhibit growth or weaken immunity.
