Lack of water
Buchs has a very high water requirement and cannot cope with prolonged drought. Therefore, in hot and dry phases, make sure that specimens planted in the garden are also watered regularly. If, on the other hand, the boxwood is in a pot, it needs some liquid from time to time, even in winter. So don't forget to water the potted plants that overwinter on the balcony or terrace on frost-free days! Box trees standing in sunny, warm and sheltered locations are particularly at risk for drought damage.
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Waterlogging
As little as the Buchs likes drought, it is even less able to cope with excess moisture and especially with waterlogging. Prevent this by providing both garden and potted specimens with good drainage. The garden soil should be loose, permeable and humus. In addition, do not water the box excessively and “by feeling”, but check whether it is necessary with a simple finger test: If the substrate or the soil is dry at a depth of a few centimeters, you need to give it fresh water. Mulch the soil, for example with bark mulch, so that the moisture is retained longer and does not evaporate.
Nutritional deficiency
The Buchs has a lot of appetite and is therefore dependent on a regular supply of a balanced nutrient cocktail. Ripe compost is best, given together with horn shavings (€ 6.39 at Amazon *) and primary rock flour in April and June. A long-term fertilizer (if possible box tree fertilizer or green plant fertilizer) also does a good job here.
Tips
Another reason for yellow leaves on boxwood can be damage to the roots caused by pests living in the ground such as voles, buxos, etc.
