Boxwood fertilizer - composition and application

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A boxwood as a hedge, solitary or even sculpture in the garden is a feast for the eyes. In order for it to stand strong in the juice and grow again and again to new beauty, it is important to use the correct boxwood fertilizer, so that no deficiency symptoms occur. The trade offers a variety of mixes, but it also depends on the location and the floor where the boxwood is located to choose the optimal composition. Here are some helpful hints on how to find the right boxwood fertilizer for your garden.
When to fertilize
Especially for boxwood, a distinction is made between long-term and complete fertilizer, which can also be used for re-fertilizing if required. Logically boxwood is fertilized in spring, ie March / April, so that it is supplied with all the necessary nutrients for sprouting and growth. If you use complete fertilizer, may be re-fertilized until June. Use the dosing measure, which is included with almost all commercial fertilizers, and stick to the quantities indicated to obtain a leafy, green boxwood. Whether you use liquid fertilizer or granules for your garden depends on your personal preference. However, it is important that fertilizer does not get onto the leaves. It can lead to damage that can be avoided if splashes or grains are removed from the granulate.
  • When adding the boxwood, add fertilizer to the excavation and it will slowly pick up from there
  • Granules can simply be sprinkled on the ground and washed with plenty of water, but more meaningful is the dissolution in the irrigation water overnight
  • Apply liquid fertilizer only diluted, the concentration is otherwise too high, it can cause burns in the root area
  • Long-term fertilizer supplies the Bux for up to six months
  • Use full fertilizer in half concentration on lean soils until June for subsequent fertilization
  • avoid over-fertilization in the spring
Tip: In addition to the above-mentioned fertilizers, liquid fertilizer is also available, which can be fertilized every two to three weeks during casting. For a long, large hedge, however, it is recommended only conditionally, because regular watering makes a lot of work and should be done only in long periods of drought.


Boxwood needs an optimal mix of phosphates, nitrogen and potassium, supplemented by organic substances for good growth of firm, green leaves and dense foliage. It is also advisable, especially in long-term fertilizer on a supplement by minerals such as iron, boron, copper and magnesium, so-called micronutrients to pay attention, which hardly occur in dissolved form in the natural garden soil. Manure as a fertilizer is not recommended, its composition may vary and may not contain the right ingredients. For solid fertilizers and slow-release fertilizers, the compositions are different, if only because of the different application times. So, when buying, be sure to choose what type of fertilizer you prefer, blending is not an advantage. Basically, the three most important ingredients in many products are marked with numbers, so that the garden owner can see at a glance in which composition the nutrients are present. For example, the abbreviation 16-6-13.5 designates the composition
  • 16% nitrogen
  • 6% phosphorus
  • 13.5% potassium
This can be further information that refer to the minerals and micronutrients. Basically, the same order has prevailed for all products. In the first place is always nitrogen, then phosphorus, as the last potassium, only then, if necessary, the additional nutrients. The correct composition is guaranteed for most of the products especially for the boxwood, but the soil itself may already require a different composition, many garden soils already contain too much phosphorus, further fertilization could cause damage in this case. If you are unsure what the soil of your garden looks like, you can find out with a test. For this, the floor does not even have to be sent in and analyzed. There are test sets available in the trade, with which different soil values ​​can be determined quite accurately. This is also useful if you want to know about the pH value. Many plants do not tolerate acidic soil well, others start to take care of the calcareous soil.

Tip: Make sure that the granules to be used are very finely grained, so it can be easily and optimally dosed.

Proper application


Anyone who wants to plant his garden and plant boxwood should think about the fertilizer already when planting.Especially in new housing areas, where soil is often additionally used for the garden, the soil often does not contain enough nutrients and minerals. Although the boxwood is generally a frugal and easy-care crop, it needs enough nutrients to develop its leaves and glowing green. Then the plants also develop sufficient strength to resist possible infestation by pests. Especially with foreign soil, even if it is designated as topsoil, it is recommended to do a soil test, so as not to fertilize incorrectly.
  • fertilize at the beginning of the growing season with a long-term fertilizer
  • if you prefer full fertilizer, it should be applied in March / April, if necessary in June, re-fertilized at half the concentration
  • Stick to the dosage rules, over-fertilization leads to damage and rather inhibits growth
  • When planting boxwood, add some fertilizer to the excavation immediately, water well
  • Do not fertilize in blazing sun, in the best way in the evening, so everything can move in overnight
  • remove the fertilizer from the plants in case something has settled there
  • Too much fertilizer concentration can cause burns in the root area, use plenty of water


With the right fertilizer, every boxwood becomes a gem in the garden. When selecting, however, it must be considered how much fertilizer the soil needs at all. The use of long-term or complete fertilizer is a matter of personal orientation. Long-term fertilizer offers advantages in this respect, as it only needs to be applied once a year and reliably supplies the boxwood with all the necessary nutrients. Over-fertilization is thus much easier to avoid. Boxwood fertilizer is specially designed to grow and develop the rich green color.

Video Board: Boxwood Shrub Disease.

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