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As winter draws to a close and spring begins, gardening begins again. Barbecue parties and children playing - the lawn in the garden has to endure all of this. The lawn should be strong green and densely grown. In order for the lawn plants to keep their beautiful green, they must be supplied with sufficient nutrients. You can find out when and at what time of the day the lawn should be fertilized in the following article.

fertilize lawn

Fertilizing for a healthy lawn

Frequent lawn mowing in the summer months deprives the lawn of many nutrients. To ensure that the lawn remains green and dense, regular nutrient additions are important. Fertilization has a positive effect on the lawn plants.

  • promotes the growth of plants
  • ensures good rooting
  • supports resistance to drought and cold


Spring, Summer or Autumn?

For ornamental lawns that are not subject to much stress, there is one twice a year fertilization sufficient. The nutrients should be evenly distributed throughout the year. The first fertilization in spring supports the plants in their growth. The autumn fertilization then strengthens the lawn so that the plants get through the winter better.

  • Spring fertilization: mid-March to mid-April
  • Autumn fertilization: late September to early October

In the case of heavily used green areas such as playing or sports lawns, further fertilization in summer is recommended. Shady lawns should also be supported with an additional summer fertilization. A pale color and bare spots indicate a nutrient deficiency, which you should quickly counteract with fertilization. This prevents clover, daisies or other plants from greening the weak spots.

tip: Additionally fertilize heavily used lawns in summer in June or July.


Morning or evening?

When fertilizing, it also depends on when during the day and in what weather you fertilize. Morning, noon or evening - which time of day is best?

At midday, the plants are exposed to direct sunlight and high temperatures. If the soil is dry, the fertilizer cannot penetrate the soil and be absorbed by the plants. If the fertilizer then lies on the plants in hot temperatures, this leads to burns.

tip: Never fertilize at midday. Schedule nutrient application to morning or evening hours.

Before a rainy day

The plants can only absorb the nutrients introduced in liquid form. This allows the nutrients to be released and used by the plants. Therefore, after fertilizing, you should definitely clean the soil water. A rain shower saves you a subsequent watering. If a rainy day is not in sight, you have to help with the garden hose after fertilizing. You should avoid the formation of pools of water and puddles.

danger: Falling and heavy rain have a negative effect on fertilizer application. Because a heavy rain shower washes the fertilizer out of the soil and the nutrients cannot be absorbed by the lawn plants.

On dry ground

Rain after fertilization is helpful, but rain should not have started before fertilization. Fertilization should not take place on wet soil. Because when the soil is wet, the fertilizer sticks to the blades of grass and cannot penetrate the soil, where it is available as a source of nutrients for the plants. If the water on the plants then combines with the fertilizer, this leads to severe damage to the leaves. You can only eliminate this by regrowing new grass plants. On the other hand, when the soil is dry, the fertilizer falls directly to the ground and does not stick to the plants.

Tip: Fertilize on a dry, slightly overcast day.

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