Grass lime against moss - application and lawn limescale

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Grass lime against moss - application and lawn limescale: lime

Instead of dense green, the lawn has holes and between the stalks moss is spreading inexorably - the dream of a well-groomed and accurately cut meadow has finally been over. If the lawn is limed, however, the leaf can turn back quickly. In the lawn-saving measure, in addition to the correct dosage and a uniform distribution but also on other factors. What to look for and how the effort can be kept small, interested hobby gardeners learn here.


Moose thrive best in a humid and relatively dark location. In addition, most species prefer acidic soil and do not require many nutrients. The pH of the substrate is thus only one of the possible causes of increased moss growth on the lawn. Therefore, before going directly to spreading the lawn lime, the conditions at the site should be closely examined. Important for the healthy, strong grass and little moss are:
  • Good water drainage and loose substrate
  • Sufficient light
  • Coordinated nutrient supply
  • Regular and frequent mowing of the lawn
  • Suitable pH


Before lawn lime is used against moss, the current pH value of the soil should be tested. There are special pH soil tests available on the market. If the calculated value is between 5.5 and 7, limescale is actually unnecessary and the cause of moss growth can be found in another factor. It is important to repeat the test before any scheduled liming. Because if the substrate becomes too alkaline, the grass suffers. In addition, other types of moss could open the door. Meaningful is the liming so only at a value of less than 5.5.

Tips for spreading

If the lawn actually needs to be chalked to combat the moss, then the question arises of the correct spreading. The following tips can help.
  • Use only special grass lime
  • Apply lime only on dry soil
  • Wait for rain or blow up or pour immediately after licking the lawn
  • Pay attention to an even distribution
  • Do not lime in blazing sun
  • Do not lime directly after mowing
  • Fertilize and take further measures only two weeks after the lawn bar
  • Keep children and pets away from the freshly limed area
  • Measure the area and divide it off separately if necessary in order to dose precisely
Tip: Use a litter or fertilizer cart with a grit table to evenly lime and meter the turf correctly.


Ideal for the use of lawn lime against moss is the spring. If necessary, it can also be done in the fall. With a very strong moss growth it is possible to spread even all year round. The spreading material is applied when the sky is overcast. In this way there is no danger of burns. In addition, a time should be chosen when the lawn and soil are dry. Otherwise, even distribution is difficult. In order for the grass lime to spread as quickly as possible in the soil and here to raise the pH, should be chalked shortly before rainfall. Alternatively, it is of course also possible to pour or blow up after the measure. If it is additionally necessary to fertilize the lawn, a time interval of at least two weeks should be observed. Otherwise the substances can influence each other negatively.


To increase the pH of the soil by one point, for example from 4 to 5, through the lime, about 200 grams per square meter should be applied. In order to comply with this dosage, it is again recommended to use a spreading or thinning vehicle with grit table. Each balanced lime and the dimensions or even a staked each area also help with the appropriate dosage of the lawn lime. Of course, it must of course be clear beforehand how big the lawn area to be limeed is.

Caution: irritating

When selecting the grass lime should be paid to the label as animal friendly, even if live in the household no animals. Such products are less irritating but nevertheless not completely harmless. So it is urgent to take care to protect the respiratory tract, mucous membrane and eyes from lime when spreading. This also applies to the time after the lime of the lawn. The area is therefore initially not to enter. Especially on children and pets should be respected urgently. If you water abundantly afterwards or it rains heavily, normal use is possible again after about two days. Otherwise, wait until neither limescale nor white deposits are visible as residue.

Prevention and alternatives

As already mentioned, too acidic pH of the soil is just one of the possible causes of unwanted moss growth on the lawn - and by no means the most common one.If the pH test shows that acid soil is not responsible for it, other potential causes should also be considered.


If the lawnmower has not been started for a long time or if there is generally little time left, many hobby gardeners tend to cut the lawn very briefly. The abrupt and significant shortening does not get this. If a large amount of the leaf mass is suddenly lost, the plants need some time to recover, burn faster and are generally weakened - in this time, the moss can spread very easily. It is therefore advisable to mow frequently and to halve the length of the stalks at most.

Irrigation and soil

Steady moisture or even waterlogged gets the lawn not too good, the moss, however, already. Good drainage is therefore important in the prevention and control of moss on the lawn. If the moss comes again and overgrows the grass, the soil should be loosened if necessary. Has proven in heavy substrates, the subsets of sand. For this, of course, the area must first be completely cleared of grass and then set up a new lawn, but in the long term, this measure is associated with less effort and produces better results.

shaded areas

Dark and damp like most Moss species, lawns less. In very shady areas, therefore, the grass is permanently weakened, moss can spread more easily. In such areas, it makes sense to sow special types of grass for shady areas. Additionally or alternatively - if possible - by blending the shading plants for better lighting conditions should be provided.
Too acid soil can make moss growth on the lawn a permanent plague. The use of lawn lime is an appropriate measure against this, with which the grass can recover and grow denser. The annoying moss, however, it makes the Gar out. However, lawn soda is not always a patent solution, so a soil test should always be carried out before application.

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