Lawn diseases

Do you have black spots in your lawn? Then this is probably blue-green algae. These usually appear in the cooler months of the year. The causes are an...

There are various reasons for leaf spot disease. Persistent moisture is one reason, but so is cutting the grass too deeply or one-sided fertilization....

This is a typical lawn disease. The fungus develops from late fall to spring at temperatures around 0-12 degrees. The cause of the infection is usuall...

Gray snow mold is also called Typhula incarnata, Tyhula rot, or white snow mold. Typhula incarnata is a typical winter lawn disease. It mainly occurs...

Root burn often occurs on new lawns or reseeding, rarely on established lawns.The cause is usually over-fertilization, excessive dryness, over-compact...

From a distance, the affected areas look like brown spots. But if you look more closely, you can see small red threads, which is the so-called "Red-ti...

The root rot initially looks like dry damage, slightly bluish. However, one thing can be said with certainty: Pythium is a typical stress disease whic...

Removing dew from the lawn is also called dew waving or dew removal. This can be done with a soft broom, lawn rake, garden hose, upturned lawn rake, ...

Irregular, light green patches appear on the lawn at first. Later these become straw-colored (reddish brown). As the turf renews itself from the cente...

Organic matter in the soil is usually decomposed by a network of fungi, so-called mycelia. When this fungal network appears on the surface, it takes t...

Witch rings are ring-shaped phenomena in the lawn. There are three different types, but they all have the same cause. Organic matter in the soil is u...

Snow mold (lat. Microdochium Nivale) is, contrary to what its name suggests, not bound to frost or snow. It feels most at home in high humidity such a...

So-called "dollar spots" (lat. Sclerotinia homoeocarpa) are caused by high levels of stress on the lawn, e.g. due to drought and a lack of nutrients. ...

Anthracnose is a typical weakness parasite. The disease occurs more frequently between spring and fall. It manifests itself as irregular, sometimes ba...

This lawn disease causes the lawn to develop yellowish, brown pustules. These look very similar to the rust film that occurs on metal. This disease oc...

A whitish-grey, cotton-like, mealy, moldy coating appears on the blades of grass. With advanced infestation, small black dots may form in the middle o...

The Lawn disease Grey Leaf or Grey Leaf Spot (GLS) occurs rather rarely in Germany. But when it does, it is usually in soccer stadiums or on nearby tr...

Snow mold (Microdochium nivale / pink snow mold) Sources: Rasenprofi - CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=4390694...

A brief note in advance: In this article, we will discuss the visible Mushrooms. The soil may also contain fungi that are not visible. Basically,...

There are various names for the fungal disease blackleg, such as Gaeumannomyces, Ophiobulus, take-all patch.Blackleg initially manifests itself as yel...

The brown patch has two pathogen types with different temperature requirements. The optimum temperature for Rhizoctonia solani is 25 - 30 °C, with war...