Grasses

The family of grasses includes cereal grasses, bamboo species, grasses found in natural grasslands and grasses for lawns and pastures.

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Foto: Lupus in Saxonia - CC BY-SA 4.0
  • Grass is not poisonous, but neither is it edible. Humans cannot digest grass.

The family of grasses (Poaceae or Gramineae) includes cereal grasses (wheat, barley, etc.), bamboo species, grasses found in natural grasslands (steppes, savannas) and grasses for lawns and pastures.

Bugs

Brown spots in the grass, sod becomes loose and dries out: chafer grubs, larvae of the Summer Chafer, Welsh Chafer and the Common Cockchafer, among others.

Round bald spots in the grass: leatherjackets, larvae of the crane fly.

In autumn, damage (brown spots) to the lawn becomes apparent: larvae of the hawthorn fly (Bibio marci).

Fungi & diseases

Fairy Ring, photo: Education Crazy – CC By-SA 2.5 nl

Circular discoloration, dead grass or reduced growth: Fairy Rings.

White, watery spots, later discoloring to yellow to brown: snow mold (Fusarium patch).

Red/brown spots with pink fungus: red thread (Laetisaria fuciformis).

Mildew and gray spots in the grass: powdery mildew (Erysiphe gramanis).

Brown or orange funguson grass blades: rust disease.

Fatty, watery brown spots: grease spot (Pythium blight).

Other

recognize dried grass, lawn
Yellowed and withered grass, photo: PlantEnPlagen

Grass is parched: drought damage. Over-fertilization can produce a similar result; the grass is not withered but burned.

Urine spots, photo: PlatnEn Plagen

Brown, burned spots in the lawn: urine spots (dog) or spilled fuel from motor mower.

Mosses in the lawn, photo: PlantEnPlagen

Lots of mosses in the gasun. See to scarify or not to scarify.

Molehill, photo: CC0 Public Domain

Molehills in the lawn: mole