Lawn weeds at a glance - recognize and determine

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Lawn weeds at a glance - recognize and determine: lawn

The best known and probably the most persistent grass weeds or wild herbs are greed, couch grass, dandelion and horn clover. Other so-called weeds such as the white clover (Trifolium repens), the daisy (Bellis perennis), the broadleaf plantain (Plantago major) or the creeping buttercup (Ranunculus repens) are often found in the lawn, where they partially spread. The way of fighting is different for one-year species than for perennial ones. Wild plants can not be completely avoided in the lawn.

Recognize and determine weeds

Giersch, also known as trefoil, goatfoot, Zaungiersch or goatweed, forms subterranean spur over which it spreads. This perennial wild plant grows from a proliferating rhizome. Their stems are edged, bald, hollow and between 30 and 100 cm high. The leaves are three-piece, bald or hairy and alternate. The flat, white inflorescences appear from June to July consist of 12-18 radiant umbels without bracts. It forms caraway-like schizocarps.
The plant, also known as lacegrass, common, common or creeping Wheatgrass, grows perennially herbaceous and grows between 50 and 120 cm high. It forms foothills that branch underground and can be up to 2 m long. The couch develops up to 100 cm long stalks without inflorescences or ears bearing stalks. The green, blue frosted leaves are 3-5 cm wide and 6-30 cm long, shallow ribbed with a rough surface. At the bottom of the leaves is a claw-like leaf tube. The inflorescences are ährig and 5-20 cm long. The loosely to tight-fitting spikelets are 10-20 mm long. It blooms from June to August.

Tip: The couch grass is probably the most persistent of all grass weeds. However, she has in a regularly mowed lawn barely a chance to settle.

dandelionAlso dandelion, which is known as cow, canine or blowball belongs to the perennial weeds. It is 10-30 cm high and contains in all parts of the plant a white milk juice. Its roots are about 1 m rarely up to 2 m long fleshy taproots. On the short, strongly upturned shoot axis sit the dark green, 10-30 cm long, deeply incised and irregularly lobed leaves in a basal rosette. From the leaf axils arise the weakly felted, pick up and up to 60 cm high flower stalks, on which sit the butter yellow 3-5 cm large flowers. The flowering period lasts only a few days, with the bracts close in the rain, drought and at night. A few days after flowering, the withered ray florets fall off and the seeds emerge, each of which has a hairy parachute at its end, which has earned it the name 'Dandelion'.
The perennial daisy flowers depending on the weather from February to November, with April / May being the main flowering season. From March to November, a dense, perennial leaf rosette develops leafless 3-15 cm long flowering stems with cup-shaped single flowers. The daisy always aligns its flowers with the sun, closing it at night and in bad weather. The flowers are white, at the tips strong pink and yellow in the middle.

Daisies - Bellis

Common broadleaf vine, also called Ackerkraut, Großer Wegerich or Weg-Wegerich, can be recognized by its broad, palm-sized and spoon-shaped leaves, which originate from a basal leaf rosette. Characteristic are the 5-7 distinctly prominent leaf nerves that reach from the stem to the tip of the leaf. He is 10-30 cm high. The inflorescences are spike-shaped and consist of many inconspicuous whitish / reddish flowers. Flowering time is from May to September.
Thread Honorary Award (Veronica)
Typical of the award are its strongly branched growth and its violet blue flowers. This annual to perennial and 5-15 cm small wild plant spreads over Blattachselsprossen. The thread-like up to 50 cm long stems grow creeping. The leaves are rounded, petiolate and the leaf blades up to 15 mm long. The 8-14 mm flower crown is flat, three of the four petals are pale blue with darker stripes, the fourth petal is white to light blue. Flowering time is from March to June.
Klee is not always a lucky charm, especially not for lawn owners. Here is a distinction between white and horny clover, with horny clover is much more problematic. Both are perennial and flowering from May to September. Their flowers are easy to distinguish or determine. The globular flower heads of white clover with a diameter of 1.5 - 2.4 cm, are pure white and turn brownish when blooming from below.The leaves have a bright v-shaped drawing. The flowers of horny clover are bright yellow, rarely reddish and 8-15 cm long. While the white clover is a flower on each stem, the horn clover is 5-10 each.
Tip: Horny clover is not removed by regular or frequent mowing, on the contrary, it grows even better and spreads all the more.
Crawling buttercupThe Creeping Buttercup, better known as Buttercup, is especially recognizable by its golden-yellow, 2-3 cm large flowers, which grow individually from the leaf axils from May to August. Its leaves are three to fünfzählig, with the middle part is stalked. Its stems form creeping offshoots above ground.

Prevent weeds in the lawn

For effective prevention, one should already pay attention to high-quality seed when buying. Cheap seed is usually interspersed with weed seeds, as it is often made from forage grasses. These shoot up quickly and form in contrast to high quality seeds no dense sward. Another important aspect is the optimal care of the lawn. So you should mow twice a week between May and June, then once a week and the last time before the first frost. The optimal length is 3-4 cm. No less important is the regular and weather-oriented watering of the lawn. In March / April, fertilizer is used for the first time with a nitrogen-based lawn fertilizer. The second fertilization can take place between mid-May and mid-June, potassium-enhanced. Again administer a nitrogen-based long-term fertilizer in the summer and in September / October the last fertilization with a potassium fertilizer. In the fall, the lawn needs a very special cure, then it should be scarified. It's best to screw one more time in the spring.
Tip: Before fertilizing it makes sense to take a soil sample in order to determine the nutrient requirement. Otherwise, always pay attention to the correct dosage.
Each of these wild herbs has special properties that are clearly identifiable. With the right grass seed and optimal care, the growth and spread of many lawn weeds can be prevented as far as possible.

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