Hawksbeard

Many lawns become yellow over summer due to mass of yellow flowers appearing from weeds commonly referred to as dandelions.

Problem Overview

Many lawns become yellow over summer due to mass of yellow flowers appearing from weeds commonly referred to as dandelions. The term dandelion is often used to describe a number of different species. They are all members of the Asteraceae (Compositae) family, all grow as rosettes with tap-roots, have yellow flowers on long green stems, and all produce ‘feathery’ pappus with their seeds, allowing them to be blown around in the wind.

Solutions

The seedlings of these species are fairly susceptible to most herbicides commonly used in turf. However, because of the large tap-root systems that develop once these weeds get established, older plants are more difficult to control. We recommend applying either Triumph Gold or Banvine at label rates.

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Twin Cress

Twin cress (Coronopus didymus) and a similar species called wart cress (Coronopus squamatus) are common broadleaf weeds in new turf.

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Pearlwort (Sagina procumbens) is more accurately called procumbent pearlwort.

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Poa annua is an annual grass weed from the large Poa family that tends to act as an annual grass

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