Mouse-ear Chickweed [Cerastium holosteoides]
Mouse ear chickweed is a short lived perennial weed that forms as a dense mat. It can tolerate
close mowing, which makes it a nuisance on fine turf luxury lawns.
Mouse ear chickweed has a shallow fibrous root system, it spreads by rooting at the nodes and by
seed. The small leaves are fleshy and covered in fine hairs.
The flowers which appear in clusters can be seen as early as April and last until November. They
are white in colour, with each flower producing 5 petals, however these petals are deeply lobed,
often giving the appearance if 10 petals
Mouse ear chickweed will grow in most soil types, but prefers cool, moist soils on shaded
Mouse ear chickweed may be hand weeded
if the infestation is not too severe. Improving the surface drainage of the lawn can help
discourage this weed, as can reducing the shade and increasing available light.
Once the weed has taken over chemicals in the form of a selective weed killer will be required.
Choose a product that is effective against mouse ear chickweed.
In many cases a single application should be enough to control this weed, however apply a second
application if necessary
When using any type of chemicals (including weed killers) on the lawn or elsewhere in the garden
always wear the correct protective equipment and clothing.
Always read the product label carefully and follow the manufacturers health & safety
recommendations and application guidelines.
For more information on the application of selective herbicide's please visit our Lawn Weeds page.