The name veronica was attributed since the flowers of this herb resemble the stains that remained on the cloth. Thyme-leaved speedwell. Other similar common, sprawling annual weeds with solitary flowers are Green field-speedwell, grey field-speedwell, common field-speedwell and ivy-leaved speedwell. The flowers do not set seed. According to records, speedwell used to be considered a remedy to all sorts of medical conditions. Slender Speedwell is a persistent weed and once it becomes established in the turf, can be difficult to eradicate. Woody weeds are the strongest sort of weeds, as well as the tallest. Slender Speedwell can tolerate a wide range of soil conditions, preferring moist sites, and can quite easily tolerate close mown lawns. Dandelion. Quackgrass 6. Slender Speedwell is more of a problem in closely mown turf than Germander Speedwell. Although there does not seem to be any research on how it does this. Slender speedwell (veronica filiformis) is a creeping perennial herb. Leaves kidney shaped or rounded, coarsely toothed, stalked, mostly opposite on non flowering stems, but alternate on flowering stems. Slender speedwell grows along the ground. The three upper petals of the flowers are blue and the lower petal a whitish, paler blue. Persian speedwell (Veronica persica), also called veronica speedwell, is a low-growing winter annual weed found in turf, nursery crops, and waste areas. Common mouse-ear.
But I gather you regard them as a ‘weed’. It was much grown as a rock plant until gardeners realised how invasive it could be. Slender Speedwell is a persistent weed and once it becomes established in the turf, can be difficult to eradicate. A weed is an unwanted plant in the wrong place. They spread by both underground and over ground runners. If it occurs in an area where the ground will be moved or disturbed or mowing is planned, it is best to remove the plant by hand. White clover. Both these plants spread from cuttings so most occurrences are due to mulch mowing, raking, scarifying or mowing in general where some plant material is left behind. Broad-leaved dock. Speedwells grow and root very quickly, soon producing quite large plants. Adam Espir, the group’s herbicide specialist, says carfentrazone is especially good at controlling four important weeds – speedwell (especially ivy-leaved), groundsel, bur chervil and cleavers. Find help & information on Veronica filiformis slender speedwell from the RHS Search. Required fields are marked *. Weeds of the Week: Slender and Corn Speedwell. Don’t mow the lawn 3 days prior and 3 days after the treatment, to allow for maximum uptake of the chemical. It grows on lawns all over the UK. Veronica filiformis is similar to other veronica species, such as veronica arvensis (wall speedwell) and veronica chamaedrys (germander speedwell). It is also known as ‘cat’s eye’ and ‘birds eye’, both names referring to … Boxing of the clipping when mowing will help prevent the weed from spreading. Germander speedwell spreads by both rhizomes and stolons (underground and overground runners) rooting at the nodes. 1. It is a garden escapee, Introduced from the Caucasus in the 1830's. Common Fumitory grows to a height of 10 to 40cm on long slender branched stems. There are over 20 species of speedwell found across the UK that grow in various places. 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