This common annual broadleaf weed is well known for spreading quickly across lawns if left unchecked.
Most post emergent weed killers are capable of killing any patches that you want to completely eradicate.
Because of the speed of growth, control can be difficult. And it will take over your lawn if you leave it. So it’s best to deal with it as soon as you can.
Try crushing a leaf between your fingers. It should give off a strong smell of garlic and onion.
But the English daisy can be further identified by the spatula-shaped leaves that grow from 1-2.5 inches long that are arranged in a rosette. The edges of the leaves are serrated, and rounded at the top.
And a pre-emergent herbicide applied in late summer or early fall is also useful to stop its seeds from germinating.
Dandelions: Dandelions are well known in many lawns and gardens– their fuzzy yellow blooms popping up nearly anywhere. While their deep taproots make them difficult to control, they generally spread through their easily recognized white, fluffy seedheads.
Knotweed: Knotweed is an annual weed, common along sidewalks. It usually thrives in dry, compacted soils. Knotweed forms a tough, wiry mat of stems and blue-green leaves with small white flowers. It is often confused with spurge, however, this weed does not produce a milky sap. It does produce numerous seeds, which can be reduced with annual aeration.
How to Identify Weed Types
Ground ivy: Also known as creeping charlie, this weed is extremely difficult to control, as this creeping plant (recognized by its round, scalloped leaves, square stems, and small purplish flowers) can form large patches in shady, moist areas of the landscape.
One of the best ways to identify lawn weeds is by looking closely at the soil in your landscape. Many common lawn weeds can be found growing in certain types of soil, making this an excellent way to identify specific types you may have growing in your landscape. Here are some of the most commonly seen weeds:
Lawn Weed Identification
Spotted spurge: Spotted spurge has a reddish purple spot in the center of each leaf and the sap is milky (which may cause a rash in sensitive individuals). This annual weed can be pulled up easily in moist soil. Improving the density of lawn grass can help keep it under control.