Overview

The term ‘weed’ applies to plants growing where they are not wanted, in other contexts plants considered to be weeds on the lawn may be seen as wildflowers that are beneficial to wildlife. Many of the plants viewed as weeds on the lawn compete with the grass, survive regular mowing and become established in lawns where grass is sparse. Removing weeds before they get the opportunity to spread stops them from becoming a major problem. 

Weeds will grow in a wide range if locations if the conditions are favourable. In the lawn, thin bare patches provide an opportunity for weeds to grow, and it is worth looking for any underlying issues that may be contributing to the growth of weeds, such as poor drainage, a lack of nutrition and incorrect mowing. 

Many weed problems can be addressed through correct mowing. Mowing should be carried out regularly, in line with the weather and season. Mowing too low can weaken the grass and cause bare patches, which are ideal for the growth of weeds. 

Regular feeding, aerating and scarifying of the lawn encourages growth of thick, dense grass which make it more difficult for weeds to become established. 

During hot, dry conditions it is important to stop the grass from becoming drought stressed. Where grass coverage is reduced, there will be an opportunity for weeds to invade. 

Good lawn maintenance goes a long way to controlling weeds, making the conditions favourable for the growth of healthy, dense grass which in turn limits opportunities for weeds to become established.