The RHS believes that avoiding pests, diseases and weeds by good practice in cultivation methods, cultivar selection, garden hygiene and encouraging or introducing natural enemies, should be the first line of control. If chemical controls are used, they should be used in a only minimal and highly targeted manner.
For treating a few, individual weeds. You can often effectively remove these without chemicals
- Patio weeds are quick and easy to control with a ready-to-use spray gun
- Weeds in borders can often be treated individually (with caution and accuracy) using a ready-to-use spray gun, liquid concentrate or soluble sachet
Broad-scale weed treatment
For areas that have become covered with weeds - don't forget there are non-chemical options
- In an unplanted area, or where all plants are to be killed off, the most efficient and cost-effective method for treating larger areas of weeds is usually with a concentrate made up in a sprayer