Buy the smallest amount of the product available to control the size of the area you have to treatĪnnual meadow grass ( Poa annua): Little response to lawn weedkillers.Alternatively, look in our Weedkillers for gardeners document – sections 1b, c and d – for the corresponding product trade names (such as dicamba/mecoprop-P is sold as ‘Resolva Lawn Weedkiller Extra’).Now you know the active ingredients that will work, you can take these names to a garden centre or DIY store and get a product that contains these.This tells you which products to use (it states the active ingredients, such as fluroxypyr), and how many applications will be needed to control the weeds At the end of the name, it states a control method (numbers 1-7).The aim here is to target the weeds you have and use the minimum amount of product needed to carry out the control. If you decide to use weedkillers rather than cultural control methods, here is a guide to choosing the right weedkiller for your lawns. If chemical controls are used, they should be used only in a minimal and highly targeted manner. 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. Malvern Autumn Show - 22–24 September 2023.RHS Garden Wisley Flower Show - 5–10 September 2023.RHS Garden Rosemoor Flower Show - 18–20 August 2023.

RHS Garden Hyde Hall Flower Show - 2–6 August 2023.RHS Flower Show Tatton Park - 19–23 July 2023.RHS Hampton Court Palace Garden Festival - 4–9 July 2023.

Buttercup weed in lawn