This easy to mix liquid concentrate is approved for use all around the garden Its ideal for killing stubborn weeds in gravel areas, paths, drives and along fences. It can be used to clean up weedy areas before planting vegetables, flowers, shrubs and to renovate overgrown areas. Because Roundup® Optima+ Concentrate is a systemic total kill weedkiller, it is ideal for use before turfing or seeding to create a clean seedbed for your new lawn. Roundup® Optima+ is inactivated on contact with the soil and is then broken down by micro-organisms to allow replanting the following day.
The recommended rate for most applications is 20ml mixed in 1 litre of water, which covers an area of 30m². Each 210ml container makes up to 10 litres of spray, enough to treat over 300m². Some weeds such as Horsetail and Ground Elder may require more than one application if regrowth appears.
Soluble concentrate containing 170g/l (15.04% w/w) glyphosate acid
Present as 208g/l (18.43% w/w) potassium salt of glyphosate