Onion grass, also known as Guildford Grass is a perennial herb with dark green shiny leaves, a yellow base and a white corm.
Onion grass can be controlled effectively by Weed Forces Renovate.
Source: Victorian Resources Online 2020, Victorian Resources online, Agriculture Victoria, accessed 7 January 2022, < https://vro.agriculture.vic.gov.au/dpi/vro/vrosite.nsf/pages/weeds_onion_grass>.
Renovate Broadleaf and Woody Weed Herbicide is registered to control Onion Grass
When using Renovate to control Onion Grass: