Warren from Rio Hondo writes
GrazonNext HL Herbicide does not include sandbur as a target weed on the product label. However, you may consider Pastora Herbicide WP as an alternative option, which does target sandbur, and can be applied to established Bermudagrass pastures and hay meadows used for grazing, if used as directed on the product label.
Answer last updated on: 01/19/2022