Small nibbles of untreated grass are usually tolerated by healthy pets. The main risk is from herbicides, fertilizers, and weed-control products left on treated lawns. Keep pets away from recently treated areas.
Grass includes many lawn and field species with narrow blades, found in yards, parks, and pastures. Indoor cat grass is grown from wheatgrass or barley.
Pets nibble grass outdoors or from indoor growing trays. Lawn edges, garden borders, and treated patches are common exposure points.
Fresh clippings may carry residue and can clump in the stomach if large amounts are swallowed. Morning dew spreads surface chemicals across blades. Untreated indoor cat grass is safer than outdoor lawn grass.
