Airborne Particulate Matter (PM) released through exhaust fans from livestock barns can be environmentally objectionable resulting in enhanced odors and the release ammonia and harmful microbes. While large trees and woody shrubs have been recommended as Vegetative Environmental Buffers (VEB) for capturing PM from exhaust from off the ground ventilation fans in livestock barns, grasses due to their smaller vegetative size may be more suitable for capturing PM from exhaust from ground level manure pit fans often unique to swine barns. Since there is limited information on the use of grasses as VEB in animal barns, we developed this preliminary investigation to determine if warm season grasses (Panicum virgatum L. ‘Northwind’, Miscanthus sinensis Anderss. ‘Zebrinus’, and Andropogon gerardii Vitman ‘Blackhawk’) could capture air borne particulates (PM10 and PM2.5) from ground level manure pit exhaust fans located at a swine finishing facility near Lancaster, Pennsylvania (USA). We observed that all three grass species accumulated PM on their leaves with the more pubescent leafed species (Miscanthus and Andropogon) tending to capture more PM on their leaves than the non-pubescent leafed Panicum. Additional research evaluating a larger number of plants and species is needed for more accurate interpretation of results and to further refine and improve the conclusions and recommendations on the use of warm season grasses as VEB for PM in these facilities.