St. Ciyawa Augustine wani nau'in ciyawa ne na lokacin dumi wanda aka fi samu a yankuna masu zafi da na wurare masu zafi. Kalmar "Ciyawa St. Augustine" na iya nufin ciyawa kanta ko kuma ga wani takamaiman ciyawar ciyawa. Sunan wannan kalma bayan St. Augustine, Florida, inda aka fara gabatar da ciyawa zuwa Amurka.St. An ayyana ciyawa Augustine a matsayin "ciyawar ciyawa mai rarrafe da yawa (Stenotaphrum secundatum) wacce aka saba da ita musamman ga yankuna masu dumi da ɗanɗanar bakin teku kuma galibi ana amfani da ita don lawns da turf."