This study aimed to establish a sulfate-salinity screening protocol for dry pea (Pisum sativum L.) and assess salinity responses from two North American pea germplasms. 'Agassiz' grown in cone-containers (410 or 556 ml) was irrigated with a sulfate salt mixture at 0 – 20 dS m-1 for four weeks with phenotypic data sampled once weekly. The results showed that a 4-week saline exposure at 10 dS m-1 with plants grown in the 556 ml containers can be used for salinity screening. When plants from two pea germplasms (North Dakota State University and United States Department of Agriculture) were exposed to the aforementioned saline condition, salinity reduced genetic diversity in both germplasms. Thirty-one genotypes with high performance under either growing condition were identified in the study, in which NDP080169, PI_117998 PSP and PI_270536 PSP showed good growth under both the stressed and non-stressed conditions.