Hidden In Plein Sight: Our Hudson Valley - Open Call: February 9 - March 9, 2026. Artists will be notified by email on March 13. Garrison Art Center welcomes artists to apply to participate in our spring fundraiser. In the plein air tradition of the Hudson Valley and Garrison Art Center, artists are encouraged to compose works from direct observation, creating landscape-inspired art in a variety of mediums at locations of their choice. Artists are invited to consider the industrial elements present in our surroundings as part of that landscape.