The Arboretum is located just east of Sioux Falls off Highway 42 and across from Arrowhead Park.
The Arboretum grounds are open 7 days a week, year round, from dawn to dusk.
Jasper Educational Center Hours:
Summer: Every day, 10:00 a.m.--4:30 p.m.
Winter: Saturday & Sunday, 10:00 a.m.--4:30 p.m.
Mabel and Judy Jasper Educational Center Hours
Everyday 10 a.m.-4:30 p.m.
Saturday & Sunday 10 a.m.-4:30 p.m.
The grounds are open from dawn to dusk year-round.
All scheduled activities at the Mary Jo Wegner Arboretum and East Sioux Falls Historic Site must be scheduled through the Jasper Educational Center staff.