The Morton Arboretum's 1,700 acres hold more than 222,000 live plants representing nearly 4,300 taxa from around the world. Situated on the rolling Valparaiso moraine and bisected by the East Branch of the DuPage River, the Arboretum is planned and planted to nurture and display trees and shrubs in environments conducive to their growth.
MondayThe Arboretum grounds are open 365 days a year! Buildings are open daily, except Thanksgiving Day and Christmas Day; closed at 3:00 p.m. on Christmas Eve. The grounds open at 7:00 a.m. year-round and close at sunset. Visitor Center •January through February: Daily, 9:00 a.m. to 4:00 p.m. •March and April: Daily, 9:00 a.m. to 5:00 p.m. •May through October: Daily, 9:00 a.m. to 6:00 p.m. •November and December: Daily, 9:00 a.m. to 4:00 p.m. Closed Thanksgiving Day and Christmas Day; closed at 3:00 p.m. on Christmas Eve.