Hours

The Arboretum is open 363 days per year; closed only on Thanksgiving and Christmas Day. The Arboretum also closes at 3 p.m. on Christmas Eve. 

LocationHours
Grounds8 a.m.-8 p.m
Buildings 
Oswald Visitor Center
Snyder Building		9 a.m.-7 p.m.
Andersen Horticultural Library9 a.m.-4:30 p.m., Tuesday-Friday 
10 a.m.-4:30 p.m., Saturday
Closed Sundays, Mondays & holidays
AppleHouseClosed for the season; Reopening Thursday, Aug. 20, 2026
Bee and Pollinator Center (Exhibits)9 a.m.-7 p.m.
Berens Cabin9 a.m.-7 p.m. 
Dog CommonsClosed during construction
Rootstock 9 a.m.-4 p.m.
Gift and Garden Store9 a.m.-7 p.m. 
Learning CenterThe Marion Andrus Learning Center is a Youth and Family Program Center open for registered programs and participants only.
Red Barn (Farm at the Arb)9 a.m.-7 p.m.
Green Play YardOpen during Arboretum grounds hours (located near the Learning Center)

Winter (November-February) 

  • Buildings: 9 a.m.-4 p.m.
  • Grounds: 8 a.m.-5 p.m. 

Spring (March, April) 

Hours change on daylight saving time date

  • Buildings: 9 a.m.-6 p.m.
  • Grounds: 8 a.m.-7 p.m. 

Summer (May-August) 

  • Buildings: 9 a.m.-7 p.m.
  • Grounds: 8 a.m.-8 p.m.

Fall (September, October) 

  • Buildings: 9 a.m.-6 p.m.
  • Grounds: 8 a.m.-7 p.m.

Seasonal Closures