Campbell Airstrip Road 9 a.m.-9 p.m.
Interpretive signs help with plant identification, including native plants along pathway borders.
The Garden Fair is June 30 from 10 a.m.-6 p.m. The garden connects to a 1.1 mile trail adjoining the facility. No admission, but a donation is suggested. A trumpeter swan beats its wings while feeding at Potter Marsh. The swans migrate north to Southcentral Alaska during the summer.