Hoyt Arboretum
22 upcoming events
Listings from Explore Washington Park, Meetup Portland Outdoor Activities
Related venues (2)
Tree Time! Preschool Walk
Tuesday Crew 11/03/2026
Tree Time! Preschool Walk
What Are Trees Thinking
A Forest Workshop in Tree Intelligence and Connection Trees communicate, respond, make decisions, and even cooperate with one another. Recent research confirms what many of us intuitively feel—trees are aware and alive in astonishing ways. — 40
Healing Herbs of the Arboretum
Tree Time! Preschool Walk
Tuesday Crew 11/10/2026
Forest Field Day: Dirt Day
What wiggles, wriggles, and lives beneath our feet? Is dirt really such a big deal? In this program, we will be exploring the world of soil! Prepare to get dirty, and leave with a new appreciation of the fantastic world just out of sight. Please register on the Hoyt Arboretum website. — 15
Tree Time! Preschool Walk
Moss & Lichen: Science and Stroll
Join instructor Ruth Williams, as she guides you through an exploration of the tiny world of lichens and moss. Discover the lifeycles and ecological niches that are unique to these organisms as you get acquanited with five common moss and lichen you will find in the Portland area. The program will start with a discussion indoors before heading out on the trails for a walk on paved paths that will total less than one mile. — 35