Hoyt Arboretum is home to over 6,000 trees—with more than 2,300 species from over 170 families. Tree species are selected for the collection to promote conservation, education, and research, and sometimes a single species meets all 3 of those priorities. Meet Liriodendron tulipifera! AKA the tulip tree! Tulip trees are a new favorite of Hoyt … Read more
Summer in Portland, a yearly thing, usually hot and getting hotter with the constant pressure of climate change. As the heat rises and sun exposure increases, we are pushed to find solutions to keep the thousands of plants at Hoyt Arboretum alive. These include many rare, threatened, and endangered species we work to protect, and … Read more
When the cool spring rains give way to the warm sun of summer, the plants of Hoyt Arboretum enter new phenological stages. In some cases, flowers turn to fruits and seeds, and the Arboretum is green and ripening. Fruits & Berries Red elderberries and red huckleberries can be found lining the woodsy trails above your … Read more
Waking up at 5:30 am to go on an adventure is something that a fair few have done, but leaving Portland, Oregon to take a road trip south to Happy Camp, California with the intent of planting trees and exploring various roadside and mountain slope plants is probably not as common. On April 17th, 2024, … Read more
Blackberry thickets are a prominent (and prickly) feature of many Pacific Northwest natural areas including at Hoyt Arboretum and many other Portland Parks. The most common species of exotic blackberry in our region is widely accepted as Rubus armeniacus (AKA Himalayan or Armenian blackberry), but there are a couple of other exotic Rubus spp. that … Read more