Samples from pruned trees

Samples from pruned trees

Feature story

Pruning in Longenecker Horticultural Gardens Arboretum News

One of the most important maintenance tasks in the Arboretum’s horticultural collections is pruning. We strive to showcase the natural growth habits and qualities of our specimens, but cultivated plants …

Recent posts

Amynthas species are much more hyperactive than their European cousins. Photo: Susan Day/UW–Madison Arboretum

Worming Their Way into Wisconsin: Invasive "Jumping Worms" Could Damage Habitat In the Media

The invasive Amynthas worms were first confirmed at the Arboretum in 2013. The worms are originally from temperate regions of Asia. They have since been found around Dane County and elsewhere in …

A rusty-patched bumblebee on Culver’s root in the UW–Madison Arboretum. The Arboretum’s insecticide-free prairies, woodlands and gardens are a paradise for the rusty-patched and at least a dozen other bumblebee species. PHOTO: SUSAN DAY/UW–MADISON ARBORETUM

Arboretum Prairies Offer Rare Refuge for Vanishing Bumblebee In the Media

“A proposal by the U.S. Fish and Wildlife Service to seek endangered status for the rusty-patched bumblebee has focused renewed attention on bumblebees living at the University of Wisconsin–Madison Arboretum. …

Coral fungus. (Photo: Sara Christopherson)

Sampler Tour Naturalists’ Notes


Weather conditions were changing quickly before, during, and after Sunday’s tour. Despite earlier forecasts of no rain (at least during the tour time), we could feel the air getting …