Warmer weather is on the horizon — here are the best outdoors spots near Boston for fresh air and relaxation. Arnold Arboretum on May 1, 2025. John Tlumacki/Boston Globe Staff ...

The following article was originally published on the Arnold Arboretum’s website and is republished here with permission from the Arnold Arboretum. The Arnold Arboretum is an outdoor classroom and ...

The Emerald Necklace, Olmsted Park, and Arnold Arboretum located in the picturesque state of Illinois, offers an Easy and enjoyable outdoor experience for cyclists of all skill levels. This ...

Boston's Arnold Arboretum is partnering with the the city, the MBTA and community groups to renovate a park entrance off Washington Street in Roslindale. The new entrance will open later this summer ...

The last Arnold Arboretum map was in 1978, and by 1990, the USDA map became the main reference. In 1990, the USDA map got a major update by H. Marc Cathey.

In 1990, the USDA and the National Arboretum, in Washington, D.C., collaborated on a map based on 13 years of data from several thousand weather stations.

The map has gone through several iterations since it was first published in 1927 by the Arnold Arboretum at Harvard University. That map showed only eight hardiness zones. The USDA first published a ...

The following was written with contributions by Jon Hetman, Lisa Pearson, and William (Ned) Friedman on behalf of the Arnold Arboretum community, and originally published on the arboretum’s website.

Harvard’s Arnold Arboretum Is Looking Toward the Next 150 Years The 281-acre park, which turns 150 this year, may hold clues on how to navigate an increasingly extreme ecological future.

“Becoming an arboretum takes us to the next level where we’re putting more time into the cultivation and curation of our collection of trees,” says Block, who joined Facilities Management in January.