The pussy willows on Meadow Road are blooming, with brilliant red and yellow flowers emerging from the classic fuzzy buds. Join Manager of Horticulture Rachel Brinkman for a Tree Mob celebrating this unique plant.

The Arboretum’s Forsythia collection is not only a beautiful display of yellow every spring, but it is also one of the most significant of its kind on the planet. Such is its importance that it is one of the eight Nationally Accredited Collections at the Arnold Arboretum. Some of these accessions were collected from the wild in Asia (including North Korea) while others are cultivars introduced by Arboretum scientists and others to improve the ornamental merits of the genus. Join Keeper of the Living Collections Michael Dosmann on a stroll to learn more about Forsythia and some the storied plants that grow here.

The cherry trees are blooming at the Arboretum! Join Horticulturist Rachel Lawlor to learn about cherry trees’ history and cultural ties, the cultivars the Arboretum has introduced, how to identify cherry species and how to care for them in your own yard.

In the heat of summer, lightning strikes represent a threat to the tallest trees of our collections. Join arborist AJ Tataronis for a Tree Mob to learn how the Arboretum’s Horticulture team works to protect our trees from lightning strikes during summer storms.

The linden trees are fruiting at the Arboretum! Join Horticulturist Ryan Devlin to learn about these unique trees, the many species and cultivars here, and how Arboretum staff manage this beautiful collection. We will meet in front of Hunnewell and then walk a few minutes down the road to the linden collection.

Sourwood is a fall foliage favorite, with beautifully bright red leaves to compliment its deeply furrowed bark. Join Horticulturist Brendan Keegan for a Tree Mob on this showstopper and learn why the leaves are so vibrant in the fall and how it got the name “sourwood” in the first place.