EVENT POSTPONED :: Jesse Owens’ Oak Tree Legacy to Live on in Cleveland

Due to the stay-at-home advisory issued by the Cuyahoga County Board of Health and the city of Cleveland, the planting of the newly propagated tree from the Jesse Owens Oak that was to take place at Rockefeller Park Lagoon tomorrow, Thursday, November 19th will be postponed until Spring 2021. Local elected officials and business leaders […]

Gardening Wednesday: Cyclamen and Seeds

By Dawn Gerlica, Horticulturist Cyclamen Even though we have seen our first snow and many trees and perennials have already gone dormant, there are still a few beauties out there that shine and laugh at the approaching winter. This Cyclamen hederifolium, ivy-leaved cyclamen, is still in bloom and showing off.  You can find these plants […]

Learn More About the Flowering Plant that’s Everywhere: Goldenrods

By Dawn Gerlica, Horticulturist The burst of smiling yellow blooms in every field seem to be saying goodbye to summer and welcome to autumn. This is the season of goldenrod. Solidago, commonly called goldenrods, is a genus of about 100 to 120 species of flowering plants in the aster family, Asteraceae. Most are herbaceous perennial […]

Pretty Purple Flowers Everywhere: Late Summer Asters

By Annie Rzepka, Horticulturist While we display many different types of asters at the Arboretum, some of our best will be in full bloom in the next month.  You can find New England aster (Symphyotrichum novae-angliae) in the Myrtle S. Holden Wildflower Garden and in the Arlene and Arthur Holden Butterfly Garden.  New England asters […]

National Mushroom Month: Studying the Fungi Under our Feet

By Sarah Carrino-Kyker We are continuing to celebrate National Mushroom Month! Mushrooms and other sporocarps are great and certainly worth celebrating, but they are a short stage in the fungal life cycle. Much of a fungus’s life is spent below ground as hyphae. Hyphae are filamentous (or thread-like) structures with an average size of only […]

Pollinator Series: Late Summer – Tall Purple Flowers and Long Horned Bees

By Mary Brennan, HF&G Volunteer and Ohio Volunteer Pollinator Specialist Each season has its treasures and late summer does not disappoint! It is a time of tall stately blossoms reaching for the golden sun. Look and you’ll see cheerful yellows, burnished golds and regal purples, all with their own pollinators eagerly gathering pollen and nectar. […]

Exploring the Rhododendron Research Network (R-RN)

By Juliana Medeiros, HF&G Plant Biologist The Rhododendron Research Network (R-RN) was founded at Holden in 2017 to increase collaboration and dissemination of Rhododendron research, to connect scientists with each other and with plant enthusiasts from across the globe. With 900+ species in the genus, representing a broad range of physiology and ecology, Rhododendron is […]

All about Pollinators Series: Carpenters ​- BIG ​and ​little ​!

Welcome to prime time “World of Pollinators”! July , August and September are such active months – flowers are celebrating with their riotous blooms of bright colors and lucious aromas, and the pollinators are taking full advantage! Have you noticed an increase in the activity- that lovely summer song of buzzing bees, the swooshing of […]

Stickwork Opens this Saturday!

Holden Forests & Gardens (HF&G) will open an outdoor sculpture experience at the Holden Arboretum on Saturday, August 29, 2020. Patrick Dougherty’s Stickwork  – twisting mazes, towering castles and hedges full of faces – have been featured in more than 300 locations around the world from Scotland to Japan to Brussels, and all over the […]

Science on Friday: Spring phenology monitoring wraps for the year

As spring transitions to summer, we’re wrapping up this year’s spring phenology monitoring in Bole Woods at the Holden Arboretum. Have you heard the term phenology before? Phenology is the study of the timing of natural phenomena – anything that has a seasonal signal. When does Trillium flower? When do hummingbirds arrive in northeast Ohio […]

The Murch Canopy Walk and the Kalberer Emergent Tower Open on Tuesday, June 16th

We continue to reopen the Holden Arboretum grounds to visitors looking for summer adventure close to home. The Murch Canopy Walk invites guests on a 500-foot-long elevated walkway that is built 65 feet above the forest floor. The Kalberer Emergent Tower is 120 feet or approximately 12 stories tall that provides a breathtaking view of […]