Tower Hotline: 440.602.3838 | Phone: 440.946.4400 
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 […]
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 […]
By Connor Ryan
Grafting is an ancient technique of joining two distinct plants together. Grafts occur naturally or they can occur through human intervention. In practice, grafting usually involves the joining of the shoots of one plant (termed the “scion”) to the roots of another (termed the “rootstock” or “understock”).
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 […]
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 […]
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 […]
By Horticulturist Hilary Wright Did you know Ohio has native prairie habitats? These are indigenous habitats to Ohio, most of which are on the western part of the state. Lucky for us, there’s one in our ‘backyard’ here at the Arboretum. Part of the Myrtle S. Holden Wildflower Garden, the prairie habitat was established beginning […]
Today we have gardening insights and tips from two of our horticulturists: Nick, who tells us about some of the best veggies to plant now, and Dawn who tells us about an unusual sight in nature and why it occurs!
As we prepare to open the “Tilt-a-Whirl” installation for Patrick Dougherty’s Stickwork, the team at Holden Forests & Gardens would like to thank our volunteers who worked alongside Patrick and his son Sam to create the work of art.
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. […]
Wednesday IS Sauce Day! To our horticulturist Dawn Gerlica who has lead us with her Victory Gardening Series, when faced with that first flush of tomatoes from the garden, it means it’s time to take a day to make spaghetti sauce. Although there are as many ways as there are recipes to make sauce, this […]
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 […]
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 […]
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 […]
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 […]
Did you plant a new tree earlier this spring? Is it showing signs of transplant stress such as wilting, browning or curling leaves, drooping foliage or early fall color? Does the soil surrounding the trunk look like the surface of the moon? If so, it’s likely that it is not be receiving adequate water. Newly […]
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 […]