Flame azalea

Rhododendron calendulaceum

Flame azalea

Where can you find this plant? In Ohio: Only in unglaciated southeastern parts on rock outcrops. At HF&G: Holden Arboretum, Wildflower Garden, Rhododendron and Discovery Gardens. Bloom time: May-June, usually... more

Common jewelweed

Impatiens capensis

Common jewelweed

Where can you find this plant? In Ohio: Throughout, floodplain forests, disturbed wetlands, moist woodland edges. At HF&G: Cleveland Botanical Garden, Woodland Garden; Holden Arboretum, Wildflower Garden, Rhododendron Garden. Growing... more

American chestnut

Castanea dentata

American chestnut

Where can you find this plant? In Ohio: Stump sprouts persist in places, but no large mature trees known due to chestnut blight. At HF&G: Holden Arboretum, by Corning Visitor... more

Bloodroot

Sanguinaria canadensis

Bloodroot

Where can you find Bloodroot? In Ohio: Throughout given woodlands with rich soils. At HF&G: Cleveland Botanical Garden, Western Reserve Herb Society Herb Garden, medicinal and dye, also in Woodland... more

A Helping Hand from the Community

May 20, 2022

A Helping Hand from the Community

By Nicholas Chilson, Gardener

Other

With an upcoming project and a desperate need for cardboard we reached out to local businesses, and they delivered.Mulch can be a great tool for controlling weeds in the garden,... more

May 11, 2022

Euphorbias in flower

By Bernadette Gallagher, B.S. Wildlife Biology, ISA Certified Arborist, Gardner

Plants

Flowers are certainly not the first thing you may think of when you walk into our Madagascar Spiny Desert Biome. The first and most striking things you see are all... more

It’s the Tree’s Knees

April 25, 2022

It’s the Tree’s Knees

By Lorinda Laughlin, Gardener

Trees

If you’ve recently visited the Arboretum, you may have noticed what appears, at first glance, to be a flash-mob of squirrels convening around Blueberry Pond. Thanks to some winter rejuvenation... more

Arbor Day of Giving

April 12, 2022

Arbor Day of Giving

Make a donation in honor of Holden Forests & Gardens’ 6th Annual Arbor Day of Giving. Join us as we celebrate this milestone anniversary and help us reach our $85,000... more

Douglas-fir

Pseudotsuga menziesii

Douglas-fir

The Rocky Mountain variety of Douglas-fir, Pseudotsuga menziesii var. glauca is more commonly planted in the Eastern United States than the coastal variety from the temperate rain forest of the... more

Sugar maple

Acer saccharum

Sugar maple

Renowned for its autumn color, sugar maples are perhaps the most magnificent shade trees in northeastern Ohio. Sugar maple interbreeds with black maple which shares much of its native range.... more

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