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Japanese Maples in Maryland Landscapes: Plant Location & Care Are Keys to Success
Posted on by Maryland Grows
The group of small ornamental shade trees lumped under the name Japanese maples, Acer palmatum and A. japonicum, and their many hybrids, are very popular with gardeners and plant enthusiasts. Most of the questions we receive about problems with Japanese…
Read MoreCategory: Lawn & Garden Tags: Author:Dave Clement, Japanese maples, landscaping, plant care, Trees
Why Is Leyland Cypress Turning Brown? Winter Took Its Toll
Posted on by Maryland Grows
Leyland cypress (x Cupressocyparis leylandii) has a lot going for it. It’s fast-growing with evergreen, feathery foliage and a pleasing, slender profile. It makes an excellent specimen tree or screening plant. A cross between two Pacific coast species, the Leyland cypress thrives…
Read MoreCategory: Lawn & Garden Tags: Author:Dave Clement, brown branches, Leyland cypress, winter damage
What’s Wrong with My Blue Spruce Tree?
Posted on by Maryland Grows
Dr. Dave Clement, University of Maryland Extension Plant Pathologist, explains two common diseases of this popular evergreen tree. Colorado blue spruce trees, although not native or adapted to Maryland, are commonly planted in landscapes for their attractive color and shape….
Read MoreCategory: Lawn & Garden Tags: Author:Dave Clement, Colorado blue spruce, conifers, evergreens, Trees
Why are Oaks Declining? Dr. Dave Describes 3 Oak Diseases
Posted on by Maryland Grows
We’ve recently received inquiries about oak trees declining and dying. People usually want to know if this is caused by oak wilt. Importantly, oak wilt is not known to occur widely in Maryland. Two common leaf diseases of oaks in…
Read MoreCategory: Lawn & Garden Tags: Author:Dave Clement, oak leaf problems, oak tree decline, oak wilt, oaks, Trees
Wilted Plants? Check for Signs of Southern Blight
Posted on by Maryland Grows
Southern blight is a plant disease that is active now in hot summer weather. It is caused by a fungus called Sclerotium rolfsii. This fungus has a wide host range including woody plants, vegetables and herbs, and ornamental perennials such as…
Read MoreCategory: Food Gardening, Lawn & Garden Tags: Author:Dave Clement, Diseases, Southern blight, Wilting
Brown Patch in Maryland Lawns
Posted on by Maryland Grows
Along with the start of summer time comes a common lawn disease for Maryland homeowners’ lawns called brown patch. The disease is caused by several fungal species of Rhizoctonia. Rainy summers are worse, but even drier summers have brown patch…
Read MoreCategory: Lawn & Garden Tags: Author:Dave Clement, Grass, Lawn, Summer
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