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Updated: October 23, 2024
Spiny Witchhazel Gall Aphid Images
Spiny witchhazel gall aphid photos on birch and witchhazel
Updated: October 23, 2024
Crapemyrtle Bark Scale
Crapemrytle bark scale was first confirmed in Maryland in April 2020 by the Maryland Department of Agriculture. It was later found in Frederick and Carroll Counties. Monitor crape myrtles closely for this pest to limit the spread of the scale insect.
Updated: October 23, 2024
Eastern Tent Caterpillar Images
Eastern tent caterpillar and moth photos
Updated: April 2, 2024
Planting Trees In Our Changing Climate
Trees are a climate change solution. They provide many benefits in home and urban landscapes - shading, cooling, stormwater management, energy savings, carbon sequestration, and more. Maryland has a goal to plant 5 million native trees by 2031.
Updated: February 27, 2023
What Causes Trees and Shrubs to Die?
Not all plant problems are caused by insects and diseases. Many tree and shrub problems are due to environmental issues or planting errors.
Updated: February 14, 2022
Boxwood Leafminer Images
Photos of stages and damage of boxwood leafminer
Updated: February 14, 2022
Boxwood Psyllid Images
Boxwood psyllid images
Updated: February 9, 2022
Plant Phenology Images 1
Images of phenological indicator plants for pest predictive calendar
Updated: February 9, 2022
Plant Phenology Images 2
Photos for flowering plants
Updated: January 21, 2022
Browning and Defoliation of White Oaks
University of Maryland Extension was receiving numerous reports of sudden discoloration of foliage and death of white oak (Quercus alba) trees throughout the Mid-Atlantic region in August through October of 2019. Article covers possible causes including drought, excessive rain, and accelerated tree decline.
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