Integrated Pest Management

Heptacodium miconioides , seven-son flower, is a deciduous small tree or a large shrub growing 15 – 20 feet tall and 8 – 10 feet wide. It prefers to grow in full sun or part shade. Seven-son flower provides flowers for butterflies, pollinators, and people in the late summer when most every other...

Weed Articles from the Landscape and Nursery IPM Report: Spring, Soil Temperatures and Herbicides (March 18, 2016) Soil Temperature and Weed Emergence (March 25, 2016)

Beginning in early spring, this table predicts the sequential phenological events of plants and pest insects and mites, and the cumulative growing degree days that correlate with each phenological event. Columns one and two list the plant or pest insect and mite by common name and taxonomic name,...

White grub management On their way back in Maryland (June 2014) Japanese beetles and natural enemies

By: Ginny Rosenkranz, Extension Educator, University of Maryland Extension, Eastern Shore Tradescantia virginian a, spiderwort, is an herbaceous perennial with a very unusual name. There are a few stories on how the plant got its name, but it could be the spidery-looking stamens in the center of...

Eastern Tent Caterpillar Before trees leaf out in the spring is a good time to look for eastern tent caterpillar egg masses on twigs; prune off branches when possible. Early instar caterpillars are clustered on the silk tents; tents are found in tree crotch angles. This late instar eastern tent...

The Pest Predictive Calendar is a monitoring tool to assist in predicting when susceptible life stage(s) (stage you want to target for control measures) of pest insects are active by using plant phenological indicators (PPI) and growing degree days (GDD). This tool will lead to improved timing of...

Article and Photos by Ginny Rosenkranz, Extension Educator, University of Maryland Extension Hellebores, also known as Lenten rose and Christmas rose, are one of the early spring blooming garden plants to enjoy. Hellebores are low growing evergreen herbaceous perennials that bloom winter through...

Oxydendrum arboretum , Sourwood Tree By: Ginny Rosenkranz, University of Maryland Extension Oxydendrum arboretum , sourwood tree, is a native tree that grows between 20 and 50 feet and is considered an understory tree, one that fits comfortably under the canopy of larger deciduous trees. It is in...

Funnel Spiders are abundant! By: Paula Shrewsbury, UMD September 2015 One morning last weekend I went to visit a neighbor and it looked like they had already decorated for Halloween. They had not. It was just a great day to see the hundreds of webs (and spiders) of funnel spiders that were active...