University of Maryland Extension

Integrated Pest Management

Base Name: 

Panicum virgatum - Switchgrass

Panicum virgatum ‘Northwind’ is a native switchgrass that can grow in either wet or dry soils. ‘Northwind’ grows in a compact clump, prefers full sun, and is cold tolerant in USDA zones 5-9. Plants grow in a tall column, 4-6 feet tall and only 2- 2 ½ feet wide, creating a slender blue-green...

Zizia aurea - Golden Alexander

Zizia aurea , golden Alexander, is a native herbaceous perennial that blooms from April to June with clusters of up to 20 tiny bright yellow flowers on a starburst flat-topped bouquet about 2-3 inches across. The flowers look a bit like Queen Anne’s lace in form. Plants are erect with branching...

Buddleia Pugster® Series

At the MNLGA Field Day at the Perennial Farm on June 25, 2019, there were some examples of the new Pugster® Buddleia by Proven Winners. Pugster Periwinkle® Buddleia x ‘SMNBDO’ USPP, was on display with a number of other beautiful herbaceous perennials that Dr. Allan Armitage wanted to highlight. Dr...

Ostrich Fern

Matteuccia struthiopteris , ostrich fern, is a native fern that prefers to grow in cool areas and is cold tolerant from USDA zones 3-7. Ostrich fern grows best in full to part shade and constantly moist, rich soils. It can reach heights of 3- 6 feet tall, spreading 5- 8 feet wide. This fern spreads...

Heptacodium miconioides - Seven-son flower

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 of the Week

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)

How to Use the Pest Predictive Calendar

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,...

Japanese Beetles

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

Tradescantia virginiana (spiderwort)

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 Gallery

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...


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