University of Maryland Extension

Integrated Pest Management

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Brood X Periodical Cicadas

Periodical Cicadas: Brood X is Coming in 2021 By: Stanton Gill So much focus has been on the economy and the Covid situation let’s move forward to what is happening in the insect world this spring. First, take a minute and drift back to 2004. The air was “abuzz” with the sound of the 17-year...

Landscape and Nursery IPM Report Survey Results

University of Maryland Extension Landscape and Nursery IPM Report Survey Results (2006 - 2020): 2006 2007 2008 2009 2010 2011 2012 2013 2014

Spotted Lanternfly

Current Status Maryland Quarantine Map (2019) Maryland Quarantine Order - October 2019 Known Distribution Map - 2020 (NY State IPM Program) Research Spotted Lanternfly and Its Interactions With Its Host Plants - William Lamp, University of Maryland: Description of current research to determine host...

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,...


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