Penn State Extension

53 Results

List Grid

Photo by Michael Houtz, Penn State
Calibrating Your Fertilizer Spreader - Articles Articles

Calibrating Your Fertilizer Spreader

Peter Landschoot, Ph.D.

Spreaders can be calibrated in several ways, but the following methods are relatively simple, fast, and accurate. More
Home Lawn Care Workshop - Workshops Workshops
Learn proper methods of weed control, lawn renovation and management of lawn pests. More
Jimsonweed, Datura stramonium. Photo: Jan Samanek, Phytosanitary Administration,
Toxic Weed in the Landscape: Jimsonweed - News News
Jimsonweed is an annual plant that is poisonous to animals and humans. More
Photo: Ohio State Weed Lab, The Ohio State University, common mallow (Malva neglecta)
Landscape Management: Common Mallow - News News
Considered a weed in turfgrass and landscape beds, common mallow is an interesting plant in that it can be an annual or biennial. More
Epipactis helleborine. Photo: Amy Korman, Penn State
Be on the Lookout for Invasive Orchids - News News
Epipactis helleborine, the Broad-leaved Helleborine, is an invasive orchid that continues to plague Pennsylvania landscapes. More
Japanese Beetle Management
Japanese Beetle Management - Online Courses Online Courses

Japanese Beetle Management


1 hour

Learn to recognize the damage Japanese beetles do to turfgrass and ornamental plants, and how to manage infestations. Earn pesticide applicator credits. More
Photo: Chris Evans, University of Illinois,, Queen Anne's lace, wild carrot, Daucus carota
Wild Carrot or Queen Anne’s Lace - Articles Articles
Wild carrot or Queen Anne’s lace (Daucus carota) is a biennial. More
Composted mushroom media
Spent Mushroom Substrate as a Soil Amendment in Turf - Articles Articles
If you are trying to improve the quality of turf growing in poor or marginal soils, consider using spent mushroom substrate (SMS) as a soil amendment. More
White grub damage in a residential lawn. Photo: N. Bosold, Penn State (retired)
White Grubs—Underground Marauders in Turf - Articles Articles
White grubs are probably one of the most common turfgrass insect pests encountered in Pennsylvania lawns. More
Jim Baker, North Carolina State University,
White Grubs in Home Lawns - Articles Articles
Home lawns in Pennsylvania can be damaged by the larval stages of various species of scarab beetles, including Japanese beetles and northern masked chafer grubs. More
Mark Dreiling,
Sod Webworms in Home Lawns - Articles Articles
Several species of sod webworms or "lawn moths" commonly infest home lawns. The larvae can cause major damage to residential turfgrass, especially during drought. More
David Shetlar, The Ohio State University,
Billbugs in Home Lawns - Articles Articles

Billbugs in Home Lawns

Paul Heller

Several billbug species occur on turf, but the bluegrass billbug is the most common in our state. More
Best Management Practices for Bee Health
Best Management Practices for Bee Health - Articles Articles
The Horticultural Research Institute, the research foundation of AmericanHort, announces the release of Best Management Practices for Bee Health in the Horticultural Industry. More
Lawn Establishment
Lawn Establishment - Articles Articles

Lawn Establishment

Peter Landschoot, Ph.D.

Establishing a new lawn begins with careful planning, knowledge of soil conditions, and an understanding of the environmental and cultural requirements of turfgrasses. More
William M. Brown Jr.,
Aeration of Turfgrass Areas - Articles Articles

Aeration of Turfgrass Areas

Jayson K. Harper, Ph.D., John C. Harper II

Mechanical aeration provides an excellent, and probably the only, means of correcting or alleviating soil compaction which may be quite serious on many lawn areas. More
Calculations Used to Determine the Amount of Fertilizer Needed to Treat Turf
Calculations Used to Determine the Amount of Fertilizer Needed to Treat Turf - Articles Articles
A fundamental problem in turfgrass fertilization involves determining how much fertilizer is needed to supply a specified amount of nitrogen (or any other nutrient) per 1000 sq ft. More
Lynn Sosnoskie, University of Georgia,
Calculating the Price of Pure Live Seed - Articles Articles
How to calculate the cost of seed. More
Photo: Karan A. Rawlins, University of Georgia,
Black Medic - Articles Articles

Black Medic

Tim Abbey

Black medic (Medicago lupulina) is a spreading, low growing summer annual. More
How Much Soil Phosphorus is in Pennsylvania’s Lawns?
How Much Soil Phosphorus is in Pennsylvania’s Lawns? - Articles Articles

How Much Soil Phosphorus is in Pennsylvania’s Lawns?

Peter Landschoot, Ph.D., John Spargo

Indiscriminate use of phosphorus-containing fertilizer on runoff-prone turfgrass sites is thought to contribute to contamination of ground and surface water. More
Managing Turfgrass Diseases
Managing Turfgrass Diseases - Guides and Publications Guides and Publications

Managing Turfgrass Diseases

Peter Landschoot, Ph.D.


Identify and manage common diseases in your lawn. More
Consider including violets in landscapes, or just leaving them where they are doing well. Photo: Kathleen Salisbury
Underused Native Plants: Common Blue Violets - Articles Articles
Native plants have become very popular over the years. More
Photo: Peter Landschoot
Enhanced Efficiency Nitrogen Fertilizers for Turfgrasses - Articles Articles
Choosing a fertilizer is an important management decision that affects the quality, color, and durability of your turf. More
Close up of earthworm casts on golf course turf. Photo: Pete Landschoot
Earthworms In Sports Turf: Making A Mess In Fall - Articles Articles
Earthworms play an important role in turfgrass ecosystems through their burrowing activities and by breaking down thatch and organic matter. More
Soil Testing
Soil Testing - Articles Articles
Soil testing is a soil-management tool used to determine the fertility of soil as well as the optimum lime and fertilizer requirements for crops. More
Photo: Chris Evans, University of Illinois,, annual sowthistle, Sonchus oleraceus
Annual Sowthistle - Articles Articles

Annual Sowthistle

Tim Abbey

Annual sowthistle (Sonchus olearaceus) is one of the annual thistles. More
  1. 1
  2. 2
  3. 3