By Brooklyn Evas, Pam Sharp, Shelley Mitchell, Ryan Patton, Justin Quetone Moss. Knowing how to recognize poison ivy, oak and sumac can save you from a miserable red itchy rash. All three of these closely related plants contain an irritating, oily sap called urushiol. Urushiol causes many people to break out in a rash when it comes in contact with their skin. Being able to identify these plants is beneficial considering there are many plants that look similar, but are harmless. This Fact Sheet is to help inform and educate the general public on how to identify poison ivy, poison oak and poison sumac so they can be avoided.

A list of proven Oklahoma plants that are tolerant for environmental conditions and friendly for gardens.

This circular discusses propagation techniques for different types plants.

An overview of information necessary to create habitats for butterflies, moths and skippers with the greatest ease for property owners or tenants.

A checklist with an emphasis on prevention rather than remediation for a landscape maintenance schedule.

The process of successfully submitting a plant for identification to OSU.

This article describes plants that are suitable for Oklahoma due to their heat and drought tolerance as well as commercial availability.

Suggestions on breaking up a landscape into "rooms" to make an outdoor space more aesthetically pleasing and functional.