Learning to distinguish the symptoms of lightning strikes is a valuable tool for arborists, landscapers, pest control companies, and gardeners. The symptoms may be confused with other causes such as lethal yellowing disease (Candidatus palmae...

Greg reviews the key components to maintaining our stressed landscapes with tried and true Sustainable Landscape Management practices.

Speaker: Greg Paige, Director of Horticulture and Arboretum Curator, Bartlett Tree Research Laboratories and...

Field monitoring of urban trees is essential to learn how urban forests change over time. Many arborists and urban forest managers worldwide seek to understand how their tree systems are faring in terms of growth, health, and mortality. The Urban Tree...

The guide provides a detailed the native plants of New York that are crucial for supporting native specialist bees; including, where the region or habitat the plant occurs naturally, date of bloom, color of bloom, plant structure, how to obtain seeds...

This is a clip from Natural Start's COVID-19 Forum focused on plans for reopening nature-based early childhood programs. Megan Gessler of The Morton Arboretum in Lisle, IL, shares her program's plans for reopening.

The COVID-19 pandemic has changed our world in many ways. People with disabilities, people with chronic health conditions such as heart disease, lung disease, and diabetes, and people over the age 60, are at a higher risk of becoming infected and most...

With the current global spotlight on wild animal markets as a possible source of the COVID-19 epidemic, it is easy to forget that the biggest flows of “wildlife” in trade involve plants, not animals. This report summarises what is known about the trade...

Look for signs of anxiety in body language, tone and cadence. Understand that crisis behavior reflects a need and consider what it is the other person might want. 

Dealing with individuals who are belligerent, hostile, or noncompliant can be an everyday occurrence. Your effective response to this defensive behavior is often the key to avoiding
a physical confrontation with an out-of-control individual....

This general guidance applies to Smithsonian staff and volunteers.