Louise Clarke is a senior horticulturist employed by the Morris Arboretum of the University of Pennsylvania. She is the horticultural director of Bloomfield Farm, where she curates a woody plant collection that includes more than 1200 trees and shrubs on 67 acres. Louise also tends over 5,000 square feet of vegetated roofs.

Louise Clarke is a senior horticulturist employed by the Morris Arboretum of the University of Pennsylvania. She is the horticultural director of Bloomfield Farm, where she curates a woody plant collection that includes more than 1200 trees and shrubs on 67 acres. Louise also tends over 5,000 square feet of vegetated roofs.

Kathy Jentz is Editor, Publisher, and Founder of Washington Gardener Magazine which is published specifically for the local metro area of Washington D.C. and its suburbs. The premier issue of the magazine was released in March/April 2005 and this year, celebrating its 15th year in publication.

The content of the magazine gives real examples that you can use directly in your garden while showing how to stretch garden resources. The articles are peppered with whimsy, with a good sense of humor and wonderment.

In this segment, Kathy will be talking about some of her favorite small trees for urban areas.

Bob Gutowski Director of Education, Visitor Experience, and Outreach at the Morris Arboretum of the University of Pennsylvania shares his many years of tree planting as a child and right through his professional career at Morris Arboretum. He retires in September.

Mindy Maslin founded Tree Tenders while working for PHS (Pennsylvania Horticulture Society) 30 years ago. The program has been adopted by many cities throughout the country. Mindy's unique perspective on trees comes from her early years as a social worker. Trees live in communities too!