Registration and Coffee

Early Riser’s Tours of Scott Arboretum

Welcome

Claire Sawyers, Director, THe Scott Arboretum

The Diversity of New Trees

John Grimshaw

John Grimshaw looks at the range of trees introduced from the wild into gardens in the past 30-40 years, with particular emphasis on the hardier species suitable for eastern North America. He will discuss their origins, their introducers, and their potential for garden use.

Break

Dysfunctional Root Systems and Brief Landscape Lives: Stem Girdling Roots and the Browning of Our Landscape

Gary Johnson

Hidden below ground is an underground killer of many trees in landscapes everywhere: Stem Girdling Roots. Literally, these are roots that physically and physiologically girdle tree stems, causing premature death due to a decline in health or a sudden failure during a wind loading event. That is the bad part. The good part is that the problem is predictable, preventable and in many cases, treatable.

Trees, Shrubs, and Vines on the High Line: Past, Present, and Future

patrick Culina

Explore the evolution of woody plants on the High Line, a former elevated freight railway on the west side of Manhattan that has become one of the country’s most celebrated parks.

Lunch

Promising Plants Forum

Scott Wade, Longwood Gardens; Robert Herald,
Tyler Arboretum and Chanticleer;
Shelley Dillard, The Morris Arboretum
of the University of Pennsylvania

Seeing the Forest through our Trees

tim boland

Our forests face many challenges today. These include habitat fragmentation, invasive plants and animals, and climate change. In this presentation Tim Boland will give an historical account of the forests of New England from European settlement to the present. He will emphasize the role humans have played in shaping the landscape and review new approaches to forest conservation. These include proactive measures that seek a balance between the use and preservation of our forest resources from lessons learned from the past with an optimistic eye towards the future.

Break

The Explorer's Gardens: Shrubs and Vines from the Four Corners of the World

dan hinkley

Inspired by his world travels, Dan Hinkley will focus on a few of his favorite genera of shrubs and vines whose seed he collected in the wild and has under evaluation in his garden in Indianola, Washington. He will offer tips on propagation as well as successful cultivation.

Closing Comments and Afternoon Study Tours

Happy Hour

Mix and mingle with colleagues and horticultural professionals. Beer, wine and snacks will be served along with great conversation. A $15 registration fee is required.

Last shuttle leaves for Springfield Mall