Before plants are introduced to the nursery trade, horticultural researchers must evaluate them for insect invasiveness, disease resistance, cold hardiness, ornamental attributes, and a host of other criteria. At East Farm Horticultural Facility we evaluate many plants not native to Rhode Island but with the potential to enhance our environment. We are joined by Dr. Brian Maynard, horticultural professor at URI, to learn about a few of these new plants.

Paper Birch- Betula papyrifera

A shallow rooted deciduous tree with reddish brown bark as a sapling and smooth white bark as a mature tree. This shade-intolerant tree grows best in deep, well-drained, sandy or silty soil. The average height is about 70 to 80 feet with a 10-12 inch diameter. Originally this birch was bred in Wisconsin but may be out in our plant industry in about 5 years.

River Birch- Betula nigra

As a young deciduous tree a river birch has smooth salmon colored bark. A mature tree develops papery scales in a creamy brown color bark. The trunk of this tree usually divides low and has many arching branches that grow upward.

Chinese sweetgum- Liquidambar acalycina

The foliage of this sweetgum is a maroon autumn color that matures to a deep green. This deciduous tree is originally from Asia.

New plants are a driving force in the gardening industry. The Master Gardeners of URI help evaluate the plants. How long each plant must be evaluated before being introduced to nurseries depends on the species itself.

To view new plants at East Farm come visit during weekdays 8 am to 4 pm!

East Farm Horticultural Facility

Kingston Campus, East Farm (Rte. 108)

For more information please call the URI Master Gardener's at 1-800-448-1011.

Plant Pro Tips written by Rosie Lalli, Coastal Fellow