Garden Plants

Sorbus alnifolia

Sorbus alnifolia fall color photo credit: J. CoceanoNow that the brisk temperatures of January are setting in, I have noticed trees and shrubs showing off their winter interest.  One tree that grabs my attention every time I walk by is Sorbus alnifolia. This tree has show-stopping qualities not only in winter, but throughout the year.

ISSUE 179 small web The November issue of Gardens Illustrated featured a plant profile on Sorbus.  This genus includes about 100 species of trees and shrubs, which go by a variety of common names such as mountain ash, rowan, and service tree.  While the magazine highlights the many desirable traits of Sorbus, such as their multi-season appeal, this…

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Asparagus schoberioides

Asparagus schoberioides photo credit: R. RobertDuring the winter chill, gardeners are often caught daydreaming of warm weather and the colors of spring. We fantasize about all the great plants we can add to our gardens including experimenting with new and usual ones. At the Scott Arboretum we also experiment with potential new garden plants. This fall, I stumbled upon our garden supervisor Chuck Hinkle’s trial of Asparagus schoberioides.

This asparagus caught my eye with a deep yellow fall color dotted with brilliant red berries. Native to Siberia, this edible perennial is dioecious, requiring male and female plants to produce those attention-grabbing berries. The foliage of Asparagus…

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Boxwoods at the Scott Arboretum

Winter containers in the Scott Entrance Garden. photo credit: R. RobertEach year the Scott Arboretum participates in the National Boxwood Trials published by Paul Saunders of Saunders Brothers Nursery. As a cooperator of this program, we evaluate 13 cultivars of boxwood annually.

Buxus sempervirens 'Vardar Valley' (1) JWC

Buxus sempervirens 'Vardar Valley' is a PHS Gold Medal winner. photo credit: J. Coceano

The evaluation process is relatively simple.   We evaluate for “grower friendliness” on a scale of 1 to 5 with 5 being “easy” and  1 being “difficult,” and “impulse cosmetics” with 5 being “wow” and 1 being “ugly.”  We also record additional comments which often include notes on pest and disease problems.

Buxus sempervirens 'Newport Blue' (1) JWC

Buxus sempervirens 'Newport Blue' has an…

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