To some gardeners, in order for a plant to reach showstopper status it has to do everything—continuously—for 12 months of the year. Think spring blooms of a Himalayan magnolia (Magnolia campbellii), summer foliage of ‘Little Honey’ oakleaf hydrangea (Hydrangea quercifolia ‘Little Honey’), fall fruit of a winterberry (Ilex verticillata), and winter bark of a paperbark maple (Acer griseum). And while we’d all likely drop a month’s paycheck on such a plant if it existed, I look for showstoppers that keep their powder dry, waiting for the perfect slot in the garden calendar to strut their stuff. Here are some of my criteria. See what shrubs we thought were show-stoppers.
1. It leaves a lasting impression.
If it grabs someone’s attention from across the garden—like the spiked winter hazel (Corylopsis spicata, Zones 5–8) pictured above—and the next time that person visits they are searching for that “wonderful plant,” it has earned the right to be called a showstopper.
2. It has one truly eye-catching trait.
Foliage as fine as frog hair, blooms that envelop the entire plant for weeks, or branching character that makes it impossible to look anywhere else are all winning traits. The excellent texture of Pancake™ arborvitae (Thuja occidentalis ‘Concesarini’, Zones 3–7, pictured) makes it a showstopper contender.
3. It has at least one season of serious interest.
Something like winterberry (Ilex verticillata, Zones 3–9, pictured) that blooms or sets fruit in the dead of winter when everything else is dormant? Bingo.
4. It’s fairly low-maintenance.
A shrub can have the most elegant, gorgeous blooms on the planet, but if, like common lilac (Syringa vulgaris, Zones 3–7, pictured), it’s covered in powdery mildew six months of the year, it’s not worthy of a showy title.
Paul Cappiello is executive director of Yew Dell Botanical Gardens in Crestwood, Kentucky.
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