Five that are tender (to overwinter indoors in Boston):

• Butterfly bush (Clerodendrum ugandense 'Blue Butterfly')
• Cuphea llavea 'Bat Face'
• Mandevilla amabilis 'Alice Du Pont'
• Coral fountain (Russelia equisetiformis)
• Salvia guaranitica

Five that are hardy (can survive Boston's winter outdoors):

• Anchusa capensis 'Blue Angel'
• Perennial geraniums, including Geranium versicolor 'Snow White'
• Geum chiloense 'Mrs. Bradshaw'
• Daylily 'Nairobi Night'
• Reblooming iris 'Misty Twilight'

Ann Hooper is a consulting rosarian for the American Rose Society, and is the past president of the New England Rose Society.

Photography by All-American Selections (top) and Suzanne DeJohn/National Gardening Association