Perennial flowers are a gardener’s best friend, returning year after year with little maintenance. But some bloom for on ...

The foam-like white and pink blooms never fail ... try to plant these perennials towards the front of shady borders, where they might benefit from even an hour or two of sunshine.

A classic favored by gardeners worldwide for centuries, lavender is a low-maintenance perennial ... to hot pink and white. Janney highly recommends salvia as a border flower because ‘‘salvia ...