They're resistant to pests and diseases (we've noted
exceptions). In general, they require no staking and little pruning other
than a yearly cleanup or cutback. Most are drought tolerant, and some can
take wet feet as well. They're appropriate in groups, not just as
specimens.
The list includes plants that are old-fashioned favorites,
others that have recently developed a loyal following, and some that deserve
to be known better and used more widely.
The list included 25 perennials, 25 shrubs, and 25 trees. We offer
a number of species on the AHS list, including the following:
