Clematis

A fast, suckering native shrub of streambanks and moist thickets across eastern North America, grown for huge flat-topped cymes of tiny lemon-scented white flowers in early summer and the clusters of dark elderberry drupes that follow. Spreads by root suckers into naturalized colonies 5 to 12 feet tall and wide; the flowers feed butterflies and the showy fruit feeds birds. The raw berries are not eaten fresh - they are cooked into jelly, pie, and wine.

A native evergreen shrub of the eastern North American Appalachian + Piedmont understory producing extraordinary spring clusters of pink-to-white cup-shaped flowers with a unique spring-loaded pollination mechanism (anthers held under tension, triggered by visiting pollinators). State flower of Connecticut + Pennsylvania. Critically: NC State explicitly flags Kalmia as having HIGH-SEVERITY poison characteristics - all plant parts toxic to humans, dogs, cats, horses, and livestock; even honey from mountain-laurel nectar can poison humans ("mad honey").

Sasanqua camellia is an evergreen shrub native to the forests of southern Japan - Kyushu, Shikoku, and the Ryukyu Islands - where it grows on forest margins and hillsides. In gardens it is prized as the earliest-flowering camellia, bearing fragrant blooms from September through January when almost nothing else is in flower, and it tolerates more sun and drought than its cousin Camellia japonica. The honest catch is cold hardiness: open flowers are blackened by hard frost, and the plant itself is reliably hardy only from zone 7a south, making it unsuitable for much of the northeastern and midwestern United States without meaningful shelter.

Star jasmine is an evergreen woody climbing vine native to eastern and southeastern Asia - Japan, Korea, southern China, and Vietnam - where it twines into forest margins and scrub. In gardens it is prized for intensely fragrant pinwheel-shaped white flowers in late spring to early summer and year-round glossy foliage, earning the RHS Award of Garden Merit. The honest catch is hardiness: it is reliable only in USDA zones 8-11 (the RHS rates it H4, roughly 14 to 23°F), so growers in zone 7 and colder face repeated dieback or outright loss in a hard winter, and in the warmest zones its vigour tips into aggressive coverage that can smother smaller plants.

A native deciduous holly of eastern North America grown for brilliant red berries that persist on bare stems through fall and winter - feeds songbirds and small mammals when little else is producing. Dioecious: one male pollinizer is required within 50 feet for every 10-20 female plants.

A tall native perennial wildflower of moist meadows and woodland edges across eastern North America, producing large domed clusters of vanilla-scented pink-purple flowers in late summer - among the most reliable late-season nectar sources for monarchs, swallowtails, skippers, and native bees. Formerly classified as Eupatorium purpureum.