Northern bayberry grows 5 to 10 feet tall and wide in full sun to part shade in marshes and wet meadows, blooms in May with yellowish green male flowers, shelters animals through winter by retaining part of its leaf cover, provides fruit important to yellow-rumped warblers, and was used by American colonists, who boiled its berries to extract sweet-smelling wax for clean-burning candles. Arrowwood viburnum grows 6 to 10 feet tall and wide in full sun to part shade in thickets, dry woods, fields, fence rows, and other dry to moist places, blooms white from May through June, forms dense thickets that provide excellent cover and nesting sites, produces abundant fruit eaten by birds, attracts red admiral, eastern comma, and question mark butterflies, serves as larval food for the spring azure butterfly and hummingbird moth, and takes its name from Native Americans' use of its strong root shoots for arrow shafts. Butterfly milkweed grows 1 to 2.5 feet tall and 1 to 1.5 feet wide in full sun in dry, rocky open woods, glades prairies, fields, and roadsides, blooms yellow-orange from June through August, attracts butterflies with its color and abundant nectar, serves as a larval food plant for queen and monarch butterflies as well as the dogbane tiger moth, milkweed tussock moth, and unexpected cycnia, also attracts hummingbirds, bees, and other insects, and was used by Native Americans and European pioneers, who boiled its roots to treat diarrhea and respiratory illnesses and spun down from the seed pod into candle wicks.