(White Black-Eyed Susan, Pink Black-Eyed Susan, Coneflower) Plant in well-drained, sandy loam in full sun or partial shade. Easy to grow in most soils. Drought tolerant. Space 18-24" apart. Grows 18-36" tall. Blooms July-September. Hardy in zones 3a
(Globe Thistle) Plant in full sun to part shade in the spring or fall in well-drained, acidic, loamy soil. Space plants 3-4' apart. Blooms July to first fall frost. Grow 36-48" tall and as wide. Hardy in zones 4-9.
(Barrenwort) Prefers cool shady areas; tolerates dry soils. Plant in a mixture of compost and sand. Space 8-12" apart. Beautiful plant to use as groundcover in rock garden or border. Flowering height 10-15". Hardy in zones 4-9.
(Blue Sea Holly) Plant in well-drained soil in full sun. Prefers poor soil to rich soil. Space 18-24" apart. Mulch with gravel around the crown to avoid winter wetness. Do not disturb plant once established; divide only when necessary. Grows 18-36" tall, depending on variety. Blooms July-frost. Hardy in zones 4-7.
(Purple Wintercreeper) Plant in well-drained soil in full sun to full shade. Will grow in almost any site. Space 12" apart. Grows 12" tall. Flowers inconspicuously in spring, but grown for its evergreen foliage as a groundcover. Hardy in zones 3a
(Joe Pye Weed) Plant in full sun in spring or fall in moist, well-drained, loamy soil. Space plants 4-5' apart. Blooms in July-August. Naturalizes well. Grows 4-5' tall and just as wide. Hardy in zones 4-7.
(Cushion Spurge) Plant in full sun to partial shade in any ordinary garden soil. Excellent for use in the perennial border or in a patio container. The milky-looking sap that this plant exudes is very acrid and poisonous. Great care should be taken that the sap does not touch any broken skin. Hardy in zones 5-8.