Euphorbia characias wulfenii or Spurge. zone 6 to 8, perform best in Mediterranean-type climates and may show stress in hot/humid summers, clay soils and wet winters. 2-4 feet high. cut back after bloom in summers.
Great Design Plant: Lively Fountain Grass Thrives Just About Anywhere Pennisetum alopecuroides Fountain grass USDA zones 6 to 9 Water requirement: Medium to wet Full sun to part shade Mature Size: 2 1/2 to 5 feet tall and wide Benefits and tolerances: Tolerates dry conditions, wet soil, air pollution; prefers full sun but will take light shade; attracts birds Seasonal interest: Flowers are showy late summer into fall and persist through winter When to plant: Spring, summer or fall
Lavandula angustifolia 'Royal Velvet' This lavender is very showy when blooming plants are covered with long stemmed, dark navy-blue and lavender flower spikes. The 3 to 4" long flower spikes hold their dark color as a dried flower. Home gardeners will enjoy it for its rapid growth, its long bloom period in late spring to early summer, and tolerance of wet winters. Color: Very dark purple,18-24"