Common name:Spanish Lavender
Botanical name:Lavandula stoechas

This dense shrub grows 2-3 ft. tall with blue gray foliage and deep purple flowers that have large showy bracts near the top of the spikes. It is drought tolerant . - Cornflower Farms

Common name:Diabolo Purple Ninebark
Botanical name:Physocarpus opulifolius 'Diabolo'

Diablo Purple Ninebark is a small, dense upright shrub. The foliage a burgundy red. It is a great accent plant because of its foliage color. One of the best performing yellow foliage plants for alkaline soils. Needs full sunlight. -Fort Collins Nursery

Common name:Blue Marguerite, Blue Felicia Daisy
Botanical name:Felicia amelloides

This shrubby perennial has oval leaves that are 1" in length and dark green in color. It produces a variety of bright blue 1 1/4" wide flowers almost continuously, those of which resemble daisies.

Common name:Evergreen Clematis
Botanical name:Clematis armandii

A climbing evergreen vine, this Clematis may reach a size of 20-30'. Its dark green, slender leaflets have a leathery texture, and produce fragrant, showy white flowers in the spring. It tolerates sun or part shade, drought, moist soil, and prefers shade around its roots. It attracts beneficial insects and hummingbirds. - Cornflower Farms