Buddleia davidii 'SRPbudroy' ~ RoyalRazz® Butterfly Bush path-400 Its lush small dark green

Its lush small dark green foliage stays green in winter

Rhododendron x Kurume Hino-crimson 2zz

Good heat and drought tolerance

Acer palmatum 4zz

but they can get upwards of 6-8 ft indoors (and up to 30 ft outdoors)

Buddleia davidii 'SRPbudroy' ~ RoyalRazz® Butterfly Bush path-400 Its lush small dark greenRoyalRazz Butterfly Bush is a fast growing bushy deciduous shrub with dense grey green foliage. Its fragrant, vibrant purple flowers bloom on long panicles all the way from spring into mid fall attracting bees and butterflies. Best performance in sunny well drained areas. Good drought tolerance. Type: Shrub Height: 5 6 Spread: 4 5 Spacing: 4 USDA Hardiness Zone: 5 10 Culture: Full Sun Bloom Color: Purple Season of Interest: Spring, Summer, Fall