Purple Pillar Althea Proven Winners
Height 8-12 ft.
Spread 2-3 ft.
Hardiness Zones: 5-9
Full to part sun
The optimum amount of sun or shade each plant needs to thrive: Full Sun (6+ hours), Part Sun (4-6 hours), Full Shade (up to 4 hours).
Average water and well draining soils
The Purple Pillar is such a unique Althea with it's beautiful purple blooms and red/pink center. The other reason it is so unique is because of its growth, being a more narrow althea/rose of sharon.
Rebloomer throughout the summer
Heat and drought tolerant (once established )
Mass planting, borders, container, screening and/or focal plant