Hibiscus s. Purple Pillar (tree- Purple Pillar Rose of Sharon Hibiscus)

Mature Height: 10-16 feet
Mature Width: 2-4 feet
Growth Rate: Moderate, growing 12-18 inches annually.
Hardiness Zone: 5-9
Light Needs: Full sun for a dense, narrow habit.
Water Needs: Moderate watering. Provide consistent moisture in summer.
Flower Color: Purple
Bloom Time: Summer to early fall
Fall Color: Yellow-green