Obedient plant (Physostegia virginiana) fy-so-STEE-jhah ver-jin-ee-AY-nah Synonyms:  P. speciosa Genus:  Physostegia Obedient plant is a clump-forming native perennial that grows aggressively. From midsummer to early fall, spikes of purple or pink (and sometimes white) flowers rise above sharply toothed leaves to four feet high. Noteworthy Characteristics:  This late bloomer mixes well with asters, grasses, and goldenrods. May need restraint. Good cut flower. Care:  Provide full sun to part shade and medium moisture. Plants may need staking. Propagation:  Sow seed in a cold frame in autumn. Divide in winter or early spring before new growth commences. Problems:  Rust and slugs can sometimes be a problem.

Overview

Height 3 ft. to 6 ft. Spread 1 ft. to 3 ft. Growth Habit Spreads Growth Pace Fast Grower, Invasive/Aggressive Grower Light Full Sun to Part Shade Moisture Medium Moisture Maintenance Moderate Characteristics Attracts Hummingbirds, Showy Flowers Bloom Time Fall, Summer Flower Color Pink, Purple, White Uses Beds and Borders, Cut Flower Style Cottage Garden, Meadow Garden Seasonal Interest Summer Interest Type Perennials