This North American genus is a member of the mint family (Lamiaceae), and is made up of 2 species of perennials. Most form a clump of unbrached upright stems covered with dark green, toothed, narrow eliptical to lance-shaped leaves. From late summer to early autumn, flowerheads develop at the stem tips and are made up of clusters of 5-lobed, tubular to bell-shaped blooms, mainly in pink and purple shades. Though sometimes called false dragonhead, Physoslegia species are more commonly known as the obedient plant, a refeence to the way in which the flowers remain in place when twisted or moved.
CULTIVATION
These easy-growing hardy plants do best in any full or half sun position with moist well-drained soil. They spread by their fleshy roots and can become invasive. Propagate by division.
Top Tip
Physostegia plants make excellent choices for the back of borders, as they offer height and color with their tall flowering spikes, and coverage with the foliage clumps.
CULTIVATION
These easy-growing hardy plants do best in any full or half sun position with moist well-drained soil. They spread by their fleshy roots and can become invasive. Propagate by division.
Top Tip
Physostegia plants make excellent choices for the back of borders, as they offer height and color with their tall flowering spikes, and coverage with the foliage clumps.
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