Grow Physostegia vir. 'Miss Manners' when you want the look of classic obedient plant with a tidier, clump-forming habit. You get upright spikes of crisp white, snapdragon-like blooms that open over a long summer season and can continue into fall. The flowering stems also make excellent cuts for fresh bouquets.

Plant it in full sun for the sturdiest stems and best bloom, but it also performs well in partial shade. Mature height is about 24-30 inches, making it easy to tuck into mixed borders, meadow-style plantings, and pollinator-focused beds without overpowering neighbors.

Moisture matters: keep soil evenly moist, especially in the first season. This selection is well suited to average-to-moist sites and can handle occasionally wet ground, such as along swales, near a pond edge, or in rain-garden conditions where water lingers after storms.

Expect lots of garden activity. The nectar-rich flowers draw pollinators, including butterflies and hummingbirds, while the plant’s upright form adds vertical structure and repeat color in mid-to-late season when many perennials are winding down.

For best performance, give it moderate fertility and room for air flow. Cut back after the main flush to encourage additional flowering, and tidy stems at season’s end. Once established, this perennial is low-fuss and returns reliably in USDA zones 3-9.

Specifications

• Cold hardiness zone: 3-9 (-40 degrees F) - Contact your local extension to confirm hardiness if you are in a fringe zone (we cannot guarantee hardiness in fringe zones)
• Light: Full sun   Part sun
• Mature height: 24-30"
• Spread: 18-24"
• Tolerant of: Deer, Wet Conditions
• Attracts: Butterflies, Hummingbirds
• Long bloom time: Yes
• Native to the U.S.: Yes

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