'Miss Manners' Obedient Plant, False Dragonhead: Care and Growing Guide

'Miss Manners' Obedient Plant, False Dragonhead is a perennial selection of Physostegia virginiana. This reference combines the breeder’s dimensions, exposure and seasonal information with a practical placement sketch. It describes the named plant; it does not indicate that Blessed Blooms currently stocks or ships it.

Plant identity and growing facts

Reference: 'Miss Manners' Obedient Plant, False Dragonhead Physostegia virginiana — Proven Winners, checked 2026-10-31. Dimensions describe an established plant rather than the size of a pot offered for sale.

Does it fit your growing space?

The published exposure is Sun, with a mature height of 18 - 24 Inches and spread of 14 - 16 Inches. Its published height is substantially greater than its width, so consider the view behind it and its vertical relationship to neighboring plants. Check the light at the actual planting spot, including shade cast by taller plants as they grow.

A spacing sketch for 'Miss Manners'

Using the upper published mature width of 16 inches, 7 plants would occupy approximately 112 inches of a ten-foot run if their mature canopies just met. This is a scale illustration, not a planting prescription. It reserves the full mature width for each plant; paths, access and the breeder’s planting-distance recommendation may require more room. A mixed border needs space for its other plants as well.

Water, winter conditions and maintenance

The breeder’s water category is Average. Use it to compare this selection with neighboring plants; it is not a fixed watering interval. Check the root-zone moisture, drainage and weather when deciding whether to water. Its listed hardiness range is 3a–9b. Hardiness is a winter-cold reference, not a guarantee of performance in every soil or summer climate.

“The Obedient Plant is aptly named for its well-behaved, clump forming habit and it makes for a great…”

This short opening excerpt is from the breeder’s maintenance notes. Read the complete instructions for this exact selection before using fertilizer or changing a pruning routine.

Considering it for a cutting garden

Proven Winners includes cut flowers among the uses for this selection. Its recorded bloom period is Summer; Late Summer; Late Spring and its flower-color category is white. Use those traits to plan color and seasonal overlap with your other plants. This listing does not establish a specific harvest stage, stem length or vase life; those require cultivar-specific harvest guidance or an observed trial. For an arrangement, sketch how this flower’s color would relate to the other ingredients before cutting a whole batch.

Flowers and learning from home

For practice designing with cut flowers, explore the Online Hand-Tied Bouquet Workshop and flower-arranging ebook. The Online Courses page explains the options.

For a florist-designed gift, see the current Featured Bouquet and shipping details for eligible continental U.S. destinations. This plant reference does not describe the ingredients in the current bouquet.

Source and scope

Plant facts: 'Miss Manners' Obedient Plant, False Dragonhead Physostegia virginiana — Proven Winners. Researched 2026-10-31. The placement calculation and design prompts are editorial planning tools. No firsthand growing trial, current stock or guaranteed performance is claimed.