Bearing flowers that obediently stay in place when shifted but possessing romping underground rhizomes that are not so well behaved, Physostegia virginiana is a herbaceous perennial from eastern and central North America.
From mid-summer to fall it produces dense, knee- to waist-high spikes of tubular flowers that are varying shades of violet-pink or white. These are a magnet for hummingbirds and bees. The toothed, lance-shaped leaves are glossy, deep green.
Plants spread rapidly to form broad, dense clumps.
Obedient plant likes full to part sun and moist, average to well drained soil. To keep them manageable, it is best to divide plants every two to three years. Give them ample room to expand. This perennial makes a wonderful addition to wildflower plantings, hummingbird gardens or mixed borders.
Approximately 30 seeds in 0,1g packet.
Genus - Physostegia
Species - Virginiana
Variety - mix
Common name - Obedient Plant
Pre-Treatment - Not-required
Hardiness zones - 3 - 9
Height - 0,60 - 1 m
Spread - 0,60 - 0,90 m
Plant type - Perennial Flower
Exposure - Full Sun, Partial Sun
Growth rate - Fast
Soil PH - Alkaline, Neutral, Alkaline
Soil type - Clay, Loam
Water requirements - Average
Landscape uses - Cutflower, Mixed Border, Wildflower
Bloom season - July - September
Leaf / Flower color - Dark Green / White, Pink, Lavender
Sow from March to June inside in post or directly into the prepared seedbed.
Sow thinly on the surface of moist seed compost in pots, cells or trays. Cover lightly with fine soil or vermiculite. Keep in light place till the germination, but avoid the direct sunlight.
Temperature for germination - +20-+25C. Keep the soil moist but not waterlogged.
Normal germination time - 20-30 days. Some will germinate later - be patient.
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