Physostegia virginiana

Obedient Plant

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Herbaceous perennial with flexible flower spikes that return to shape when touched. Native to North America, featuring vibrant pink-purple blooms in late summer.
yard Outdoor plants wb_sunny Half-shade / Sun pets Pet Friendly
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Plant Details

Common Name Obedient Plant
Family Lamiaceae
Genus Physostegia
Species Virginiana
Origin North America
Blooming Late summer to autumn, spikes of pink or white flowers
Leaf Color Medium green
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly check Yes
yard

Care & Maintenance

terrain
Soil

Rich, moist, well-drained loamy soil; tolerates clay but requires drainage to prevent root rot

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Watering

Keep soil consistently moist during growing season, reduce watering in dormancy or winter months

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Sunlight & Care

Prefers full sun for best flowering, tolerates partial shade in hot climates, leaf burn possible in intense summer heat indoors

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Fertilization

Apply balanced slow-release fertilizer in spring; avoid over-fertilizing to prevent leggy growth

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Pruning

Cut back hard after flowering for compact shape; deadhead spent flowers to encourage rebloom

Pest Control Aphid Leaf Miner Spider Mite

These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.

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Seasonal Periods

local_florist Flowering Period 3 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
-4° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 75%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
3000 – 40000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
100 – 250
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
30% – 70%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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