Amsonia tabernaemontana

Eastern Bluestar

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Hardy herbaceous perennial native to North America, known for blue star-shaped blooms in spring and golden autumn foliage.
yard Outdoor plants wb_sunny Half-shade / Sun pets Pet Friendly
info Pot sizes shown are estimations. Real dimensions may vary depending on the merchant.
Merchant Pot Size Availability Price
Amazon.com 5-6 in Out of Stock $24.99 Buy
Merchant Pot Size Availability Price
Amazon.com 7-8 in Out of Stock $34.99 Buy
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Plant Details

Common Name Eastern Bluestar
Family Apocynaceae
Genus Amsonia
Species Tabernaemontana
Origin North America
Blooming Spring to early summer; autumn foliage color change
Leaf Color Dark green turning yellow-gold in autumn
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly check Yes
yard

Care & Maintenance

terrain
Soil

Well-drained loamy soil; tolerates clay but requires drainage to prevent root rot

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Watering

Keep soil moist during establishment; drought tolerant once mature, reduce watering in winter dormancy

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Sunlight & Care

Prefers full sun for best flowering; tolerates part shade in hot climates, foliage turns gold in autumn

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Fertilization

Apply slow-release granular fertilizer in early spring before new growth begins

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Pruning

Cut back to the ground in late fall or early spring; deadhead spent flowers to encourage re-bloom

Pest Control Aphid Leafhopper 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
-13° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
20% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
10000 – 35000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
800 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
10% – 65%
% 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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