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Indigo Bush Amorpha fruticosa

Phonetic Spelling
ah-MOR-fah froo-tih-KOH-sah
This plant is an invasive species in North Carolina
Description

This plant is typically found growing as a native in moist open woodlands, roadsides, canyons, floodplains, gravel bars, stream and pond banks, and along swamps edges.  It spreads easily by seeds and suckers, becoming somewhat invasive.  Its growing traits will create a situation where the spread will be greater than its height.  

Insects, Diseases and Other Plant Problems:  Typically has no serious disease or insect issues.  Leaf spot, powdery mildew, rust, and twig canker are diseases that may have some effect on the plants' overall health.

See this plant in the following landscape:
Cultivars / Varieties:
  • 'Albiflora'
    White flowers
  • 'Coerulea'
    Pale blue flowers
  • 'Crispa'
    Leaflets crinkled
  • 'Dark Lance'
    Rich green globular plant with pruple flowers that subtend golden brown filaments.
  • 'Lewisii'
    Large flowers
  • 'Pendula'
    Arching branches form a dome shape
'Albiflora', 'Coerulea', 'Crispa', 'Dark Lance', 'Lewisii', 'Pendula'
Tags:
#purple#gold#sun#deciduous#fall color#yellow#invasive#full sun#shrub#purple flowers#bright green#weedy#deciduous shrub#native shrub#yellow leaves#gold flowers#deer resistant#native garden#cold tolerant#poor soils tolerant#sandy soils tolerant#dry soils tolerant
 
Cultivars / Varieties:
  • 'Albiflora'
    White flowers
  • 'Coerulea'
    Pale blue flowers
  • 'Crispa'
    Leaflets crinkled
  • 'Dark Lance'
    Rich green globular plant with pruple flowers that subtend golden brown filaments.
  • 'Lewisii'
    Large flowers
  • 'Pendula'
    Arching branches form a dome shape
'Albiflora', 'Coerulea', 'Crispa', 'Dark Lance', 'Lewisii', 'Pendula'
Tags:
#purple#gold#sun#deciduous#fall color#yellow#invasive#full sun#shrub#purple flowers#bright green#weedy#deciduous shrub#native shrub#yellow leaves#gold flowers#deer resistant#native garden#cold tolerant#poor soils tolerant#sandy soils tolerant#dry soils tolerant
  • Attributes:
    Genus:
    Amorpha
    Species:
    fruticosa
    Family:
    Fabaceae
    Life Cycle:
    Perennial
    Woody
    Recommended Propagation Strategy:
    Root Cutting
    Seed
    Stem Cutting
    Country Or Region Of Origin:
    Southern United States
    Distribution:
    AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, ND, NE, NH, NJ, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, WA, WI, WV, WY
    Wildlife Value:
    Flowers attract butterflies, nectar-bees, and nectar insects. Foliage browsed by small mammals.
    Play Value:
    Attractive Flowers
    Attracts Pollinators
    Easy to Grow
    Fragrance
    Textural
    Wildlife Food Source
    Particularly Resistant To (Insects/Diseases/Other Problems):
    poor and dry soil, tolerate poor site conditions
    Edibility:
    Not edible
    Dimensions:
    Height: 4 ft. 0 in. - 12 ft. 0 in.
    Width: 6 ft. 0 in. - 15 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Native Plant
    Shrub
    Woody Plant Leaf Characteristics:
    Deciduous
    Habit/Form:
    Dense
    Horizontal
    Spreading
    Growth Rate:
    Medium
    Maintenance:
    Low
    Texture:
    Coarse
  • Cultural Conditions:
    Light:
    Full sun (6 or more hours of direct sunlight a day)
    Partial Shade (Direct sunlight only part of the day, 2-6 hours)
    Soil Texture:
    Clay
    High Organic Matter
    Loam (Silt)
    Soil Drainage:
    Moist
    Occasionally Wet
    Available Space To Plant:
    12-24 feet
    NC Region:
    Coastal
    Mountains
    Piedmont
    USDA Plant Hardiness Zone:
    4a, 4b, 5b, 5a, 6b, 6a, 7b, 7a, 8a, 8b, 9b, 9a
  • Fruit:
    Fruit Color:
    Brown/Copper
    Fruit Value To Gardener:
    Showy
    Display/Harvest Time:
    Fall
    Summer
    Fruit Length:
    < 1 inch
    Fruit Width:
    < 1 inch
    Fruit Description:
    Small, warty, kidney-shaped seed pods
  • Flowers:
    Flower Color:
    Blue
    Gold/Yellow
    Purple/Lavender
    Flower Inflorescence:
    Raceme
    Flower Value To Gardener:
    Fragrant
    Showy
    Flower Bloom Time:
    Spring
    Summer
    Flower Shape:
    Tubular
    Flower Size:
    3-6 inches
    Flower Description:
    This plant has narrow, 8 to 20 in. racemes of dense, clusters of deep purple or blue flowers with gold stamens in summer. Each flower has a single petal. The blooming period is 2-3 weeks.
  • Leaves:
    Woody Plant Leaf Characteristics:
    Deciduous
    Leaf Color:
    Gray/Silver
    Green
    Leaf Feel:
    Velvety
    Leaf Value To Gardener:
    Fragrant
    Deciduous Leaf Fall Color:
    Gold/Yellow
    Leaf Type:
    Compound (Pinnately , Bipinnately, Palmately)
    Leaf Arrangement:
    Alternate
    Leaf Shape:
    Elliptical
    Oblong
    Ovate
    Leaf Margin:
    Entire
    Hairs Present:
    No
    Leaf Length:
    1-3 inches
    Leaf Width:
    < 1 inch
    Leaf Description:
    The leaves dull gray-green. Each contains 11 to 35 spiny-tipped leaflets with toothless margins. The leaflets are elliptic to oval in shape. They turn a modest yellow in the fall (fall color). The underside of the leaves has a velvety feel.
  • Bark:
    Bark Color:
    Dark Gray
    Light Gray
    Surface/Attachment:
    Lenticels
    Bark Description:
    Relatively smooth, scattered lenticels.
  • Stem:
    Stem Color:
    Green
    Stem Is Aromatic:
    No
    Stem Description:
    Multi-stemmed. The lower stems are woody. Upper stems are dull green.
  • Landscape:
    Landscape Location:
    Meadow
    Naturalized Area
    Pond
    Riparian
    Slope/Bank
    Woodland
    Landscape Theme:
    Butterfly Garden
    Native Garden
    Water Garden
    Design Feature:
    Barrier
    Border
    Hedge
    Mass Planting
    Screen/Privacy
    Small groups
    Attracts:
    Butterflies
    Resistance To Challenges:
    Dry Soil
    Poor Soil
    Problems:
    Invasive Species