Plant DetailShow Menu

Indian Hemp Apocynum cannabinum

Other Common Name(s):

Phonetic Spelling
ah-POS-ih-num kan-na-BEE-num
This plant has high severity poison characteristics.
See below
This plant is an invasive species in North Carolina
Description

Apocynum cannabinum is a bushy member of the dogbane and milkweed family that features opposite, lance-shaped leaves on upright, stiff stems with terminal clusters of very tiny, whitish flowers that bloom in summer. It may grow to 5 feet tall. All parts of this dogbane exude a milky juice when bruised. All plant parts are considered highly toxic to humans. This plant typically grows in the wild in dry rocky or open woods, glades and prairies. Stems are fibrous (cannabinum meaning hemp) and were once used to make rope. Very attractive to butterflies.

The stem of the Dogbane is smooth and red.

This herb produces a pair of 8-inch pods that contain seeds of down. 

Indian hemp grows in average, dry to medium moisture, well-drained soil in full sun. It prefers sandy soil. It is an aggressive plant that often grows in the wild in colonies and can be very aggressive in cultivation.

Fire Risk: This plant has a low flammability rating.

Insects, Diseases, or Other Plant Problems: Because of its aggressive spreading growth habit it should be grown in areas where it will not crowd out other garden perennials.

 

 

 

 

Cultivars / Varieties:
Tags:
#bees#butterflies#invasive#poisonous#drought tolerant#perennial#herbs#wildlife plant#wildflowers#showy#low flammability#NC native#dry soil tolerant#queen butterfly#native garden#fire resistant#naturalizes#pollinator plant#native wildflower#butterfly
 
Cultivars / Varieties:
Tags:
#bees#butterflies#invasive#poisonous#drought tolerant#perennial#herbs#wildlife plant#wildflowers#showy#low flammability#NC native#dry soil tolerant#queen butterfly#native garden#fire resistant#naturalizes#pollinator plant#native wildflower#butterfly
  • Attributes:
    Genus:
    Apocynum
    Species:
    cannabinum
    Family:
    Apocynaceae
    Uses (Ethnobotany):
    Although this plant is considered toxic to humans (and the bane of dogs), the roots were commonly harvested in the 19th and early 20th centuries for a variety of folk medicine and medical purposes.
    Life Cycle:
    Perennial
    Country Or Region Of Origin:
    Canada to U.S.A
    Distribution:
    Mountains, Piedmont
    Fire Risk Rating:
    low flammability
    Wildlife Value:
    Its flowers are attractive to bees, butterflies and other pollinators.
    Play Value:
    Wildlife Food Source
    Particularly Resistant To (Insects/Diseases/Other Problems):
    fire in the landscape.
    Edibility:
    Non-edible
  • Whole Plant Traits:
    Plant Type:
    Herb
    Native Plant
    Perennial
    Poisonous
    Wildflower
    Leaf Characteristics:
    Deciduous
  • 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 Drainage:
    Moist
    Occasionally Dry
    Available Space To Plant:
    12 inches-3 feet
    NC Region:
    Coastal
    Mountains
    Piedmont
  • Fruit:
    Display/Harvest Time:
    Fall
    Fruit Length:
    > 3 inches
    Fruit Description:
    Indian hemp has open cluster of urn-shaped, greenish-white flowers
  • Flowers:
    Flower Color:
    Green
    Pink
    White
    Flower Bloom Time:
    Summer
    Flower Shape:
    Bell
    Flower Description:
    Indian hemp has open cluster of urn-shaped, greenish-white flowers.
  • Leaves:
    Leaf Characteristics:
    Deciduous
    Leaf Color:
    Green
    Leaf Arrangement:
    Opposite
    Leaf Margin:
    Entire
    Hairs Present:
    No
    Leaf Description:
    The leaves of this plant are opposite with a smooth margin. The lower leaves will have a stem, while the upper leaves have none. The leaves are 1- to 3-inch and ovate or elliptical. It has an erect main stem and greenish side branches.
  • Stem:
    Stem Is Aromatic:
    No
    Stem Description:
    The stem of the Dogbane is smooth and red
  • Landscape:
    Landscape Location:
    Meadow
    Naturalized Area
    Woodland
    Landscape Theme:
    Butterfly Garden
    Drought Tolerant Garden
    Native Garden
    Pollinator Garden
    Rock Garden
    Design Feature:
    Mass Planting
    Attracts:
    Butterflies
    Moths
    Pollinators
    Songbirds
    Specialized Bees
    Resistance To Challenges:
    Fire
    Problems:
    Invasive Species
    Poisonous to Humans
    Problem for Children
    Problem for Dogs
  • Poisonous to Humans:
    Poison Severity:
    High
    Poison Symptoms:
    Cardiac Arrest
    Poison Toxic Principle:
    Resins and cardiac glycosides
    Causes Contact Dermatitis:
    No
    Poison Part:
    Flowers
    Fruits
    Leaves
    Roots
    Seeds
    Stems