Wildflower Archive

woodland wildflower

Sampson's snakeroot

Orbexilum pedunculatum

Sampson's snakeroot (Orbexilum pedunculatum)1 of 2
Orbexilum pedunculatum

Native to much of the USA

  • Light Partial shade Sun tolerance
  • Moisture Moisture preference
  • Zones n/a Cold to heat range
  • Bloom Jun–Aug Flowering time
  • Height up to 32 in to 81 cm
  • Life cycle Perennial Annual to perennial
Full details, see below

In the garden

A woodland wildflower for partial shade. At up to 32 in, it suits shade gardens and woodland edges.

Growing conditions

Light
Full sun Partial shade Full shade
Moisture
Dry Moist Wet

Pollinators & wildlife

  • Bees Eastern Carpenter Bee also Anthidium psoraleae

Full plant details

Where it grows

Habitat
WoodlandThe wild plant community it grows in.
Native range
Much of the USAUnited States (20): AL, AR, FL, GA, IL, IN, KS, KY, LA, MD, MI, MO, MS, NC, OH, OK, SC, TN, TX, VA. Where it grows wild on its own, by state and province.

Growing conditions

Light
Partial shadeHow much sun it takes, from full sun to full shade.

Growth & form

Height
up to 32 in (to 81 cm)Typical mature height.
Life cycle
PerennialWhether it lives a single season (annual), two (biennial), or returns for years (perennial).

Flowers, foliage & fruit

Type
WildflowerWhat kind of plant it is.
Bloom
Jun–AugWhen it flowers.
Flower color
PurpleThe bloom color, or colors.
Toxicity
None knownWhether any part is poisonous to people or pets.