Plant DetailShow Menu

Cypripedium calceolus

Previously known as:

  • Cypripedium parviflorum
Phonetic Spelling
sip-rih-PEE-dee-um kal-KEE-oh-lus
This plant has medium severity poison characteristics.
See below
Description

Yellow Lady Slipper is a perennial wildflower found in mesic and seepy forests as well as other habitats, while var. pubescens is found in rich mesic forests. Difficult to transplant. Erect herb with glandular hairs; leaves basal or on stem, broad strap-like; flowers with large, sac-like lower lip and other, narrow, spreading flower parts, yellow, pink, white; fruit a capsule with many, minute seeds.

This plant needs deep, organic soil to thrive. It is one of the easiest native orchids to maintain in a woodland garden. "Nursery-grown" plants of this type are often poached from the wild, so verify that the plants are nursery propagated before purchasing one. This plant is considered an NC Significantly Rare species.

See this plant in the following landscape:
Cultivars / Varieties:
Tags:
#bees#poisonous#perennial#NC native#native wildflower#wildflower garden#food source herbage#coastal FAC#Piedmont Mountains FACW#bird friendly#food source hard mast fruit#mammals#beetles#wildflower#audubon
 
Cultivars / Varieties:
Tags:
#bees#poisonous#perennial#NC native#native wildflower#wildflower garden#food source herbage#coastal FAC#Piedmont Mountains FACW#bird friendly#food source hard mast fruit#mammals#beetles#wildflower#audubon
  • Attributes:
    Genus:
    Cypripedium
    Species:
    calceolus
    Family:
    Orchidaceae
    Life Cycle:
    Perennial
    Country Or Region Of Origin:
    Europe and Russia
    Dimensions:
    Height: 0 ft. 10 in. - 2 ft. 0 in.
    Width: 1 ft. 0 in. - 1 ft. 4 in.
  • Whole Plant Traits:
    Plant Type:
    Poisonous
    Wildflower
  • Cultural Conditions:
    Light:
    Partial Shade (Direct sunlight only part of the day, 2-6 hours)
    Soil Texture:
    High Organic Matter
    Soil pH:
    Acid (<6.0)
    Neutral (6.0-8.0)
    Soil Drainage:
    Good Drainage
    Moist
    NC Region:
    Mountains
    Piedmont
  • Fruit:
    Display/Harvest Time:
    Summer
    Fruit Description:
    Fruits are available July-August.
  • Flowers:
    Flower Color:
    Gold/Yellow
    Pink
    White
    Flower Bloom Time:
    Spring
    Summer
    Flower Size:
    1-3 inches
    Flower Description:
    Lower yellow petal of flower is inflated to form a 1-1.5 in. pouch; spirally twisted petals. Flowers bloom April-June.
  • Leaves:
    Hairs Present:
    No
  • Stem:
    Stem Is Aromatic:
    No
  • Landscape:
    Landscape Location:
    Slope/Bank
    Woodland
    Landscape Theme:
    Native Garden
    Attracts:
    Bees
    Small Mammals
    Songbirds
  • Poisonous to Humans:
    Poison Severity:
    Medium
    Poison Symptoms:
    Skin irritation after contact
    Poison Toxic Principle:
    Unidentified
    Causes Contact Dermatitis:
    Yes
    Poison Part:
    Leaves