Plant DetailShow Menu

Pilosella officinarum

Common Name(s):

Previously known as:

  • Hieracium pilosella
Phonetic Spelling
py-loh-SEL-ah oh-fiss-in-AY-rum
This plant is an invasive species in North Carolina
Description

Looks a lot like a dandelion but with lighter yellow flowers.  The leaves are also different– they are covered with hairs, resembling a mouse's ears, and grow close to the ground.  It spreads by above ground runners (stolons), often growing in large colonies. 

It grows in well-drained to dry soil.  Not bothered by heat or humidity.

Cultivars / Varieties:
Tags:
#invasive#perennial#wildflowers#mat#native garden#groundcover
 
Cultivars / Varieties:
Tags:
#invasive#perennial#wildflowers#mat#native garden#groundcover
  • Attributes:
    Genus:
    Pilosella
    Species:
    officinarum
    Family:
    Asteraceae
    Life Cycle:
    Perennial
    Country Or Region Of Origin:
    Europe and northern Asia
    Wildlife Value:
    Bees feast on the nectar, while other insects lay their eggs on the leaves and stems. Eaten by rabbits.
    Dimensions:
    Height: 0 ft. 8 in. - 1 ft. 0 in.
    Width: 0 ft. 8 in. - 1 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Ground Cover
    Native Plant
    Wildflower
    Habit/Form:
    Clumping
    Dense
    Spreading
    Growth Rate:
    Slow
  • 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:
    Sand
    Soil Drainage:
    Good Drainage
    Occasionally Dry
    NC Region:
    Coastal
    Mountains
    Piedmont
    Usda Plant Hardiness Zone:
    6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b
  • Fruit:
    Fruit Type:
    Achene
  • Flowers:
    Flower Color:
    Gold/Yellow
    Flower Bloom Time:
    Fall
    Summer
    Flower Size:
    1-3 inches
    Flower Description:
    1" single yellow dandelion-like flower, sometimes two or three flowers. Bracts covered with stiff, long hairs and glands. Stalk is 8".
  • Leaves:
    Leaf Color:
    Gray/Silver
    Green
    White
    Leaf Feel:
    Velvety
    Leaf Type:
    Simple
    Leaf Arrangement:
    Rosulate
    Leaf Shape:
    Oblong
    Hairs Present:
    Yes
    Leaf Length:
    3-6 inches
    Leaf Description:
    Felty silver-grey foliage forms a low rosette with leafy stolons. No stem leaves. Basal leaves are 1-5 in. and oblong, white woolly below.
  • Stem:
    Stem Is Aromatic:
    No
    Stem Description:
    No leaves on stems
  • Landscape:
    Landscape Location:
    Woodland
    Problems:
    Allelopathic
    Invasive Species
    Weedy