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Hairy-Jointed Meadow Parsnip Thaspium trifoliatum

Description

Purple Meadow Parsnip is an herbaceous perennial native to eastern North America.  It is found along stream banks, in woodlands or rocky slopes.  Place this branched erect plant it in the full sun to partial shade in well-drained average soils.  It works well in a native or wildlife garden but it can be difficult to source at a nursery.

Insects, Diseases, and Other Plant Problems:  No serious problems.  

See this plant in the following landscape:
Cultivars / Varieties:
  • 'Aureum'
'Aureum'
Tags:
#showy flowers#wildlife plant#low maintenance#stream banks#thickets#naturalizes#larval host plant#butterfly friendly#pollinator garden#woodlands#black swallowtail butterfly
 
Cultivars / Varieties:
  • 'Aureum'
'Aureum'
Tags:
#showy flowers#wildlife plant#low maintenance#stream banks#thickets#naturalizes#larval host plant#butterfly friendly#pollinator garden#woodlands#black swallowtail butterfly
  • Attributes:
    Genus:
    Thaspium
    Species:
    trifoliatum
    Family:
    Apiaceae
    Life Cycle:
    Perennial
    Country Or Region Of Origin:
    Eastern North America
    Wildlife Value:
    This plant supports Black Swallowtail (Papilio polyxenes) larvae which appear between April and October and have one to two flights in the north or three flights in the south. Adult Black Swallowtail butterflies feed on flower nectar from thistles, milkweed and red clover.
    Dimensions:
    Height: 1 ft. 0 in. - 2 ft. 6 in.
    Width: 1 ft. 0 in. - 2 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Herbaceous Perennial
    Perennial
    Habit/Form:
    Erect
    Maintenance:
    Low
  • 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
    Loam (Silt)
    Sand
    Shallow Rocky
    Soil Drainage:
    Good Drainage
    Available Space To Plant:
    12 inches-3 feet
    USDA Plant Hardiness Zone:
    3a, 3b, 4a, 4b, 5b, 5a, 6a, 6b, 7a, 7b, 8a, 8b, 9b, 9a
  • Fruit:
    Display/Harvest Time:
    Summer
    Fruit Description:
    Winged fruits mid to late summer
  • Flowers:
    Flower Color:
    Gold/Yellow
    Flower Inflorescence:
    Umbel
    Flower Value To Gardener:
    Showy
    Flower Bloom Time:
    Spring
    Summer
    Flower Size:
    < 1 inch
    Flower Description:
    Small yellow flowers in compound umbles.
  • Leaves:
    Leaf Color:
    Green
    Leaf Type:
    Compound (Pinnately , Bipinnately, Palmately)
    Simple
    Leaf Arrangement:
    Alternate
    Rosulate
    Leaf Shape:
    Cordate
    Ovate
    Hairs Present:
    No
    Leaf Length:
    1-3 inches
    Leaf Description:
    Basal leaves are heart-shaped and stem leaves are divided trifolate toothed and ovate 2" long.
  • Stem:
    Stem Color:
    Green
    Stem Is Aromatic:
    No
    Stem Description:
    Ridged stems
  • Landscape:
    Landscape Location:
    Naturalized Area
    Woodland
    Landscape Theme:
    Butterfly Garden
    Pollinator Garden
    Attracts:
    Butterflies
    Pollinators