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Smooth Meadow-parsnip

Thaspium trifoliatum

24
Good

Native to West Virginia. How scores work Is it native here?

Profile 82%

Height
1–2.5 feet
Spread
1–2 feet
Light
Full sun, Partial shade
Soil moisture
Usually moist

Space about 1.5 ft apart from its recorded spread, about 44 per 100 sq ft. Enter your bed size for a count

Will it fit your yard?

At a glance

Life cycle
Perennial

Not yet recorded · Leaves · Bloom

This plant is missing most of its facts, so Quercus is looking them up in old botany books.

Recorded in 12 West Virginia counties.

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in West Virginia. Shared habitat, not food. 65 animals.

Widespread birds also seen here (38)

Found in many habitats here, so not listed above.

All wildlife of West Virginia

Ecological relationships

Who uses this plant?

What these records mean

1CaterpillarsGenus host records with ranges including WV

Genus host records with ranges including WV · Thaspium

Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
8BeesSoutheastern regional records

Southeastern regional records · Thaspium

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
0Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claim

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Apiaceae
Hardiness
Zones 3a–9b
Soil pH
Acidic to alkaline
Flower color
Purple or red

What its natural habitat tells you

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Purple Meadow Parsnip; Smooth Meadow parsnip

Conservation status

West Virginia rankS5
Global rankG5
WV statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

Will it fit your yard?

Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.

Choose a county to begin.

How to check your spot

Growing cautions

For planning only; these do not change the score or Fit.

Sources