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Eupatorium hyssopifolium (Hyssopleaf thoroughwort)
Smith, R.W.

Eupatorium hyssopifolium

Eupatorium hyssopifolium L.

Hyssopleaf Thoroughwort, Hyssop-leaf Boneset

Asteraceae (Aster Family)



USDA Native Status: L48 (N)

Hyssop-leaf Boneset is a member of the family Asteraceae, which includes herbs, sometimes shrubs or vines, rarely trees, with simple or compound, alternate or opposite leaves. Flowers small, but organized into larger heads resembling a single, radially symmetrical flower cupped by a ring of green bracts. Flower-like heads: tiny, radially symmetrical central flowers form the disc; larger flowers around the edge, the rays, strap-shaped and resembling petals; however, all flowers in one head may be disc flowers or rays.


From the Image Gallery

4 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 3 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: White
Bloom Time: Jun , Jul , Aug , Sep , Oct


USA: AL , AR , CT , DC , DE , FL , GA , IL , IN , KY , LA , MA , MD , MO , MS , NC , NJ , NY , OH , PA , RI , SC , TN , TX , VA , WV
Native Habitat: dry, sandy or gravelly fields roadsides, and railroad right of ways; woods, fields, salt meadows

Growing Conditions

Light Requirement: Sun
Soil Moisture: Moist
Soil Description: Sandy


Attracts: Birds

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Delaware Nature Society - Hockessin, DE

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

USDA: Find Eupatorium hyssopifolium in USDA Plants
FNA: Find Eupatorium hyssopifolium in the Flora of North America (if available)
Google: Search Google for Eupatorium hyssopifolium


Record Modified: 2023-01-02
Research By: TWC Staff

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