Asteraceae

hollow-stem Joe pyeweed

Eutrochium fistulosum

Synonyms

Eupatoriadelphus fistulosus
Eupatorium fistulosum

Other Common Names

purple thoroughwort, trumpetweed

Plant Type

Herbaceous Wildflower

Life Cycle

Perennial

Typical Size

4-8 ft. tall
2-4 ft. wide

Tolerant of

Deer

Inolerant of

Dry Soil

Propagation

By seed, By cutting, By division

Plant Propagation Notes

Sow seed thickly in the fall to account for low germination rates. Can be propagated by cuttings taken in late spring. Divide mature clumps in fall or spring.

Plant Planting Notes

24′ spacing.

Plants/Diseases

No serious disease or insect issues. Leaves my burn if soil dries out for too long.

Wildlife Benefits

Nectar/pollen source for pollinating insects, Host plant for butterfly larvae, Fruit/seeds for birds

Leaves

Lanceolate, rough leaves arranged in a whorl of 4-7 around the stem. Leaf margins serrate or crenate. Leaf blade up to 6 inches long and 1-3 inches wide.

Flowers

Individual flowers 1/3 inch wide arranged in a large panicle up to 18 inches wide.

Fruit

Achenes with hairy bristles that help disperse the seeds in the wind.

Bark

Stems are hollow, round, and purple.

Toxicity

No known toxicity.

Eutrochium fistulosum

USDA Hardiness Zones

4, 5, 6, 7, 8

Light Exposure

Full Sun, Part Sun/Shade

Soil Moisture

Moist

Soil Drainage

Well-drained, Poorly Drained

Soil pH

Neutral (6.0-8.0)

Native in South Carolina?

Yes

Plant Native Habitat

Wet lowlands, alluvial woods, along streams, moist meadows, bogs, marshes with permanently saturated or seasonally flooded organic soils, open sun or partial shade.

Global Conservation Status (NatureServe)

Secure (G5)

Federal Conservation Status (USFWS)

Not Listed

Distribution Notes

Common in the SC Mountains and Piedmont and uncommon in the Coastal Plain