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Eupatoriadelphus maculatus var. maculatus

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Plant types and subtypes: Perennials

Light Requirements: part-sun, part-shade

Water Use: medium

Soil Moisture: moist, wet

Soil Description: acid, rich, loam, clay, sand

Height: 2'-6'

Bloom Time: July, August, September

Bloom Color: purple, pink, lilac

Leaf Color: green

Hardiness Zone: 3, 4, 5, 6

Additional Tags: attracts bees, attracts birds, attracts butterflies, bog plant, clumping, colonizing, fragrant flowers, medicinal, naturalizing, pond margin plant, stream margin plant, wetland plant

Eupatoriadelphus maculatus  var. maculatus (spotted trumpetweed)
  • Eupatoriadelphus maculatus  var. maculatus (spotted trumpetweed)
  • Eupatoriadelphus maculatus  var. maculatus (spotted trumpetweed)
  • Eupatoriadelphus maculatus  var. maculatus (spotted trumpetweed)
  • Eupatoriadelphus maculatus  var. maculatus (spotted trumpetweed)

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Description

Eupatoriadelphus maculatus var. maculatus

Also known as:

spotted trumpetweed

,

spotted Joe-Pye-weed

,

spotted Joe Pye weed

Scientific Synonyms:

Eupatorium maculatum

Description

Eupatoriadelphus maculatus var. maculatus is a rigid, tall growing wildflower, easily reaching a height of 6'. It can be differentiated from other Joe-Pye weeds, by the purple spots on its stem, hence the common names. It produces huge, domed clusters of pinkish, purplish, fragrant flowers.

Cultivation

To reach its full potential, this species of Joe-Pye weed requires a very wet environment and partial sun. It thrives with wet feet, and can be subject to irregular, or seasonal inundation. I can be used in dryer locations, provided the soil remains consistently moist, particularly during the hot summer months, or if planted in full sun (full sun will produce more flowers, but a shorter plant). This is an ideal species for use around water features, where its sheer size will create an impressive presence. It will self seed readily but with low germination rates. It colonizes primarily by its fibrous, rhizomatous roots. A late summer bloomer: July to September. Cold hardy: zones 3-6

Propagation

Easily propagated by division in early spring. Can also be propagated from seed. They should be sown thickly, as germination rates are low. Stored seeds will require up to 3 months of cold-moist stratification, to improve germination rates.

Additional Notes

Eupatoriadelphus maculatus var. maculatus has been used medicinally by Native Americans. The whole plant was used as a diuretic. The roots have been used to fevers, diarrhea, liver and kidney ailments.

Native Range & Classification

Recorded County Distribution: USDA data

Native Range:
CT, GA, IA, IL, IN, KY, MA, MD, ME, MI, MN, NC, NH, NJ, NY, OH, PA, RI, TN, VA, VT, WI, WV

USDA Endangered Status:

  • Endangered: MD
  • Extirpated: MD
  • Historical: KY

Classification

Kingdom Plantae Plants
Subkingdom Tracheobionta Vascular plants
Superdivision Spermatophyta Seed plants
Division Magnoliophyta Flowering plants
Class Magnoliopsida Dicotyledons
Subclass Asteridae
Order Asterales
Family Asteraceae Aster family
Genus Eupatorium thoroughwort
Species Eupatoriadelphus maculatus var. maculatus spotted trumpetweed