Alphabetical Plant Listing

Eupatorium altissimum (Tall Boneset)

Tall Thoroughwort, Tall Boneset, Eupatorium saltuense


Providing large drifts of milky-white flowers in late summer, Eupatorium altissimum (Tall Boneset) is a rhizomatous perennial with erect stems clad with opposite, short-petioled, lanceolate leaves, 2-6 in. long (5-16 cm). In mid summer to fall, large flat-topped clusters, up to 8 in. wide (20 cm), densely packed with small, rayless, white flowers, appear at the tips of the stems. Blooming for about 6 weeks, the blossoms are attractive to butterflies and pollinators in search of nectar. Native to dry upland prairies, open woods, thickets, clearings and fields throughout eastern and central North America, Tall Boneset provides a garden presence and late season flowers at a time when choices may be limited. It is the easiest boneset to grow in dry sunny areas. Tall Boneset is suitable for planting in a native plant garden, at the back of a mixed bed, or as a groundcover for exposed sites.

  • Grows up to 2-6 ft. tall (60-180 cm) and 2-3 ft. wide (60-90 cm). Will spread by self-seeding and vegetatively through rhizomes.
  • Performs best in full sun to part shade in dry to medium moisture, well-drained soils. Drought tolerant once established.
  • Great for wildflower gardens, cottage gardens, prairies and meadows, native plant gardens and naturalized areas.
  • No serious insect or disease problems. Deer resistant.
  • Deadhead to prevent unwanted seedlings. Cut back after the first frost.
  • Propagate by seed.
  • Widely distributed throughout most of the eastern and central unites States from Texas and Nebraska eastward to Florida and north to New York, Massachusetts and Connecticut.

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Requirements

Hardiness 4 – 8
Plant Type Perennials
Plant Family Eupatorium - Joe-Pye Weeds
Exposure Full Sun, Partial Sun
Season of Interest Summer (Mid,Late)
Fall
Height 2' – 6' (60cm – 180cm)
Spread 2' – 3' (60cm – 90cm)
Spacing 30" – 36" (75cm – 90cm)
Water Needs Low, Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Showy
Native Plants United States, Midwest, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, Ohio, Wisconsin, Northeast, Connecticut, Massachusetts, Maryland, New Jersey, New York, Pennsylvania, Southeast, Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, West Virginia, Southwest, Oklahoma, Texas
Tolerance Deer, Drought, Dry Soil
Attracts Butterflies
Garden Uses Ground Covers
Garden Styles Informal and Cottage, Prairie and Meadow

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Katja Schulz, Flickr

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 4 – 8
Plant Type Perennials
Plant Family Eupatorium - Joe-Pye Weeds
Exposure Full Sun, Partial Sun
Season of Interest Summer (Mid,Late)
Fall
Height 2' – 6' (60cm – 180cm)
Spread 2' – 3' (60cm – 90cm)
Spacing 30" – 36" (75cm – 90cm)
Water Needs Low, Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Showy
Native Plants United States, Midwest, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, Ohio, Wisconsin, Northeast, Connecticut, Massachusetts, Maryland, New Jersey, New York, Pennsylvania, Southeast, Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, West Virginia, Southwest, Oklahoma, Texas
Tolerance Deer, Drought, Dry Soil
Attracts Butterflies
Garden Uses Ground Covers
Garden Styles Informal and Cottage, Prairie and Meadow

Great Plant Combination Ideas with Eupatorium - Joe-Pye Weeds

Guides with Eupatorium - Joe-Pye Weeds

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