Eupatorium altissimum
Tall thoroughwort, Tall boneset, Eupatorium saltuense
Eupatorium Eupatorium
E. altissimum - E. altissimum is an upright, deciduous perennial with elliptic to lance-shaped, toothed, dark green leaves and flat corymbs of star-shaped, white to cream flowers from late summer into autumn.
Eupatorium altissimum is: Deciduous
Erect
White in Summer; White in Autumn
Dark-green in Spring; Dark-green in Summer; Dark-green in Autumn
Generally pest-free.
Generally disease-free.
Deadhead to prevent unwanted seedlings. Cut back after the first frost.
Sow in situ in late autumn.
Division, Seed
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Eupatorium altissimum (Tall thoroughwort) will reach a height of 1.8m and a spread of 0.9m after 2-5 years.
Architectural, Beds and borders, Bees (attract & feed bees), Cottage/Informal, Flower Arranging, Prairie planting, Wildlife, Woodland
Grow in well-drained or moist but well-drained soil in full sun or partial shade. Best in afternoon shade in hot summer climates. Tolerates drought. Tends to spread by self-seeding.
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Moist but well-drained, Well-drained
Acid, Alkaline, Neutral
Partial Shade, Full Sun
South, East, West
Exposed, Sheltered
Hardy (H4)
Eupatorium altissimum
Tall thoroughwort, Tall boneset, Eupatorium saltuense
Eupatorium Eupatorium
E. altissimum - E. altissimum is an upright, deciduous perennial with elliptic to lance-shaped, toothed, dark green leaves and flat corymbs of star-shaped, white to cream flowers from late summer into autumn.
Central United States, Eastern United States
Deciduous
Erect
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White in Summer; White in Autumn
Dark-green in Spring; Dark-green in Summer; Dark-green in Autumn
Generally pest-free.
Generally disease-free.
Deadhead to prevent unwanted seedlings. Cut back after the first frost.
Sow in situ in late autumn.
Division, Seed
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Eupatorium altissimum (Tall thoroughwort) will reach a height of 1.8m and a spread of 0.9m after 2-5 years.
Architectural, Beds and borders, Bees (attract & feed bees), Cottage/Informal, Flower Arranging, Prairie planting, Wildlife, Woodland
Grow in well-drained or moist but well-drained soil in full sun or partial shade. Best in afternoon shade in hot summer climates. Tolerates drought. Tends to spread by self-seeding.
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Moist but well-drained, Well-drained
Acid, Alkaline, Neutral
Partial Shade, Full Sun
South, East, West
Exposed, Sheltered
Hardy (H4)
Zone 8, Zone 7, Zone 6, Zone 5, Zone 4
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This plant likes... | Garden match | |
Soil types: | Chalky, Clay, Loamy, Sandy (will tolerate most soil types) | Tell us... |
Soil drainage: | Moist but well-drained, Well-drained | Tell us... |
Soil pH: | Acid, Alkaline, Neutral | Tell us... |
Light: | Partial Shade, Full Sun | Tell us... |
Aspect: | South, East, West | Tell us... |
Exposure: | Exposed, Sheltered | Tell us... |
Hardiness: | Hardy (H4) | Tell us... |
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