Eutrochium purpureum syn. Eupatorium purpureum
Joe-pye Weed
Eupatorium are grown as ornamental plants, mostly across Asia. They are perennial plants with long-lasting, broad, purple to white flowerheads. These can emerge from late spring, although they mainly bloom in late summer. The blooms are held on tall stems and act as a beacon to butterflies and bees. Arguably the most impressive is the American species E. maculatum Atropurpureum Group AGM, commonly known as Joe-Pye weed. Established plants can frequently grow taller than 2m. E. purpureum is an invaluable plant for the late-summer border; stately and imposing, and topped with domed panicles of nectar-rich flowers. The large, domed heads are made up of numerous small flowers, so rich in pollen and nectar that they provide a feast for butterflies, bees and moths.
Contributed by @jrich10182
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Full sun to partial shade
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Occasional watering
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Full Frost Hardy: 5F (-15°C)
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Moist and free draining
Common name
Joe-pye Weed
Latin name
Eutrochium purpureum syn. Eupatorium purpureum
type
Perennial
family
Asteraceae
ph
5.0 - 7.0 Acid - Neutral
Plant & bloom calendar
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Best time to plant
full grown dimensions
Eutrochium purpureum syn. Eupatorium purpureum
Eupatorium are grown as ornamental plants, mostly across Asia. They are perennial plants with long-lasting, broad, purple to white flowerheads. These can emerge from late spring, although they mainly bloom in late summer. The blooms are held on tall stems and act as a beacon to butterflies and bees. Arguably the most impressive is the American species E. maculatum Atropurpureum Group AGM, commonly known as Joe-Pye weed. Established plants can frequently grow taller than 2m. E. purpureum is an invaluable plant for the late-summer border; stately and imposing, and topped with domed panicles of nectar-rich flowers. The large, domed heads are made up of numerous small flowers, so rich in pollen and nectar that they provide a feast for butterflies, bees and moths.
Planting young plants
From Early Spring TO Early Spring
Eupatorium are easy to grow and young plants can be set in spring in a fertile, moist soil in a sunny position, although several species tolerate partial shade. They are generally pest- and disease-free. They do sometimes look unsightly when the flowers are past their best, so they are often recommended for a wild garden or the back of a border where they are not so visible once they start to fade.