Showy flower heads on tall stems will make an impact in your garden!
Eupatoriums are big, bold, leafy plants that make an impact in the garden with their tall stems, coarse leaves and showy heads of tiny flowers, usually in shades of pink and white. The most popular are now often called eutrochium. They are found throughout North America and Europe. Their flat heads of small flowers are popular with butterflies and bees and they bloom in late summer, sitting at the sides and backs of borders, framing its shorter bedfellows. Some, such as E. sordidum, make useful cut flowers.
Keep them happy!
Eupatoriums are best planted in rich, moist soils and the biggest and most robust are suitable for boggy or wild areas. They can be late to shoot in spring and can be divided then, though the crowns are rather woody and difficult to prise apart. Give them plenty of room to grow because they become large and may swamp smaller plants.
They combine well with other late summer plants such as miscanthus, tall asters, helianthus and heleniums. In autumn, leave the stems for birds to feast on the seeds and cut the dead stems down in winter or early spring.
Its common name, boneset, derives from the plant’s traditional use to treat dengue fever, or ‘breakbone fever’.
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