Tuesday, May 30, 2023

Late Boneset, Eupatorium serotinum

Late Boneset, Eupatorium serotinum 

Consortium of Midwest Herbaria


Life Cycle:   Perennial

Sun Exposure:   Full, Partial

Soil Moisture:   Medium-Wet, Medium, Medium-Dry

Height:   5 feet

Bloom Time:   August, September, October

Bloom Color:   White

USDA Zones:   3-9

Plant Spacing:   1-3'


Eupatorium serotinum is closely related to Tall Boneset but has several distinguishing characteristics. It tends to grow taller (5' or more), has long-stemmed, coarse-toothed leaves with a single prominent vein running their lengths and the flower heads are denser, with 12-15 blossoms. These small white flowers are popular with a wide variety of bees, flies, butterflies and beetles.The stems of Late Boneset are pubescent and have tiny white hairs running the length of the stem. The foliage is bitter so is not often eaten by deer and other mammals.

Late Boneset prefers full sun or partial shade in medium soils from wet-mesic to dry and blooms in late-summer through fall. Native habitats include black soil prairies, moist meadows, and areas near drainage ditches.  The overall size of the plant is very much dependent on soil moisture levels, and often during a drought, the lower leaves may become discolored or fall off. 

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Late Boneset, Eupatorium serotinum

Late Boneset , Eupatorium serotinum   Consortium of Midwest Herbaria Life Cycle:     Perennial Sun Exposure:     Full, Partial Soil Moisture...