Baneberry, Actaea spp.

White baneberry, Actaea pachypoda, in fruit.

Baneberry is the common name for several species of plants in the genus Actaea. This group in the buttercup family (Ranunculaceae) has toxic berries, hence the name “bane” meaning something that causes death or a deadly poison. The plants resemble the closely-related black cohosh or black bugbane (Cimicifuga racemosa), but the bugbanes have dry fruits, not fleshy berries like baneberry so some taxonomists split them into two genera, while others include them all in Actaea. The genus is also closely related to Aconitum, another highly toxic plant genus which contains monkshood and wolfbane.

Red baneberry, Actaea rubra, in the Gallatin National Forest, Montana.

There are two baneberry species commonly found in understory wooded areas of the Midwest. Red baneberry (A. rubra) is more widely distributed, throughout most of North America in zones 3-7 except in the southeastern US, while white baneberry (A. pachypoda) is found primarily in the eastern and Midwest in zones 3-8. Both species are found in moist, nutrient rich sites on many soil types and in a variety of ecosystems including deciduous, coniferous, and mixed forests, and along stream banks, in swamps and in other moist locations.

The compound leaves have coarsely toothed leaflets.

These herbaceous perennials emerge from a rhizome in the spring, producing one to several branching stems. Each stem has either three leaves that branch near the top, or three compound leaves and one flower stalk from the main central stem. White baneberry grows up to 2-3 feet tall and 2-3 feet wide; red baneberry tends to be smaller in stature than white baneberry, typically only to 2 feet tall and one foot wide. The leaves of the two species are virtually identical. Each compound leaf has 2-3 deeply lobed and coarsely toothed leaflets and hairy veins on the underside. Sometimes leaves are tripinnate, with the 3 primary leaflets further subdivided into 3-5 (rarely 7) leaflets. The lower leaf surface is slightly paler in color than the upper surface.

The plants flower for about 3 weeks in late spring or early summer, producing a flower spike (raceme) covered with clusters of small white flowers. The raceme of white baneberry is generally taller than wide, while that of red baneberry tends to be as wide as it is tall. Each individual ¼ inch flower has 4-10 widely spreading white petals, 15-40 large and showy stamens and a pistil with a very short, stout stigma. The numerous stamens give each cluster a feathery appearance. The slightly fragrant flowers lack nectar and provide only pollen but are still attractive to some insects such as flies, bees and beetles.

Small flower spikes (L) produce a cluster of small white flowers (LC) which have a feathery appearance, especially when the petals have fallen (RC and R).

If successfully pollinated, waxy, shiny, ellipsoid berries are formed. The berries start out green but ripen by mid- to late summer and persist on the plant until frost. Red baneberry generally has red berries (white in A. rubra var. neglecta), while those of white baneberry are generally white with a prominent black dot (the persistent stigma) on each berry, giving rise to another common name, doll’s eyes. Red baneberry also has the black dot, but it is much larger and more striking on the white berries.

Developing fruits of red baneberry (L), mature red fruits (LC), and sparse (RC) and dense clusters of white fruit (R).

There is an uncommon red-fruited form of white baneberry (formerly called A. pachypoda forma rubrocarpa). The inflorescence of white baneberry thickens after bloom so it is much stouter and has bright red axes and peduncles (the “stems” and “branches” of the raceme), so the two species are easy to distinguish regardless of berry color. This is the main distinction between red and white baneberry. The fleshy berries contain several reddish-brown wedge-shaped seeds, with 10 or more in each red baneberry fruit and fewer but larger seeds in white baneberry fruits.

Developing fruit of white baneberry (L and LC) and mature white fruits on thick red pedicels (RC) and wedge-shaped seeds removed from the fruits (R).

Red baneberry in a Wisconsin woodland.

The entire plant is toxic, but the roots and berries are the most poisonous. The cardiogenic toxins have not been identified. When ingested, the berries have an almost immediate sedative effect on the human heart and can lead to cardiac arrest if enough are consumed. But since the berries are very bitter this is unlikely to happen. It was used medicinally by Native Americans. This poison does not affect birds, so they are able to eat the berries and are the main seed dispersers. Small mammals will eat the seeds, but not the pulp.

These native species can be good additions to shady borders or woodland gardens for their attractive foliage that remains attractive through most of the growing season, pretty flowers (the flowers are not as showy as black cohosh, though) and the conspicuous fruit which provide ornamental interest into the fall. Their upright clump forming habit and light and airy texture contrasts well with coarse-leaved wild ginger (Asarum canadensis) and tall ferns. It can be used as a tall groundcover when planted in groups. Combine one or both species of baneberry with early-blooming woodland flowers for season-long interest. The cultivar ‘Misty Blue’ of white baneberry was selected for its soft, bluish-green foliage.

White baneberry in the fall (yellowing foliage) combined in a garden with hosta, Pennsylvania sedge (Carex pensylvanica) and white wood aster (Eurybia divaricata).

Both species thrive in moist, fertile soil with lots of organic matter in partial to full shade (but will flower better with more light). Leave fallen leaves to allow leaf litter to build up. Plants can be cut back to the ground in late fall to tidy the garden, if desired, but is not necessary. They are occasionally fed on by deer and small mammals, but are rarely significantly damaged by wildlife. It is not affected by juglone so can be grown under black walnut trees.

Baneberry can be propagated by division in early spring or from seed sown outdoors in the fall (although it typically takes 2 or more years to germinate under natural conditions) . Plants are slow growing and take a few years to grow large enough to flower.

– Susan Mahr, University of Wisconsin – Madison

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  1. I am familiar with wild-growing baneberry, but had never thought of using it in the garden. I see why you would need to start with plants if it takes up to two years to germinate! Thank you for these articles. They are giving me all kinds of ideas!

  2. This plant peaks my interest for three reasons: 1) Deer will not do much damage to them; 2) The berries provide food for many types of birds (which are not affected by the plants toxins); and, 3) The pollen of the plant’s flowers will be beneficial to native bees. It is definitely a plant that I will incorporate into my woodland garden. I particularly like the appearance of the berries of white baneberry so will probably start with that one.

  3. Need to remember baneberry as a good plant for shady conditions underneath black walnut trees. Heard a talk this past weekend in which the presenter also suggested pairing them with wild ginger. Sounds like a pretty combination.

  4. Sounds like this may be a good addition for our natural area around the pond edge.

  5. This is not a plant I am familiar with. I learned a lot. I always find medicinal uses of plants interesting. I am familiar with foxglove which also affects the heart. The entire baneberry plant is toxic but the roots and berries are especially so. They have a sedative effect on the heart and can lead to cardiac arrest. Amazing.

  6. Have some on the back portions of our property which we maintain ala natural. I have spent many enjoyable afternoons in the fall and early winter watching the wild life munch the berries and seeds. Tried to move some seedlings to the sunnier front yard area with out success. I think the replant area was to warm and dry. I like the color it brings to the other wise drab forest areas.

  7. I have seen this plant in woodlands but never noticed it in cultivated gardens. I would recommend it to homeowners who believe nothing will grow beneath their black walnut trees. I agree that Dolls Eyes is a memorable, appropriate common name!

  8. I have several of the White Baneberry plants in my woodland perennial garden. I love looking at the “doll’s eyes” as I walk my paths daily.

  9. Interesting plant. Poisonous so I would not want it. And I had to laugh about the white berries also called dolls eyes. I think I would remember that the easiest if I had to identify the plant.

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