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Pokeweed berries. Photo Credit: Robert Vidéki, Doronicum Kft., Bugwood.org -
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Also known as: American pokeweed, common pokeweed, inkberry, pokeberry, poke
You may have seen it lurking along roadways or in your garden, with its attractive purple berries drooping down in long bunches. Although the odd-looking pokeweed may seem unthreatening, caution is recommended! All parts of this plant, including its showy berries, are toxic.
Description:
| Life Cycle: | Perennial (life cycle lasts more than one year) |
| Early Detection and Rapid Response species: | Yes |
| Height: | Up to 9 feet (3 meters) |
| Leaf Description: | The leaves are smooth, lance-shaped, and are alternate on the stem. They are bright green or yellowish green, particularly in sunny locations. |
| Fruit & Flower Description: | The small, white to green flowers form cylindrical clusters that hang from the stems. In late summer through early fall, its berries hang down in tight bunches and are dark purple when ripe. |
| Bloom Time: | June to July |
Habitat:
- Pokeweed can often be found in yards, pastures, forest edges, or disturbed sites like roadsides.
- Seeds are distributed in bird droppings, so pokeweed is often found in areas where birds like to rest, like fence lines and under powerlines.
- This hardy species can survive in shade or sun and tolerates many soil types but prefers areas with moisture.
Impact:
- Pokeweed is highly aggressive and easily outcompetes native plant species.
- Its poisonous berries pose a threat to livestock, pets, and unsuspecting people looking for a roadside snack.
- Birds are reported to eat the berries without ill-effect and may occasionally become intoxicated after eating many of them.
What you can do about it:
- Please report any pokeweed infestation to the Oregon Invasive Species Hotline.
- Digging up the plant and roots with a shovel is easiest. This is most effective in the spring when pokeweed is beginning to re-grow. Take care to remove the entire root system and throw it away in a plastic bag in the trash—not your yard waste bin or home compost.
Look-alikes:
Pokeweed’s leaves look similar to woody knotweed ’s leaves, but pokeweed produces berry clusters whereas knotweeds do not.
Noxious Weed Listing:
| State of Oregon: | Not Listed |
| State of Washington: | Not Listed |
More Resources:
- University of California, Weed Research and Information Center: Common pokeweed