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Policeman’s Helmet

Impatiens glandulifera

Plant Description

Flower shape resembles British policeman’s helmet. Plant is herbaceous annual that pops up in spring and grows a single tall reddish stem with whorls of green, lance shaped leaves and showy purple to pink orchid-like flowers at the terminus.

Plant Details

Life Forms
ODA Listing
Soil and Moisture Conditions
Suggested Actions
Shade Preference
Mature Height 3-10'
Distribution Not known in Marion County, but can be found in and around Portland
Control Hand pull small patches before they flower, allow roots to air dry.
Disposal Methods Before flowering, plants can be piled and allowed to dry in place. After flowering, remove and bag flower heads to prevent seed set.
Reproduction and Spread Seeds pop from seed heads. Dispersal is by boots, equipment, and water as the seeds can float.
Introduced Originated in the Himalayan region of India
Look Alikes other impatiens
Impact Highly invasive, aggressive invader of Wetlands, Streams and moist woodland; displaces native and beneficial plants; Contributes to flooding and erosion by changing or stopping water movement.
More Info
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