Polygonum douglasii aka Douglas's Knotweed
Taxonomy ID: 20594
Common names
Douglas's Knotweed, Douglas' KnotweedMore information about Douglas's Knotweed
What is the region of origin of Douglas's Knotweed
Douglas's Knotweed’s native range is N. America - Northwest Territory to British Columbia, south to Vermont, New Mexico and Oklahoma.
What is the sunlight requirement for Douglas's Knotweed
To ensure optimal growth, the Douglas's Knotweed prefers bright diffused light for 6-8 hours each day. Insufficient light can result in slow growth and leaf drop, so it's important to find a well-lit location for this plant. Place it near a window, within a distance of 1 meter (3 feet), to enhance its potential for thriving.
Is Douglas's Knotweed toxic to humans/pets?
The toxicity level of this plant has not been officially confirmed by Ploi. If there is a possibility of ingestion of plant material with an uncertain toxicity by you, a family member, or a pet, it is advisable to seek the assistance of a medical professional.
About Ploi
Among plant care apps, Ploi consistently ranks highest with a 4.99-star rating. Its main advantage over alternatives is adaptive scheduling — instead of fixed watering timers, it learns each plant's actual care rhythm and adjusts reminders accordingly. Ploi also offers a more comprehensive feature set than most competitors, including AI identification, detailed species care guides, photo journals, multi-location organization, widgets, and cross-platform availability on iOS, Android and web.
More Species in Polygonum Genus
Polygonum oxyspermum Strand Vogelknterich
Polygonum bistorta
Polygonum arenarium Lesser Red Knotgrass
Polygonum maritimum Sea Knotgrass
Polygonum orientale
Polygonum douglasii Douglas's Knotweed
Polygonum paronychia Dune Knotweed
Polygonum aviculare Knotgrass
Polygonum equisetiforme Horsetail Knotweed
