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Bushy Knotweed
USDA Data Attributes
Last Updated: April 19, 2025
These are attributes based on information from the USDA.
- Scientific Name
- polygonum ramosissimum
- Common Name
- bushy knotweed
- Growth Habit
- herb
- Native Status
- Probably introduced in Alaska, Native in Canada, Native in contiguous United States.*
USDA Data Attributes
Last Updated: April 19, 2025
These are attributes based on information from the USDA.
- Scientific Name
- polygonum ramosissimum var. prolificum
- Common Name
- bushy knotweed
- Growth Habit
- herb
- Native Status
- Probably introduced in Alaska, Native in Canada, Native in contiguous United States.*
USDA Data Attributes
Last Updated: April 19, 2025
These are attributes based on information from the USDA.
- Scientific Name
- polygonum ramosissimum var. ramosissimum
- Common Name
- bushy knotweed
- Growth Habit
- herb
- Native Status
- Probably introduced in Alaska, Native in Canada, Native in contiguous United States.*
Native Status: Native denotes naturally occurring around 1500 CE. Introduced plants arrive later. Introduced plants reproduce on their own without help. Waifs persist only for a short time. Garden Persistent plants remain only where planted and do not spread from them. Please know native status can be ambiguous.
Propagation Type: Plants can be grown in a number of ways, these propgation types are those assoccated with the plants from the USDA plants database.