Giant Knotweeds | Fallopia japonica, F. sachalinensis, & F. X bohemica
California Pest Rating for Giant knotweeds | Fallopia japonica, F. sachalinensis, & F. X bohemica Pest Rating: A | Proposed Seed Rating: R PEST RATING PROFILE Initiating Event: Japanese and giant knotweeds have been listed as A rated plants by CDFA for many years. Bohemian knotweed has a Q rating. History & Status: Background: The giant knotweeds … Continue reading Giant Knotweeds | Fallopia japonica, F. sachalinensis, & F. X bohemica
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