Day 231: Spotted Knapweed

“Spotted knapweed was accidentally introduced into North America in the late 1800s in contaminated alfalfa and clover seed and in soil used for ship ballast. In North America, plants generally live 3 to 7 years but can live up to nine years or longer and regrow from buds on the root crown. Reproduction is by seed. Individual plants are capable of producing an estimated 500-4,000 seeds per square foot per year. Most of the seed is viable at the time of dispersal and can remain viable in the soil for 5-8 years. Most seed is dispersed near the parent plant but can be moved great distances by people, livestock, wildlife, and vehicles and in soil, crop seed, and contaminated hay. Spotted knapweed is widely distributed in the U.S. and is reported to occur in every state in the Lower 48 except Texas, Oklahoma and Georgia.” To read more click here

10 thoughts on “Day 231: Spotted Knapweed

    • Thank you! When you have a plant as invasive as this one is states do everything they can to make sure it doesn’t take hold which is why you probably haven’t seen it. The only reason I’ve seen it is because I live so close to areas that do not get any attention so plants and flowers are allowed to grow as they please.

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  1. What a gorgeous little flower and I just love its colour Jackie. Great capture of it and thanks for sharing the interesting info about it. 😀 ♥

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