Buddleja davidii (Orange Eye, Butterfly Bush)

Can be highly invasive and is a problem plant in areas of the West where it has populated stream areas to the detriment of native flora and fauna. Prolific seed dispersal.
I did have three in different colors, but because of the number of seedlings cropping up have limited my yard to one plant. Some varieties are highly fragrant.

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Is now a Class B noxious weed in WA and OR State. The largest problem in WA is found on the west side of the state (west of the Cascade Mnts.) One study found that in one single flower head an estimated 40,000 seeds can be produced. Also noted that cut stems on the ground are capable of producing basal roots and rooting them selves to start new plants.
Source: Washington State Noxious Weed Control Board

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Interesting... It is not classified as an invasive in Nebraska. A nice plant for a cottage or butterfly garden. Very nice fragrance. Cut back to 6-8 inches in the spring.

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the single bush i have was a volunteer that popped up after a '03 hurricane i transplanted it to the back yard and have been enjoying it ever since

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Definitely will spread around and a fast grower. Can be cut back severely to keep in check. Butterfly magnet.

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