<html><P>Here's a link the Washington State report</P>
<P><A href="http://www.nwcb.wa.gov/weed_info/Written_Findings1/Buddleja_davidii_wf.pdf">http://www.nwcb.wa.gov/weed_info/Written_Findings1/Buddleja_davidii_wf.pdf</A></P>
<P>It's listed as genuinely invasive in New Zealand, England, Washington and Oregon, all temperate, moist climates. It's not hardy as a shrub north of zone 5. My own experience, I had a bush for a butterfly garden and it did produce a few seedlings - in flower pots and sidewalk cracks - but not in regular garden soil.</P>
<P>Jennifer Pines</P></html>
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