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Rosebay willow herb

I am toying with the idea of introducing a cultivated Rosebay willow herb into my borders as I would really like to encourage elephant hawk moth caterpillas into our garden. 

I am aware that the cultivated plant is sterile and spreads by rhizomes quite vigorously , but I'm wondering how vigorously? Will it take over my garden? I'm currently fighting a losing battle with hedge woundwort which I stupidly let grow for the bees ( and is now taking stinks by the way!), and I don't want to make the same mistake Again.

does anyone else grow this in their gardens? 

Many thanks 


  • nutcutletnutcutlet Posts: 26,974

    The moths are pretty impressive aren't they. We get quite a few of them in the mothtraps but I've yet to see a caterpillar. I have some wild RBWH which is invasive and a pink one, I think it's called 'Italian Beauty'  (maybe) which was said to be non invasive but.........


     moths uk says other plants including bedstraw, maybe that would be less invasive

    In the sticks near Peterborough
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