Just discovered lots of newly emerging growth so it is a truly hardy herbaceous perennial after all. Looking forward to an even better display this year.
This variety of the popular north american Bidens aurea was introduced many years ago by Hannay’s Nursery in Bath and is one of the hardier forms which is why I decided to try it here in the chilly Cotswolds. The seed, which is barbed helping it to hitch a ride from grazing animals, came from last year’s Cottage Garden Seed Exchange and was easy to germinate into very sturdy little plants. However, during April, May and June they just sat there at about 30cm tall waiting for some warmth and sunshine.
I had read that this form of Bidens can run and become a bit of a thug if it likes your soil and aspect so I decided to plant it carefully in several very different parts of the garden. To my total surprise, it has done best with it’s feet in sticky clay and is now 120cm high and…
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