This plant is a Japanese anemone and this is what I"ve learnt:
"Occasionally they are called windflower, because they resemble clouds of flower stalks being tossed gently in an autumn breeze, an irresistible sight. ... But if you're lucky and you have a long autumn they will go to seed and release a fluffy pod of seeds that resemble cotton"
This is natural colour but appears to be just sepia!
@maggiemae Oh, it reminds me of autumn because we have more and more of it. But after winter dormancy, this is what the seeds look like in spring. I wish you a beautiful spring!