This chocolate cosmos has rich maroon daisy45like flowers a seductive chocolate fragrance and is quite striking cosmos atrosanguineus 39spellbound39 is a half45hardy perennial perfect for a sunny border and loved by bees and pollinating insects plant among other perennials to support its stems 45 it looks great with hot fiery colours although perennial the chocolate cosmos is often grown as an annual in the uk but it can easily be over45wintered if grown in containers and