Silphium perfoliatum

Silphium perfoliatum is a North American Prairie Plant of towering proportions. It stands at 2 metres plus, its golden yellow daisies held high up on tall sturdy stems. Silphium perfoliatum will gently self seed when happy and is a magnet for pollinators. It looks wonderful dotted through perennial grasses and other flowering prairie perennials. Sunny position.