Helianthus angustifolius Very Rare That singular red pigment made

That singular red pigment made the copper iris invaluable to plant breeders

each fall stamped with a white patch and a raised orange or yellow ridge

a plant of edges and transitions rather than interiors

And the same caution applies: for all the anise in the foliage

Helianthus angustifolius Very Rare That singular red pigment madeThe name does the plant no favors. "Swamp sunflower" conjures boggy ground and standing water, which is where you find the plant in the wild, yes, but not where you need to plant this sunflower in the garden. Helianthus angustifolius tolerates wet soils in nature because wet soils are where the plant manages to grow without being outcompeted. Given good sun and average garden moisture, the sunflower performs considerably better and needs no drainage