If there's one plant that can inject a little razzle-dazzle into the border during this gloomy summer, it is Helenium 'Sahin's Early Flowerer'. This provides a vibrant mix of orange and ...

After this cool spring and summer I know we're not quite ready for autumn, but experienced gardeners are already eyeing plants that will prosper in the late summer and early fall. One of my favorites ...

This is a preview. Log in through your library . Abstract A systematic treatment is presented for the 14 recognized taxa of sect. Tetrodus, with synonymies, typifications, descriptions, discussions, ...