Rudbeckia is the summer flower to brighten boring garden spots. Rudbeckias are known as a summer flower because their blooms are initiated only when days are long. For flower initiation Rudbeckias ...

Abundance seems too mild a word for the crowd of flowers on Rudbeckia fulgida var. sullivantii 'Goldsturm,' the black-eyed Susan that was named and chosen for the . The sturdy, 2-by-2-foot plant ...

A neglected, sun-baked patch might hold your garden’s liveliest secret. This autumn, small changes could reset winter ...

The black-eyed Susan (Rudbeckia hirta var.floridana) is a species in the Rudbeckia family found throughout Florida in the ...

Someone gave the Rudbeckia growth hormones. Or so it seems when you see Rudbeckia 'Autumn Sun,' a perennial that grows up to 5 feet high -- yet stays dramatically thin. We are by now quite accustomed ...

It's been 20 years, 1997 to be exact, since the Georgia Gold Medal program gave its prestigious award away to one of the most persevering native perennials of all time, the Rudbeckia triloba. At the ...

Angelonia Heat- and drought-tolerant 2-plus-foot-tall constant bloomer with purple, raspberry and white blooms on vertical stalks. Summer phlox. Three-foot-tall fragrant, dome-shaped bloom clusters in ...

Here's a perennial sure to draw comments from even strangers. Rudbeckia 'Herbstonne' grows almost 8 feet tall and 4 feet wide. It has large, sharply lobed leaves and yellow coneflowers atop swaying ...