All types of helenium ignite late summer displays with intense, fiery shades. Their stunning daisy-like flowers unfold around a central showy pin-cushion, each bloom like a vibrant shuttlecock of ...

Despite shorter days and cooler temperatures as summer transitions to fall, many popular perennials will continue to put on vibrant displays in garden borders. While those long, hazy July days are a ...

Purple-headed sneeze weed has to be near the top of the ‘’bad names for great plants’’ list. A native perennial, this 2-to-3-foot species (Helenium flexuosum) is so attractive that it’s often mistaken ...

Germination of seeds of the common bitterweed was tested under several temperature regimes. The effect of constant temperatures depended upon duration of storage. Fresh seeds germinated well without ...