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 ...
Q. A friend suggested I plant a perennial called Helen’s Flower in my garden. Can you tell me more about it? A. Helen’s Flower (Helenium autumnale) is a perennial native to the U.S. It is also ...
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 ...
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