DENVER — The Gloriosa Daisy (Rudbeckia hirta) is an American wildflower found throughout the country. Blooming in late summer and fall, its big, bold flowers make quite a show. The state flower of ...

The Garden Guy has the tendency each week to tell you about the latest and greatest plants for the landscape, but this year I have been reminded that there are some flowers that have stood the test of ...

Whether you call them gloriosa daisies, black-eyed Susans or rudbeckias, one thing is certain: they are among the showiest plants in the summer garden. In last summer’s trials it was the Denver Daisy ...

I'll come right out and admit it - I am a gloriosa daisy or Rudbeckia hirta freak. Judging by the orange flags at trials across the country many of you are, too! If you don't know about the flags let ...

In his passion for a major project of transformation, professor Alfred Francis Blakeslee of Smith College somewhat resembled professor Henry Higgins of the 1957 Broadway hit, “My Fair Lady.” Higgins ...

Growth habit: A short-lived upright perennial growing to 3 feet tall and half as wide. The leaves are medium green, spatulate-shaped and often hairy, growing to12 inches long and 3 inches wide Light: ...

The Garden Guy has the tendency each week to tell you about the latest and greatest plants for the landscape, but this year I have been reminded that there are some flowers that have stood the test of ...

The Garden Guy has the tendency each week to tell you about the latest and greatest plants for the landscape, but this year I have been reminded that there are some flowers that have stood the test of ...

This year I have been reminded that there are some flowers that have stood the test of time and should always be included in the landscape. This is precisely where gloriosa daises fall in the list of ...

Rudbeckia or Denver Daisies Close Up View. (Photo: Shutterstock). The Garden Guy has the tendency each week to tell you about the latest and greatest plants for the landscape, but this year I have ...

The Garden Guy has the tendency each week to tell you about the latest and greatest plants for the landscape but this year I have been reminded that there are some flowers that have stood the test of ...