Annual varieties. The following varieties are derived from Rudbeckia hirta, an upright annual or short-lived perennial plant that grows wild in almost every state.. They’re easy to grow in any ...

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 ...

In recent years, new varieties of rudbeckia have been developed, including the Indian Summer and Goldsturm cultivars. These hybrids have been bred for larger flowers, longer blooming periods and ...

Rudbeckia, also known as black-eyed Susans, can be either perennial or annual, depending on the species.The most commonly known varieties are perennials, but there are a few shorter-lived, warm ...

Plants to consider include angelonia, balsam (Impatiens balsamina), black-eyed Susan (Rudbeckia spp.), blue daze (Evolvulus glomeratus), celosia, coleus, dahlberg daisy (Thymophylla tenuiloba ...

In recent years, new varieties of rudbeckia have been developed, including the Indian Summer and Goldsturm cultivars. These hybrids have been bred for larger flowers, longer blooming periods and ...