Cardinal flower lobelia, Lobelia cardinalis is a native perennial that thrives in moist conditions in its native range, but it can be a good garden perennial with regular irrigation. It will grow in ...
Q. I recently attended a garden fair and purchased some cardinal flower plants. Could you please tell me how to care for them? — Becca, Woodbourne A. Cardinal flower (Lobelia cardinalis) is an ...
Growing lobelia is easy. Hardy in USDA zones 9-11, this lobelia type is a tender perennial grown as an annual in most regions. Lobelia bloom time ranges from spring to fall, though it flowers best during cooler months.
Lobelia is a genus of flowering plants in the bellflower family, also known as Campanulaceae. It is most well-known for its various hues of sky-blue and cobalt-colored flowers, which are remarkably rare in botany. Less than 10% of flowering plants have blue blooms, including blue hydrangeas.
A lovely plant with bright blue to purple blossoms, the trailing lobelia flower is a perfect choice for filling in around garden beds, driveways and borders. It’s easy to grow and depending on your zone, can be an annual or perennial.
There are more than 400 species that include upright and mounding lobelias, annuals, half-hardy annuals, perennials, and even shrubs and aquatic plants. And although cobalt blue may be their signature hue, you’ll also find lobelia flowers in scarlet red, lilac, rose, and vibrant tropical colors.
Lobelia, genus of more than 400 species of flowering plants in the bellflower family (Campanulaceae) native to nearly all the temperate and warmer regions of the world, except central and eastern Europe and western Asia.