Q:

What is the Blue lobelia?

A:

Quick Answer

The blue lobelia is a flowering plant with intensely blue flowers. One variety of lobelia, L. siphilitica, is called the great blue lobelia. Its blue flowers can persist for a month or more. The lobelia is also called the cardinal flower.

Continue Reading
What is the Blue lobelia?
Credit: Karen CC-BY-2.0

Full Answer

Great blue lobelia grows in soil with adequate moisture and tolerates "wet feet." It needs lots of organic matter and grows to between 2 and 3 feet high with a spread of between 1 and 1 1/2 feet. It thrives in full sun to part shade and needs little care. Flowers arrive from July until September. Lobelia is a perennial and easily self-seeds.

Learn more about Botany

Related Questions

  • Q:

    What is Valerian?

    A: Valerian is a flowering plant commonly used in herbal supplements. An extract from the root of the Valerian plant is used to make natural treatments for sl... Full Answer >
    Filed Under:
  • Q:

    What is Camellia sasanqua?

    A: Camellia sasanqua is a flowering plant species that is native to China and Japan. The flower is usually found in high altitudes and thrives in mountain ran... Full Answer >
    Filed Under:
  • Q:

    What is a yucca gloriosa?

    A: Yucca gloriosa is a species of flowering plant that has the common name of Spanish dagger. This ornamental plant is native to the southeastern United State... Full Answer >
    Filed Under:
  • Q:

    What is Madagascar jasmine?

    A: The Madagascar jasmine, or Stephanotis floribunda, is a flowering plant that is also called the Hawaiian wedding flower. It's not related to true jasmine b... Full Answer >
    Filed Under:

Explore