Lobelia Syphilitica- Great Blue Lobelia

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What we ship: Click here to see what your bare root plants and trees will look like upon arrival. They will come up and bloom like product images shown.

Year Round
Bloom Color
Sun & Shade,
Flowering, Ponds & Water Gardens,
Flowering, Ponds & Water Gardens,
Height At Maturity
Under 3 Feet
Bloom Season
4, 5, 6, 7, 8, 9,
4, 5, 6, 7, 8, 9,
4, 5, 6, 7, 8, 9,
4, 5, 6, 7, 8, 9,
4, 5, 6, 7, 8, 9,
4, 5, 6, 7, 8, 9,

Reviews (2)

  • 5
    Great Blue Lobelia

    Posted by Sandra Jones on 15th Aug 2019

    Got a lot of compliments on them. Very easy to grow and care for.

  • 5
    Great Blue Lobelia

    Posted by Kelly Kutrel on 15th Aug 2019

    The blooms on this plant are very unique and beautiful. Looks great in my gardens!

Helpful Gardening Tips

Goes Well With


Shipping Information

We ship all plants usps priority mail. They arrive to most locations within 2-3 days. We package all plants to retain moisture to up to 10 days in transit. All plants ships from our warehouses in Tennessee. All plants are grown and shipped from out Altamont (zip) 37301 location. We do drop ship for re-sellers also for those wanting to resell our plants.

How We Protect Your Plants For Transit

All plants are dug and immediately taken to our warehouse and tera-sorb moisture retention gel is applied to the roots and then wrapped in plastic to retain superior moisture for transit. They are placed in corogated cardboard shipping boxes for protection when shipped

Upon Receipt Of Your Plants

Upon receipt of your plants, unpack and unwrap the roots and mist with water. Plant within 24-48 hours. If you can not plant within this time frame, put your plants in a cool location (ex- basement, garage or cellar) and water the roots daily. Cover them back up with the plastic so they will not dry out until you can plant them. After planted, water every evening after the sun goes down for 5 days.

Shipping Dates
Ships Year Round


Lobelia Syphilitica- Great Blue Lobelia Affordable At Tennessee Wholesale 

Lobelia Syphilitica-  Great Blue Lobelia is also commonly known as the Blue Cardinal Flower. This beautiful wetland plant adds a bright splash of blue during the late summer days, and attracts hummingbirds, bees, butterflies, and other nectar-seeking insects. The Blue Cardinal plant plays a vital role as a food source due to the late summer flowering. Fortunately, deer and rabbits are not attracted to this plant as a food source.

It is a hardy perennial type spreads that quickly under the right conditions in Zones 4-9. They like moist soils ranging from full sun to shady exposure. You will often see it growing near rivers, ponds, bogs, and marshlands. The Great Blue Lobelia grows to be 2 to 3 feet tall and up to 18" wide. The flower heads can produce seeds that quickly propagate.

Great Blue Lobelia is recognized by its large green coarse teeth edge leaves as well as the tube-like blue flowers that provide on the leaf axils. The five-petal flower is bilaterally symmetrical, small, and profuse. A suggested time to plant is in the fall by placing the crown placement just at the surface of the ground after it has been watered. This plant is considered a perennial but dies back after the seed pods have opened. The lower axils put out new shoots that are the base for next year's growth. The spread can be contained by removing seed pods before they open.

Buy Fast Growing Lobelia Syphilitica- Great Blue Lobelia

These flowers are easily used as cut flowers and show well. These plants are native wildflowers that make a beautiful backdrop to lower growth as well as shorter stemmed flowers. Their brilliant blue color makes a statement that is especially suited for more massive arrangements of herbs such as centerpieces.

Native Americans believed this plant had healing qualities for syphilis that explains the use of it's botanical name Syphilitica.

Online Lowest Price Blue Lobelia

Include Great Blue Lobelia in Your Garden 



 The Great Blue Lobelia (Lobelia siphilitica L.) belongs to the Bellflower Family. Native to most of the eastern United States and Canada, it attains a maximum height of up to 3 feet. This perennial produces a thick stem, alternating broad, serrated green leaves, and a multitude of vivid blue (or purplish-blue) blossoms. Flowers contain lipped petals between 1 and 1.5 inches in length; two protrude upwards to create a characteristic bellflower shape. 


A Great Choice For Clay Soils


 The Great Blue Lobelia thrives in a variety of terrains from Zone 4 through Zone 9, particularly in wetland areas. Due to its hardiness and versatility, it provides a great garden selection for people who live in low lying areas with heavy clay soils. It typically blooms for eight weeks between mid-Summer through the early Autumn. It tolerates full to partial sun but does require access to moisture throughout the day. (In locations subject to heatwaves, consider planting it in shaded sites where it won't become dry.) This lovely blossom reportedly even tolerates brief periods of short-term flooding!


Pollinated by Bumblebees


 Due to the long shape of its flower, the Great Blue Lobelia attracts pollinators willing to climb inside to reach its nectar. Bumblebees (not honeybees) serve as the primary insects capable of pollinating Great Blue Lobelia flowers. The plant produces seed capsules during Autumn.

Goes Great With