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  • Save 35% on All  Perennials for Fall Delivery

Blue Cardinal Flower

Blue Cardinal Flower is a tough, hardy perennial with large leaves and gorgeous, light blue blooms. It is easy to grow and will thrive in either sun or shade. It is perfect for planting in the back of a perennial garden to offset smaller flowers. (Lobelia siphilitica)
Product Size Price Price Per Unit Quantity
Bag of 3

Price: $15.95

Sale: $10.37

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Questions?
Call 877-270-5187

Details:

Zones: 3, 4, 5, 6, 7, 8, 9
Plant Size: 30-36" tall, 10-18" wide
Light: Half Sun / Half Shade
Bloom Time: Mid to late summer
Shipping: Shipping begins in September based on ground temperatures, coldest zones first.

Click Here for more details, product description, reviews, how-to guides and shipping information.

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Details
SKU 1LOBG
Common Name Cardinal Flower
Botanical Name Lobelia siphilitica
Zones 3, 4, 5, 6, 7, 8, 9
Light Requirements Half Sun / Half Shade
Flower Color Blue
Estimated Mature Height 30-36" tall
Estimated Mature Spread 10-18" wide
Bloom Time Mid to late summer
Planting Depth Plant so that the top of the root is 1" below the soil line.
Ships As Bare Root
Planting Season Fall
Will Tolerate Loamy Soil, Clay Soil, Moist/Wet Soil
Soil Moisture Average, Moist/Wet, Well Draining
Suggested Uses Deer Resistant, Hummingbirds & Butterflies, Fragrant, Cut Flowers
Ships to Canada No
Our Master Gardeners Suggest Pairing With:
  • White Trillium

    White Trillium

  • Hosta Earth Angel

    Hosta Earth Angel

  • Garden Gloves

    Garden Gloves

Description

Blue Cardinal Flower is actually quite different in growth from its wildflower counterpart. It is a tougher, heftier plant with somewhat coarse, larger leaves, and the flowers appear in the leaf axils, unlike its elegant cousins red flowers that are in leaf-free flower spikes, held high above the plant. But the blue flowers are lovely and plentiful. Best of all, this plant is not as picky as to growing conditions. It is perfectly happy in any perennial garden, with or without shade. And it is simple to propagate. Let some of the flower heads go to seed in the fall, and you'll have a dozen new plants coming up next spring.

Blue cardinal flower makes a great background for smaller wildflowers, since several together form a wonderful screen-like clump of towering plants with blue flowers for a long period.

Oh, and the name. The botanical species name, syphilitica, comes from the Native American belief that this plant was a cure for syphillis.

Our Master Gardeners Suggest Pairing With:
  • White Trillium

    White Trillium

  • Hosta Earth Angel

    Hosta Earth Angel

  • Garden Gloves

    Garden Gloves

Reviews

REVIEW SNAPSHOT®

by PowerReviews
 
3.3

(based on 8 reviews)

Ratings Distribution

  • 5 Stars

     

    (3)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (3)

71%

of respondents would recommend this to a friend.

Reviewed by 8 customers

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Displaying reviews 1-8

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1.0

Blue Cardinal Flower

By back yard gardener

from New York, NY

Verified Reviewer

Pros

    Cons

    • Did not survive winter

    Best Uses

      did not survive the winter

      • Was this a gift?:
      • No
       
      1.0

      blue cardinal flower

      By KH

      from Edwards, CO

      Verified Reviewer

      Pros

        Cons

          Best Uses

            Did not grow, no sign of growth this spring after planting last fall.

            • Was this a gift?:
            • No
             
            5.0

            Long & Beautiful blooms!

            By Holly

            from Gainesville, Fl.

            Verified Reviewer

            First year in the ground and I had the most wonderful long stalk of flowers that just seemed to bloom on and on into the cooler months! They are still in their dormant rosette stage (a small cluster of leaves close to the ground), but it was late in the year that they performed last year, so I'm not worried at all. Just suddenly -BOOM- flower stalks appear! The flowers are GREAT for pressing, too:) I don't have any in full Florida sun, they are more half sun, and seem perfectly happy.

             
            5.0

            Love this flower

            By BAMA

            from North Alabama- Huntsville

            Verified Reviewer

            Pros

            • Beautiful Flowers Color

            Cons

              Best Uses

                Arrived in great shape. Resistant to insects. Beautiful color. Lasted about 6 weeks. Bloomed first year.

                (1 of 1 customers found this review helpful)

                 
                4.0

                Great for first time gardners

                By Yooper

                from Kinross, MI

                This was a low maintance, quick growing plant. I like it for the back of a flower garden, because of it's height. Great color.

                (2 of 3 customers found this review helpful)

                 
                4.0

                Blue version od Red Cardinal

                By Greenie

                from New City, NY

                Haven't had it bloom yet as its the 1st year...should be good.
                Treat like the red variety and be sure to take basal plantlets in Fall & following Spring to keep your stock going as they are short lived.

                (1 of 1 customers found this review helpful)

                 
                1.0

                Still no growth yet.

                By Plant lover

                from Malden,MA

                love the color of the flowers and their shape. Designated a prominent area for them to enhance the background plants of paler color. I put them in the ground the next day after they arrived, mulched it, marked the area, and sadly nothing show up so far. I am in zone 5-6. Do I have to wait longer before I approach American Meadows ?

                (1 of 1 customers found this review helpful)

                 
                5.0

                Hummer magnet!

                By Greenie

                from New City, NY

                Pros

                • Hummingbird must

                Cons

                  Best Uses

                    Hummer magnet....a must

                    Displaying reviews 1-8

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                    1
                    How-To Guides
                    Our Master Gardeners Suggest Pairing With:
                    • White Trillium

                      White Trillium

                    • Hosta Earth Angel

                      Hosta Earth Angel

                    • Garden Gloves

                      Garden Gloves

                    Shipping

                    Shipping begins in September based on ground temperatures, coldest zones first.

                    View Shipping Rate Chart

                    As soon as your order is placed you will receive a confirmation email. You will receive a second email the day your order ships telling you how it has been sent. Fall bulbs are shipped at the proper planting time for your hardiness zone. Perennial orders may arrive separately from bulbs and seeds. If your order requires more than one shipment, there is no additional shipping charge. See our Shipping Information page for approximate ship dates and more detailed information. If you need express shipping or have any questions, please call Customer Service toll-free at (877) 270-5187 or Contact Us by email.

                    Our Master Gardeners Suggest Pairing With:
                    • White Trillium

                      White Trillium

                    • Hosta Earth Angel

                      Hosta Earth Angel

                    • Garden Gloves

                      Garden Gloves

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