Blue Cardinal Flower Size:1 Gallon Pot Visit our full selection of

Visit our full selection of Achillea plants

Germinates in 5 - 14 days

put it outside in the summertime and watch it thrive

They are prolific bloomers that continually produce heavy blooms from early spring until hard frost

drought tolerant plant is stunning when planted en masse

Blue Cardinal Flower Size:1 Gallon Pot Visit our full selection ofBlue Cardinal Flower Plants for Sale Online The Blue Cardinal Flower (Lobelia siphilitica) is a pollinator perennial known for its beautiful bright blue flowers. The trumpet shaped flowers sit atop long stems, attracting butterflies and hummingbirds. It is a hardy native perennial with large, bright green foliage and blue blooms that appear mid to late summer. The Blue Cardinal Flower thrives in a variety of conditions and can tolerate part sun or