Common Names: Blue Lobelia | Blue Cardinal Flower
Scientific Name: Lobelia siphilitica
 
Plant Characteristics
Duration: Perennial
Size: Typically grows to a height of 2-3 ft.
Bloom Color: Bright Blue
Bloom Time: Late Summer to Early Fall
 
Growing Conditions
Water Use: High
Light Requirement: Partial Sun to Partial Shade
Soil Moisture: Moist to Wet
 
 
Ecological Benefits
Blue Cardinal Flower (Lobelia siphilitica) is a vital component of Maryland's ecosystems, especially in wetland and riparian areas. Its striking, bright blue blooms attract native pollinators, including hummingbirds and butterflies, contributing to the region's biodiversity. This perennial plant's ability to thrive in moist to wet soils enhances water filtration and stabilizes streambanks. By providing essential habitat and nectar resources, Blue Cardinal Flower plays a key role in supporting the health and balance of local natural systems.