blue cardinal flower seeds Lobelia siphilitica

blue cardinal flower seeds Lobelia siphiliticaGreat blue lobelia (Lobelia siphilatica) is a stunning native perennial that can be found growing in moist areas across much of eastern North America. It brings incredible color to the late summer garden with a profusion of blue flower spikes. Blue cardinal flower is happiest in part shade in moist soil that never dries out. It will tolerate full sun in cool, northern locations. It will also tolerate heavy shade. This easy plant can form vast colonies

Great blue lobelia (Lobelia siphilatica) is a stunning native perennial that can be found growing in moist areas across much of eastern North America. It brings incredible color to the late summer garden with a profusion of blue flower spikes. 

Blue cardinal flower is happiest in part shade in moist soil that never dries out. It will tolerate full sun in cool, northern locations. It will also tolerate heavy shade. This easy plant can form vast colonies when well sited. Self-seeds reliably. 

Distinctions: Winner of the Award of Garden Merit by the Royal Horticultural Society.

WARNING: Extremely toxic. May cause serious illness or death if ingested. Sap or juice may cause dermatitis.

Zones: 4 to 9
Family: Campanulaceae
Type: Herbaceous Perennial
Height: 24 to 36 in.
Spread: 12 to 18 in.
Exposure: full sun to full shade
Conditions: moist to wet 
Bloom Time: July to September
Native Range: eastern North America