Lobelia siphilitica
Lobelia siphilitica
Blue Lobelia
Dramatic spikes of large deep blue flowers make this a summer blooming knockout! Provide rich soil and ample moisture for best performance. Great cut flower. (Perennial)
Bloom time Size Exposure
Summer 24-36" tall x 12-18" wide Sun Part Shade 
Hardiness Zone:5,6,7,8,9
zone map Cold Hardy to -20° to -10°F
Attracts Hummingbirds Attracts HummingbirdsDeer Resistant Deer Resistant
Fall/Winter Color Fall/Winter ColorGood for Cut Flowers Good for Cut Flowers
Tolerates moist soil Tolerates moist soil