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 2-3' tall x 12-18" wide Sun Part Shade 
Hardiness Zone:5,6,7,8,9,10,11
zone map Cold Hardy to -20° to -10°F
Attracts Bees Attracts BeesAttracts Butterflies Attracts Butterflies
Attracts Hummingbirds Attracts HummingbirdsDeer Resistant Deer Resistant
Good for Cut Flowers Good for Cut FlowersLong Blooming or Repeat Blooming Long Blooming or Repeat Blooming
May Naturalize May NaturalizeShowy Flowers Showy Flowers
Tolerates moist soil Tolerates moist soil