Great Blue Lobelia

Lobelia siphilitica

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Campanulaceae
Genus:
Lobelia
Species:
Lobelia siphilitica

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
4-6 ft
Light Requirements:
Full Sun, Part Shade, Shade
Drought Tolerance:
Low
Bloom Months:
jul, aug, sep, oct
Bloom Colors:
Blue, Purple

Native Range

United States: Alabama, Arkansas, Colorado, Connecticut, District of Columbia, Delaware, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Virginia, Vermont, Wisconsin, West Virginia, Wyoming, Canada: Manitoba, Ontario

Keystone Species Ranking

Caterpillar Keystone:
★★★★★ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)

Host Plant for Caterpillars

Dark-spotted Palthis (Palthis angulalis)

Reported Fauna Sightings

Bees: American bumble bee (Bombus pensylvanicus), American bumble bee (Bombus pensylvanicus), Brown-belted bumble bee (Bombus griseocollis), Brown-belted bumble bee (Bombus griseocollis), Common eastern bumble bee (Bombus impatiens), Common eastern bumble bee (Bombus impatiens), Half-black bumble bee (Bombus vagans), Half-black bumble bee (Bombus vagans), Northern amber bumble bee (Bombus borealis), Northern amber bumble bee (Bombus borealis), 🛑Rusty-patched bumble bee (Bombus affinis), 🛑Rusty-patched bumble bee (Bombus affinis), Yellow bumble bee (Bombus fervidus), Yellow bumble bee (Bombus fervidus)

Soil Requirements

Soil Type:
rich, moist, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
prefers wetland areas and stream banks

Germination Information

Pre-treatment: Stratification: mixed with damp sand and stored at 38 F for 12 weeks in a sealed plastic bag

Source: npn.rngr.net