Lomgleaf lobelia is a southeastern native wildflower in the bell flower family (Campanulaceae) and can be found in the NC coastal plain along moving water, such as rivers and streams, f loodplain forests, marshes, tidal marshes, bogs and pine savannas. Longleaf lobelia grows up to 4 feet tall and 2 feet wide and is best planted in partial shade in moist to wet, fertile soils. it will spread by offsets. From summer to fall, 10-40 blue to violet flowers per stem appear on terminal spikes that attract a variety of pollinators. The leaves are long and narrow. Leaving the stems help support stem-nesting bees. See this NC Extension article for more information. Use longleaf lobelia in a pollinator, native, rain or water garden. garden. Often used in wetlands to control erosion and for stream restoration and wetland mitigation. Insects, Diseases, and Other Plant Problems: No significant problems. Snails and slugs are sometimes found among the foliage. More information on Lobelia .
Curated pairwise relationships between this plant and others in the library — who feeds
whom, who competes, who confuses the pests. Green reads as a good pairing, red as one to avoid.
No curated interactions recorded for this species yet.
Also noted by NC State
Related species the NC State Plant Toolbox flags for this plant — look-alikes to tell
apart, and plants that play a similar role in a planting. Ones we carry in the library are linked.