North America Native Plant

Foldear Lobelia

Botanical name: Lobelia flaccidifolia

USDA symbol: LOFL2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Lobelia halei Small (LOHA4)   

Foldear Lobelia: A Hidden Gem for Wet Spots in Your Garden Meet the foldear lobelia (Lobelia flaccidifolia), a charming native annual that might just be the perfect solution for those soggy spots in your garden that leave you scratching your head. This little southeastern beauty has quietly been thriving in ...

Foldear Lobelia: A Hidden Gem for Wet Spots in Your Garden

Meet the foldear lobelia (Lobelia flaccidifolia), a charming native annual that might just be the perfect solution for those soggy spots in your garden that leave you scratching your head. This little southeastern beauty has quietly been thriving in wetlands across the Gulf Coast for ages, and it’s high time we gave it the garden spotlight it deserves.

What Makes Foldear Lobelia Special?

Foldear lobelia is a delicate forb – basically a non-woody flowering plant – that belongs to the beloved Lobelia family. Don’t let its humble appearance fool you; this annual packs a surprising punch when it comes to both beauty and ecological value. You might also see it listed under its former scientific name, Lobelia halei, but rest assured it’s the same wonderful plant.

As a native species to the southeastern United States, foldear lobelia has spent countless years perfecting the art of thriving in wet conditions. It’s what botanists call an obligate wetland plant in most regions, meaning it almost always calls wetlands home – though it can be a bit more flexible in the Great Plains region.

Where Does It Call Home?

This southeastern native has made itself comfortable across Alabama, Florida, Georgia, Louisiana, and Texas. If you’re gardening anywhere in these states, you’re in foldear lobelia’s natural neighborhood, which means it’s already adapted to your local climate and soil conditions.

Garden Appeal and Design Potential

While foldear lobelia might not win any showiest flower contests, it brings a subtle, naturalistic charm to the garden. Like its Lobelia cousins, it produces small, tubular flowers in lovely shades of blue to purple that dance on slender stems throughout the growing season. The narrow leaves give it a delicate, grass-like appearance that adds wonderful texture to plantings.

This plant really shines in:

  • Rain gardens and bioswales
  • Wetland restoration projects
  • Native plant gardens
  • Bog gardens
  • Pond edges and water features
  • Low-lying areas that stay consistently moist

Growing Conditions and Care

Here’s where foldear lobelia really shows its worth – it absolutely loves what most plants hate: wet feet! If you’ve got a spot in your garden that stays soggy or floods seasonally, this might be your new best friend.

Light Requirements: Foldear lobelia is pretty flexible, handling everything from full sun to partial shade, though it tends to appreciate some afternoon shade in hotter climates.

Soil Needs: Consistently moist to wet soils are essential. Think pond edges, rain garden bottoms, or that low spot in your yard where water collects after storms.

USDA Hardiness Zones: This warm-weather lover thrives in zones 8-10, perfectly matching its native southeastern range.

Water Requirements: Unlike most garden plants, you literally cannot overwater this one. It thrives in conditions that would drown other species.

Planting and Care Tips

The good news about foldear lobelia is that once you get it established in the right spot, it’s remarkably low-maintenance. As an annual, it completes its entire life cycle in one growing season, but don’t worry – it’s quite good at self-seeding if conditions are right.

Here are some tips for success:

  • Plant in consistently wet or moist areas
  • Allow for natural self-seeding by leaving some spent flowers
  • Avoid fertilizing heavily – it prefers lean, wet conditions
  • Consider direct seeding in fall or early spring
  • Group plantings create more visual impact than single specimens

Wildlife and Pollinator Benefits

Like other members of the Lobelia family, foldear lobelia is a pollinator magnet. Its tubular flowers are perfectly designed to attract butterflies, bees, and other beneficial insects. As a native species, it has co-evolved with local wildlife, making it particularly valuable for supporting native pollinator populations.

The plant also contributes to the broader wetland ecosystem, helping with water filtration and providing habitat structure for various small creatures that call wetland areas home.

Should You Grow Foldear Lobelia?

If you’re dealing with wet, problematic areas in your garden, foldear lobelia could be exactly what you need. It’s particularly valuable if you’re interested in:

  • Native gardening and supporting local ecosystems
  • Creating functional rain gardens or bioswales
  • Adding natural beauty to wet areas
  • Supporting native pollinators
  • Low-maintenance gardening solutions

The main consideration is whether you have the right growing conditions. This isn’t a plant for dry, well-drained garden beds – it needs consistent moisture to thrive. But if you’ve got the wet conditions it craves, foldear lobelia offers a wonderful way to turn a challenging garden spot into a beautiful, ecologically valuable feature.

Sometimes the best garden plants are the ones that work with nature instead of against it, and foldear lobelia is a perfect example of this philosophy in action.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Atlantic and Gulf Coastal Plain

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Eastern Mountains and Piedmont

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Great Plains

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Foldear Lobelia

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Campanulales

Family

Campanulaceae Juss. - Bellflower family

Genus

Lobelia L. - lobelia

Species

Lobelia flaccidifolia Small - foldear lobelia

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA