North America Native Plant

Blueflower Butterwort

Botanical name: Pinguicula caerulea

USDA symbol: PICA7

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Blueflower Butterwort: A Tiny Carnivorous Native Perfect for Bog Gardens Meet one of nature’s most charming little predators – the blueflower butterwort (Pinguicula caerulea). This petite carnivorous plant might be small, but it packs a big punch when it comes to unique garden appeal and ecological value. If you’ve ever ...

Blueflower Butterwort: A Tiny Carnivorous Native Perfect for Bog Gardens

Meet one of nature’s most charming little predators – the blueflower butterwort (Pinguicula caerulea). This petite carnivorous plant might be small, but it packs a big punch when it comes to unique garden appeal and ecological value. If you’ve ever dreamed of growing your own carnivorous plants while supporting native species, this southeastern beauty might just be your perfect match.

What Makes Blueflower Butterwort Special

Don’t let the innocent name fool you – blueflower butterwort is a skilled hunter! This perennial forb forms adorable rosettes of yellowish-green, sticky leaves that work like natural flypaper. Small insects get trapped on the greasy leaf surface, providing the plant with extra nutrients in nutrient-poor wetland soils. Above these functional leaves, delicate blue to violet flowers dance on slender stems, creating a charming contrast that’s both beautiful and beneficial.

Where It Calls Home

Blueflower butterwort is proudly native to the southeastern United States, naturally occurring in Florida, Georgia, North Carolina, and South Carolina. This plant has earned its place as a true wetland specialist – it’s classified as Obligate Wetland in both the Atlantic and Gulf Coastal Plain and Eastern Mountains and Piedmont regions, meaning you’ll almost always find it in soggy, swampy conditions.

Why You Might Want to Grow It

Here’s why blueflower butterwort deserves a spot in the right garden:

  • Native plant benefits: Support local ecosystems and wildlife while reducing maintenance needs
  • Natural pest control: Those sticky leaves catch gnats, fruit flies, and other tiny nuisances
  • Unique conversation starter: Few plants are as fascinating as a carnivorous native
  • Pollinator support: The small flowers attract specialized tiny pollinators
  • Low maintenance: Once established in the right conditions, it’s quite self-sufficient

The Perfect Garden Setting

Blueflower butterwort isn’t for every garden – and that’s perfectly okay! This specialized plant thrives in:

  • Bog gardens and carnivorous plant collections
  • Native wetland restoration projects
  • Rain gardens with consistently moist conditions
  • Specialized native plant gardens focused on southeastern flora

If you’re creating a themed garden around carnivorous plants or native wetland species, this little butterwort will be right at home alongside other moisture-loving natives.

Growing Conditions and Care

Success with blueflower butterwort comes down to mimicking its natural wetland habitat:

  • Moisture: Consistent wetness is non-negotiable – think soggy sponge rather than damp soil
  • Soil: Acidic, nutrient-poor conditions (avoid fertilizers!)
  • Light: Full sun to partial shade
  • Climate: Hardy in USDA zones 8-10
  • Water quality: Use distilled or rainwater when possible, as tap water minerals can harm the plant

The key to success is remembering that this plant evolved in nutrient-poor bogs where it supplements its diet by catching insects. Rich, fertilized soil will actually harm it, so resist the urge to feed it with plant food.

Is This Plant Right for You?

Blueflower butterwort is perfect for gardeners who:

  • Live in USDA zones 8-10 where it’s naturally hardy
  • Have or want to create consistently wet garden areas
  • Enjoy unique, specialized plants with interesting behaviors
  • Want to support native plant conservation
  • Appreciate subtle beauty over flashy displays

However, it might not be the best choice if you’re looking for a low-water plant or something for typical garden beds. This little carnivore has very specific needs, but for the right gardener in the right conditions, it’s an absolute treasure.

A Small Plant with Big Impact

While blueflower butterwort may be tiny, it represents something much larger – our native plant heritage and the intricate relationships that make ecosystems work. By choosing to grow this specialized native, you’re not just adding an interesting plant to your garden; you’re participating in conservation and creating habitat for the small creatures that keep our natural world in balance.

Ready to try your hand at carnivorous plant gardening? Blueflower butterwort might just be the perfect gentle introduction to this fascinating world of botanical predators!

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

Blueflower Butterwort

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

Scrophulariales

Family

Lentibulariaceae Rich. - Bladderwort family

Genus

Pinguicula L. - butterwort

Species

Pinguicula caerulea Walter - blueflower butterwort

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