North America Non-native Plant

Utricularia Guyanensis

Botanical name: Utricularia guyanensis

USDA symbol: UTGU

Native status: Not native but doesn't reproduce and persist in the wild

Synonyms: Utricularia peckii S.F. Blake (UTPE)   

Utricularia guyanensis: The Tiny Carnivorous Wonder for Water Garden Enthusiasts Meet Utricularia guyanensis, a fascinating little carnivorous plant that’s sure to spark conversations in any water garden. While this South American native might not be a household name, it’s a true marvel of nature that deserves a spot in the ...

Utricularia guyanensis: The Tiny Carnivorous Wonder for Water Garden Enthusiasts

Meet Utricularia guyanensis, a fascinating little carnivorous plant that’s sure to spark conversations in any water garden. While this South American native might not be a household name, it’s a true marvel of nature that deserves a spot in the collections of adventurous gardeners who love something truly unique.

What Makes This Plant Special?

Utricularia guyanensis belongs to the bladderwort family, a group of carnivorous plants that have mastered the art of underwater hunting. Don’t let its delicate appearance fool you – this tiny predator is equipped with microscopic traps that capture and digest small aquatic organisms. You might also see it listed under its synonym, Utricularia peckii S.F. Blake, in some plant references.

What really catches the eye are its cheerful little yellow flowers that dance above the water surface on thin stems, creating a whimsical display that looks almost magical floating on your pond or water feature.

Where Does It Come From?

This aquatic beauty calls South America home, with its roots in Guyana and the surrounding tropical regions. In its native habitat, it thrives in soft, acidic waters where it can float freely and hunt for tiny prey.

Should You Grow Utricularia guyanensis?

Here’s the honest truth: this isn’t a beginner’s plant. Utricularia guyanensis is definitely for the more experienced water gardener or carnivorous plant enthusiast. If you’re just starting out with water plants, you might want to try some easier natives first. But if you’re ready for a challenge and love unique specimens, this could be your next obsession!

Perfect Gardens for This Aquatic Gem

This plant shines in:

  • Specialized carnivorous plant collections
  • Small water features and container ponds
  • Bog gardens with standing water areas
  • Greenhouse water gardens
  • Indoor aquatic plant displays

Growing Conditions That Make It Happy

Think tropical spa day, but for plants! Utricularia guyanensis needs:

  • Water quality: Soft, acidic water (think rainwater, not tap water)
  • Light: Bright, indirect light – it loves to photosynthesize but doesn’t want to get scorched
  • Temperature: Warm and cozy, ideally 70-80°F
  • Space: Room to float and spread in shallow water

Climate Considerations

Being a tropical native, this plant is only hardy outdoors year-round in USDA zones 10-11. For most gardeners, that means greenhouse cultivation or bringing it indoors during cooler months. Think of it as a seasonal houseplant that vacations in your water garden during summer!

Planting and Care Tips

Here’s where things get interesting – you don’t actually plant this floating beauty:

  • Introduction: Simply place the plant gently on the water surface
  • Water maintenance: Use only distilled, rainwater, or reverse osmosis water
  • Feeding: No need to feed it – it catches its own micro-meals!
  • Pruning: Remove any yellowing parts to keep it healthy
  • Winter care: Bring indoors or maintain in a heated greenhouse

Wildlife and Pollinator Benefits

While small, those tiny yellow flowers can attract minute flying insects. In its native habitat, it plays a role in aquatic ecosystems by helping control populations of microscopic organisms. In your garden, it’s more of a conversation starter than a major wildlife magnet, but every little bit helps!

The Bottom Line

Utricularia guyanensis is definitely a plant for the dedicated water garden enthusiast. It’s not going to be the star of your landscape, but it will absolutely be the most interesting thing floating in your pond. If you’re ready to dive into the world of aquatic carnivorous plants and don’t mind a bit of extra care, this little South American wonder might just become your new favorite challenge.

Remember, with great uniqueness comes great responsibility – make sure you’re prepared for its specific needs before taking the plunge!

Utricularia Guyanensis

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

Utricularia L. - bladderwort

Species

Utricularia guyanensis A. DC. [excluded]

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