Flatleaf Bladderwort
Utricularia intermedia
- Native to:
- Austria, Baltic States, Belarus, Belgium, Canada, China, Czechia-Slovakia, Denmark, Finland, France, Germany, Greenland, Ireland, Italy, Japan, Kazakhstan, Kirgizstan, Korea, Kuril Is., Labrador, Netherlands, Norway, NW. Balkan Pen., Poland, Prince Edward I., Romania, Russia, Sweden, Switzerland, Ukraine, United States
Jacob Sturm (illustrator), Johann Georg Sturm (editor)







Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Lentibulariaceae
- Genus:
- Utricularia
- Species:
- Utricularia intermedia
- USDA Symbol:
- UTIN2
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Aquatic
- Height:
- 25 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- yellow
Garden & Ecology Notes
- Wildlife Value:
- aquatic invertebrates
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- nutrient-poor, acidic, peaty soil
- pH:
- 4.5 - 6.5 (acidic to slightly acidic)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in bogs and marshes
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–90 days
- Notes:
- Seeds require wet, acidic conditions; germination is sporadic and poorly documented. Vegetative propagation is more reliable.
The above propagation data sourced from Claude AI