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

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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