Utricularia geminiscapa

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Utricularia geminiscapa

Ease to Grow: Easy.
Dormancy: Yes, forms turions.
Native Range: Northeastern N. America.
Zones: 4-7 (3-9).

Utricularia geminiscapa, the Hidden Fruit Bladderwort, is similar to Utricularia macrorhiza, but also has small closed flowers under the water. It is a medium size, perennial, aquatic bladderwort with bright yellow summer flowers. It grows suspended in the boggy waters with no roots.  Its leaves are finely divided, and interspersed with numerous bladders about 1/8", which turn dark from devouring infusoria, including mosquitoes. It prefers dark, tea colored, boggy waters rich in tannins.  It does best in full sun, growing under and among emergent aquatic plants, such as water lilies, frogbit and pickerel weed. Its flowers reaching above the water in mid summer.  As Fall approaches, it forms turions (winter buds), which settle to the bottom, and help it survive winters. This is a wonderful plant for the garden bog pool, and will help reduce the mosquito population.

Length: 18+".
Plant Type: Perennial, temperate.
Soil: Bog Water.
Light: Bright to partial bright indoors, partial sun outdoors.
Use: Grows well indoors and greenhouse.  Great for helping to control mosquitoes.

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