Family: Lentibulariaceae
Genus: Utricularia (yoo-trik-u-LAR-ee-uh) (Info)
Species: macrorhiza (mak-roh-RY-zuh) (Info)
Category:
Perennials
Ponds and Aquatics
Carnivorous and Insectivorous
Height:
under 6 in. (15 cm)
6-12 in. (15-30 cm)
Spacing:
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
Hardiness:
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
Sun Exposure:
Full Sun
Danger:
N/A
Bloom Color:
Bright Yellow
Bloom Time:
Mid Summer
Late Summer/Early Fall
Foliage:
Herbaceous
Other details:
Very high moisture needs; suitable for bogs and water gardens
This plant may be considered a protected species; check before digging or gathering seeds
Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information:
Non-patented
Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From leaf cuttings
From seed; stratify if sowing indoors
From seed; germinate in a damp paper towel
Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Seed does not store well; sow as soon as possible
| 
