Category
Ponds and Aquatics
Water Requirements
Very high moisture needs; suitable for bogs and water gardens
Sun Exposure
Full Sun
Foliage
Smooth
Foliage Color
Height
6-12 in. (15-30 cm)
Spacing
6-8 ft. (1.8-2.4 m)
Hardiness
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
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)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
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Where to Grow
Danger
Parts of plant are poisonous if ingested
Bloom Color
Bright Yellow
Bloom Characteristics
Bloom Size
Bloom Time
Blooms all year
Blooms repeatedly
Other details
May be a noxious weed or invasive
Soil pH requirements
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
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