Scientific Name: Caltha palustris
Common Name: yellow marsh marigold
Family Name: Ranunculaceae
Origin: Europe, North America
Hardiness Zone: Zone 3: (-40 to -34 °C)
Plant Type: Aquatic plant, Herbaceous perennial
Mature Size: 0.2 - 0.4m x 0.3 - 0.6m (height x width)
Habit: Dense, Spreading
Form: Mounded
Texture: Medium - coarse
Landscape Uses: Aquatic - ponds, Herb, Wetland - bogs
Exposure: Full sun
Soil or Media: Bog
Leaves: Simple, Alternate, Soft flexible, Glabrous, Orbicular, Ovate, Reniform, Dentate
Flowers: Corymb, Yellow, Apr-May
Fruit: Aggregate fruit, Follicle, Yellow, Brown, Jun
Key ID Features:
Semi-aquatic; stems hollow, membranous sheaths at nodes; leaves alternate, most blades expand to 10-15cm long x 8-14cm wide, toothed; flowers are buttercup-like, 3-4cm wide.