Ranunculaceae
Caltha palustris var. palustris
Caltha palustris var. palustris var. palustris
Also known as Caltha intermedia, Caltha polypetala var. colchica, Caltha palustris var. borbasii, Caltha palustris subsp. violacea
Flowering Plants · Native Plants · Marsh Plant · Water Garden · Pond Edge · Yellow Flowers · Spring Bloomer · Native · Bog Garden · Wetland · Ranunculaceae · Pollinator
Marsh marigold is a cheerful, early-spring blooming perennial that thrives in wet, boggy conditions such as pond edges, rain gardens, or consistently waterlogged soil. Plant it in part shade to full sun in humus-rich, moisture-retentive soil and ensure the roots never dry out. It is a wonderful choice for water garden margins and attracts early pollinators with its bright yellow cup-shaped flowers.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water generously and frequently; ideal in boggy or pond-margin soils that remain saturated · Every 3-5 days or keep soil consistently wet
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 4.9–6.8
- Temperature
- -20°F to 90°F
- Cycle
- Perennial
Hardiness
USDA 5a-9b
Form & growth
Mature size and habit
- Mature height
- 18 in – 3 ft
- Spread
- 2 ft
- Spacing
- 18 in apart
- Growth rate
- Slow
- Root depth
- Medium
- Flowers
- Yellow
- Foliage
- Green · Coarse
Ecology & origin
Where it belongs and what it brings
- Native to
- Afghanistan, Alaska, Albania, Alberta, Aleutian Is., Altay, Amur, Assam, Austria, Baleares, Baltic States, Belarus, Belgium, British Columbia, Bulgaria, Buryatiya, Central European Rus, China North-Central, China South-Central, China Southeast
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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