Cowflock
Caltha palustris
Caltha
Ranunculaceae
Flowering Plants
Zone 4–10
🐾 Pet-Safe
Marsh marigold produces bright yellow buttercup-like flowers in early spring before most other plants emerge. This moisture-loving perennial requires consistently wet soil and partial shade to thrive. Perfect for bog gardens, pond edges, or naturally wet areas in the landscape.
Care Requirements
Care Level
Moderate
Sun
Partial Shade
Water
Moderate
Growth Rate
Slow
Mature Height
24″ – 60″
Soil
loam
Life Cycle
Perennial
Spacing
15″
Watering Schedule
Every 3-5 Days • Keep Soil Consistently Moist To Wet, Thrives In Boggy Conditions
Soil pH
4.9 – 6.8
Temperature
-30° – 95°F
Mature Spread
up to 30″
Root Depth
Medium
Foliage
Coarse
Propagation: Seed
Ecology & Origin
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
Data: trefle, usda
Image: trefle.io — Taken Sep 15, 2017 by Michel Nialon (cc-by-sa)
Hardiness Zones
1
2
3
4
5
6
7
8
9
10
11
12
13
Available From (1)
Culver Canopy Plants
75 in stock15gal
pickup
selfDelivery
$57.95