How to Grow and Care for Caltha

Yellow marsh marigold (Caltha palustris) is a perennial wildflower that grows from 30 to 91 cm tall. It produces bright yellow buttercup-like blossoms that bloom from spring to summer. It is commonly found growing in moist woodlands and boggy areas. It is a favorite of grazing cows and attracts butterflies and bees. Its seeds can be collected after blooming for replanting in other locations.

Howell's marsh marigold is a snowbank flower native to the western parts of North America. This plant always blooms around the time when snow melts and winter ends. Each stalk typically produces only one flower. In spite of the name, howell's marsh marigold is not closely related to true marigolds.

Yellow flowers stand out.

Yellow marsh marigold 'Flore Pleno' is a winner of the Award of Garden Merit and a double version of the usual marigold. A more manageable and beautiful variety, yellow marsh marigold 'Flore Pleno' was cultivated as a hybrid and named after the Latin word for "full flower" due to its double blooms. This cultivar is popular for its vibrant and prolific blooms and ease of care.

Yellow marsh marigold 'Alba', a marsh marigold variety, displays distinctive ivory-hued blossoms instead of the common species' bright yellow. The white flowers bloom in early spring, thriving in moist, boggy areas. Round, deep green leaves offer a lush backdrop to the delicate, cup-shaped blooms that attract early pollinators, subtly supporting the ecosystem.