This native wetland plant forms a carpet of cheery yellow flowers in boggy spots.
Call on marsh marigold when you are faced with a boggy spot because this perennial loves moist soil.
The flowers attract pollinators, including hoverflies, bees, and hummingbirds.
In areas with hot summers and little sun protection, marsh marigold often goes dormant after blooming.
The foliage will wither and die, but the plant will return the following spring.
Marsh marigold is toxic to humans and pets.
It can be in partial shade or full sun, however, the soil must never dry out.
A slightly acidic to neutral soil pH is best.
Any odd corner with moist soil is fair game.
For best effect, plant marsh marigolds in groups or drifts; they will slowly form a carpet.
Dig a hole about twice the diameter of the nursery pot and at the same depth.
Place the plant in the hole and fill in original soil to the top of the root ball.
Gently tamp down the soil.
Water deeply after planting and continue watering until it is established.
Space plants 18 to 24 inches apart.
Light
Marsh marigold grows best infull sunor part shade.
In Zones 6 and above this plant likes shade during the afternoon.
Protection from extreme heat encourages the plant to continue blooming into summer and keeps the foliage vibrant.
Periods of standing water are not a problem.
When planting it inrain gardens, site it near the center of the lowest spot of the plot.
The soil should never dry out; check that to water as needed.
The plant does not have any particular humidity requirements.
Fertilizer
Fertilization is usually unnecessary as the plant draws sufficient nutrients from the soil.
Thenitrogen in a fertilizeris even harmful.
Pruning
During the growing season, remove any dead foliage or stems to improve the air flow.
Pests and Problems
The plant is not prone to serious pests and diseases.
Powdery mildew and rust may occur.
The bitter taste of the leaves discourages wildlife, including deer, from eating the plants.
Replant them immediately at the same depth as the original plant and water well.
Regularly water the new plants until they are established.
It is native to the marshes, swamps, and riverbanks of the southern and eastern United States.
Hardy hibiscus is sure to impress with its dinner-plate-size red, pink, or white flowers in late summer.
Brilliant red flowers are borne in loose spires.
Thisslope garden plancombines tallercottage garden favoriteswith lower-growing plants to fill in the spaces between them.
The effect is a lush, bloom-filled display that will look gorgeous from spring into fall.
This plan works especially well as a border bed next to a set of steps or an inclined path.
One way of distinguishing them is to look at the flowers.
Most marsh marigold has only 5 petal-like sepals whereas lesser celandine has 7 to 12 yellow narrow petals.
Marsh marigold blooms later in the spring than lesser celandine.
The most common marigold in eastern North America is the yellow marsh marigold (Caltha palustris).
It has showy white flowers with yellow centers in late spring and summer.
Updated by Nadia Hassani
Marsh Marigold.
