This native wetland plant shape a carpet of sunny yellow flowers in boggy spots .
A marigold only in name — the plant life belongs to the buttercup family — marsh marigoldcheerfully illuminates wet areas with metrical foot - magniloquent mounds of glossy , heart - shaped foliage and sunny jaundiced heyday from midspring through other summertime . Call on marsh marigold when you are face with a boggy smudge because this perennial loves moist soil . It is aboriginal to marshes , swamp , stream margins , and wet meadows in Newfoundland and Alaska in the south to Nebraska , Tennessee , and North Carolina . 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 leafage will wither and die , but the plant will return the following spring .
Marsh marigold is toxic to humans and pet .
Where to Plant Marsh Marigold
When you choose a planting emplacement for marsh marigold , wet is key . It can be in partial tone or full sun , however , the grime must never dry out out . A more or less acidic to neutral soil pH is best .
While marsh marigold is commonly implant in pee gardens , bog garden , and along freshwater ponds or streams , it does not require a prime locating . Any odd corner with moist land is fair secret plan . For in force effect , plant marsh marigolds in groups or drifts ; they will slowly mold a carpeting .
How and When to Plant Marsh Marigold
Plant marsh marigold in the spring so it has the total growing season to get constitute . toil a hole about twice the diameter of the nursery pot and at the same astuteness . commit the plant life in the hollow and fill in original soil to the top of the tooth root formal . Gently tamp down the soil . Water deeply after planting and proceed watering until it is established .
Space plants 18 to 24 inches apart .
Marsh Marigold Care Tips
If establish in a localisation that is course moist at all times , marsh marigold is very low - care .
Light
Marsh marigold mature skilful infull sunor part shade . In zone 6 and above this plant likes shade during the good afternoon . security from extreme heat promote the works to continue bloom into summer and keeps the foliation vibrant .
Soil and Water
This wetland plant life needs deep , systematically moist or boggy , full-bodied soil , with apH between 5.0 and 6.0 . Periods of stand water are not a trouble . When implant it inrain gardens , site it near the center of the lowest blot of the plot . The dirt should never dry out ; verify to water as needed .
Temperature and Humidity
Marsh marigold is a very intrepid flora that can be grow in as low as Zone 2 . The ideal temperature ambit during the growing season is 65 to 75 degrees F. At high temperature , the growth is typically slowed down and the bloom is reduced . The plant life does not have any particular humidity requirement .
Fertilizer
Fertilization is ordinarily unnecessary as the works draws sufficient food from the land . Thenitrogen in a fertilizeris even harmful .
Pruning
During the spring up season , remove any dead foliage or stanch to improve the air flow . Other than that , there is no need to lop marsh marigold until the late winter or early bounce when the old leafage should be remove to make way for raw growth .
Potting and Repotting Marsh Marigold
Because of its high wet need , marsh marigold is not suitable to be grown in skunk whose soil dry out out much quicker than garden land .
Pests and Problems
The plant is not prostrate to serious pests and diseases . Powdery mould and rust fungus may occur . The bitter tasting of the parting discourages wildlife , include deer , from eating the plants .
How to Propagate Marsh Marigold
start marsh marigolds from seeds is feasible but it train the plants a few years to touch maturity and set out blooming . divide an subsist plantyields much fast issue . In give , after the foliation emerges but before the bloom , carefully dig up the clump and divide it into smaller section . Replant them immediately at the same depth as the original works and water supply well . on a regular basis water the new plants until they are established .
Types of Marsh Marigold
The most rough-cut marsh marigold in eastern North America is the icteric marsh marigold ( Caltha palustris ) . Another specie is white-hot marsh marigold ( Caltha leptosepala ) , also named westerly marsh marigold , betoken it is native to sphere west of the Mississippi River . It has showy snowy flowers with yellow centers in late spring and summertime .
Marsh Marigold Companion Plants
Hardy Hibiscus
Unlike tropical hibiscus , which is well damaged by frost and inordinate oestrus , sturdy hibiscusthrives in northern clime . It is aboriginal to the marshes , swamps , and riverbanks of the southern and eastern United States . Hardy hibiscus is trusted to impress with its dinner - plate - size of it red ink , pink , or white bloom in previous summer . Zone 4 - 9
Queen of the Prairie
This North American native industrial plant pluck up the flowered show in your garden when spring - blooming perennials peter out . In midsummer , nebular clusters of pink or bloodless blooms lift above the ferny , jagged leaves of thequeen of the prairie . Although the downy flower stem take care delicate , this tall , uncompromising perennial will resist up to breaking wind and a kind of bad dirt conditions . zona 3 - 8
Cardinal Flower
Lobeliadoes well in any emplacement where the grime is systematically damp , such as around pond , flow , and bog gardens . Lobelia cardinalis , or key flower , has upright 3 - infantry stems clothed with 3- to 4 - inch - long , lance - shaped glowering green leaf . smart as a whip red flowers are borne in loose spires . zona 2 - 8
Garden Plan For Marsh Marigold
Easy Slope Garden Plan
fill a hillside with easy - tending plant that aid see to it soil wearing is a winnings - win for your cubic yard . Thisslope garden plancombines tallercottage garden favoriteswith lower - growing plants to fill in the spaces between them . The burden is a lush , bloom - fulfil display that will wait gorgeous from spring into declination . This plan works especially well as a border bed next to a exercise set of steps or an inclined course .
Frequently Asked Questions
No , marsh marigolds are not considered invasive . As native plants , they play an important role in wetland ecosystem . They spread , but not aggressively ,
Marsh marigold is easy to confuse with lesser celandine ( Ficaria verna ) , anon - aboriginal and invasivelook - alike . One way of pick out them is to look at the flowers . Most marsh marigold have only 5 petal - like sepals , whereas lesser greater celandine has 7 to 12 narrow petals . Marsh marigold flower later in the bounce than lesser celandine .
Updated by Nadia Hassani
" Marsh Marigold . “Cornell Botanic Gardens .
