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Giant Marsh Marigold in the GardenTags plant encyclopedia

Caltha polypetala

 

Giant Marsh Marigold

Water buttercups are clump-forming, and have glossy, deep-green heart-shaped leaves and bright yellow or white cup-shaped flowers in Spring. As their name implies, they like boggy ground. 'Giant Marsh Marigold' bears single bright yellow flowers up to 5cms. in dia. above a mound of green foliage

Contributed by @valjones-hughes

 
plant Features
  • Giant Marsh Marigold likes full sun

    Full sun

  • Giant Marsh Marigold likes frequent watering

    Frequent watering

  • Giant Marsh Marigold is full frost hardy: 5f (-15°c)

    Full Frost Hardy: 5F (-15°C)

  • Giant Marsh Marigold likes moist and rich

    Moist and rich

 
plant information

Common name

Giant Marsh Marigold

Latin name

Caltha polypetala

type

Rhizomatous perennial

family

Ranunculaceae

ph

5.0 - 8.5 Acid - Neutral

  • Light

    Giant Marsh Marigold likes full sun

    Full sun

  • Frost

    Giant Marsh Marigold is full frost hardy: 5f (-15°c)

    Full Frost Hardy: 5F (-15°C)

  • Soil

    Giant Marsh Marigold likes moist and rich

    Moist and rich

  • Water

    Giant Marsh Marigold likes frequent watering

    Frequent watering

Plant & bloom calendar

  •  
    Best time to plant
  •  
    When the plant will bloom

full grown dimensions

The size of a fully grown Giant Marsh Marigold is 0.90meters x 0.60meters 0.90 M 0.60 M

Caltha polypetala

Water buttercups are clump-forming, and have glossy, deep-green heart-shaped leaves and bright yellow or white cup-shaped flowers in Spring. As their name implies, they like boggy ground. 'Giant Marsh Marigold' bears single bright yellow flowers up to 5cms. in dia. above a mound of green foliage


Flowering Season

From Late Spring TO Mid Summer

Waxy golden yellow flowers in spring

 

Planting Outdoors

From Early Spring TO Mid Spring

Plant container grown plants in a sunny position early to mid-spring.

 

Propagation by seed

From Mid Spring TO Late Spring

Seeds can be sown on moist compost in mid to late spring under glass.

 
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Gardeners who are growing this plant