Caltha palustris 'Flore Pleno' (d)

RHS Plant Profile
marsh marigold 'Flore Pleno'
marsh marigold 'Flore Pleno' Dorling Kindersley 2003
Award of Garden Merit
Bogs Herbaceous Perennial Aquatic

A rhizomatous, marginal aquatic perennial to 30cm, with dark green, rounded leaves and clusters of long-lasting, very double, bright deep yellow flowers in spring

Position

Full sun

Soil Types

Loam

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Loam
Moisture
Poorly–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
East–facing or South–facing
Exposure
Exposed
Hardiness
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Ranunculaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy, Clump forming
Genus
Caltha are rhizomatous herbaceous perennials with simple, usually heart-shaped leaves and cup-shaped yellow or white flowers in early spring
Name Status
Accepted

How to Grow

Cultivation

Grow in an open site in rich boggy soil at the water's edge in full sun. See pond plants and bog gardens for further advice

Propagation

Propagate by division in late summer or early spring

Suggested planting locations and garden types

  • Wildlife gardens
  • Cottage and informal garden

Pruning

Cut back after flowering

Pests

Generally pest-free

Diseases

Powdery mildews may be a problem