giant marsh marigold
Also known as: Information to be completed
A herbaceous perennial, up to 60cm high and 90cm wide, spreading by rooting stems across ground or across water. It has rounded green leaves, the basal leaves up to 10cm across, the stem leaves fewer and smaller, and shining, bright golden yellow flowers, up to 5cm across, from early spring to summer
Scientific classification
- Species
- giant marsh marigold (Caltha polypetala)
- Genus
- Caltha
- Family
- Ranunculaceae
- Information to be completed
- Toxicity
- Aquatic · Bogs · Herbaceous Perennial
- Plant type
- 0.5-1 metres
- Height
- 0.5-1 metres
- Spread
- Deciduous
- Foliage
- Clump forming
- Habit
- Spring · Summer · Autumn
- Season of interest
- Full sun
- Sunlight
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- Ideal temperature
giant marsh marigold pictures
Distribution of giant marsh marigold
Distribution map
Temp Northern Hemisphere
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Culture
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Toxicity
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Quick identification of giant marsh marigold
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giant marsh marigold care guide
- Keep soil consistently moist to wet, never allowing roots to dry
- Watering
- Full sun
- Sunlight
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- Ideal temperature
Watering
Keep soil consistently moist to wet, never allowing roots to dry
Fertilizing
FertilizingLight balanced feed in spring and early summer growth
Pruning
PruningNo pruning required, though the stems may be cut back after flowering
Propagation
PropagationPropagate by seed, sown fresh in late summer in a cold frame, making sure that the compost does not dry out, or by division in spring
Growing
GrowingPlant from spring to autumn in full sun, in deep, rich organic soil, at the water's edge or in shallow water up to 15cm deep; mulch annually to conserve moisture
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Common pests and diseases
Diseases
May be affected by powdery mildews and rust diseases
Pests
Generally pest-free
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