Giant Marsh Marigold | Caltha palustris polypetala
Masses of giant buttercups
Grown by Caroline
Enfield
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Plant diary
- Flower
- Harvest
Giant Marsh Marigold
Caltha palustris polypetala
- Giant (or Great) Marsh Marigold delivers masses of giant buttercups from March to May. The flowers are up to 5cm across, carried on upright stems
- Pest free, no pruning required
- A strong growing perennial plant with rounded, deep green foliage
- With up to 40 showy stamens in the centre, this variety is highly attractive to bees and butterflies
- An ideal addition to wildflower gardens, pond edges and woodland planting schemes
- Will often produce a second flowering in the autumn
What to expect
Supplied as
Eventual height
Eventual spread
Flower colour
Habit
Hardiness
Spacing
Will this grow in my garden?
Can I grow this in a pot?
Yes, the Giant Marsh Marigold is well-suited to being grown in a pot, provided it is kept in consistently moist or waterlogged soil.
How big does it get?
The Giant Marsh Marigold can reach a height of 60-90 cm with a spread of 60-90 cm.
How much sunlight does this need?
The Giant Marsh Marigold thrives in full sun to partial shade.
What kind of soil does this plant prefer?
Giant Marsh Marigold thrives in heavy, consistently moist or waterlogged soil, particularly at the edge of a pond.
How much watering does this plant need?
The Giant Marsh Marigold requires generous watering to maintain consistently moist or waterlogged soil conditions.
Will this plant need pruning?
The Giant Marsh Marigold should be cut back to about 5 cm above the soil level in late autumn before temperatures drop below 5°C.
How hardy is this plant?
Caltha palustris polypetala is fully hardy (H7), withstanding temperatures below -20°C even in the coldest Scottish glens.
The wider garden
Enfield
Meet Caroline
A deep dive into sustainable gardening
Nestled amongst wildlife meadows and resident ducks, Caroline’s award winning pond plant nursery in Enfield has been making a splash since 1965, when they invented the (recycled, obvs) aquatic basket. Sixty years and multiple RHS gold medals later, they’re still surprising us with new varieties every year!
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