Caltha palustris var. palustris (Marginal Aquatic)Marsh Marigold, King Cup

Hardy Perennial

What is Hardy Perennial?
A plant that lives for more than two years.
Capable of withstanding outdoor winter temperatures down to -15C.

Fulfilled and sold by Thompson & Morgan

Want to get notified when back in stock?

Please note: This product cannot be delivered outside the United Kingdom.

Height Up to 60cm (23.6in)
Spread Up to 60cm (23.6in)

Hardy Perennial

water garden

Sun or semi shade

Flowering Months

You May Also Like

This colourful British native is one of the first to bloom in spring, brightening up ponds and water gardens with its bright yellow flowers. The Marsh Marigold forms an attractive clump of glossy kidney-shaped foliage that makes a handsome backdrop for its blooms. This hardy perennial is always popular with insects as a rich source of nectar. Perfect for growing in boggy soil or the shallow margins of ponds and streams.Height: 60cm (24"). Spread: 60cm (24"). Planting depth: Zones 1 & 2 to 15cm below water level.

Plant height and spread is seasonal therefore we list by pot size rather than a defined plant size. The height and spread of the plant delivered will vary depending on the season, meaning arrival images are an indication only.

3 x 9cm potted caltha plants (78108)
1 x 9cm potted caltha plant (78107)
1 x 3 litre potted caltha plant (78106)
3 x 1 litre potted caltha plants (78030)
1 x 1 litre potted caltha plant (78029)

How to Grow
Grow Caltha plants in fertile, boggy soil at the edge of ponds and streams or submerged in water to a maximum depth of 15cm (6"). Marsh Marigolds thrive in sun or semi-shade.
More Info
After flowering, the foliage of Marsh Marigolds tends to die back. Remove the old leaves to maintain a tidy appearance and encourage a second flush of flowers. Lift and divide overcrowded clumps of Caltha in spring.

Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £2.99.

Orders which include any other products will incur a delivery charge of £4.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.99 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.

Thompson & Morgan strives to ensure that all its plants are delivered to you in the perfect condition for planting. Sadly, the time it takes to deliver to certain locations in the UK means that we can't guarantee this, so regretfully we are unable to ship live plants to the following areas: HS, IV41-IV49, IV51, IV55-56, KW15-KW17, PA34, PA41-48, PA60-PA78, PA80, PH40-PH44, TR21-TR24, ZE1-ZE3

Sign Up For Exclusive Special Offers


Sign up for exclusive offers!