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Oenanthe aquatica (Marginal Aquatic)Fine-leaved Water-dropwort, Water Fennel

Hardy Perennial

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

FROM £12.99

Dainty umbels of white flowers

Attractive feathery foliage

UK native good for enhancing biodiversity

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Height Up to 1.5m (4.9ft)
Spread Up to 1m (3.2ft)

Hardy Perennial

water gardenwildlife gardens

sun or semi shade

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Description

Oenanthe aquatica, commonly known as fine-leaved water-dropwort or water fennel, is a UK native that thrives in shallow, still or slow-moving waters such as ponds, ditches, and marshes. This herbaceous biennial to perennial species features hollow stems that can reach up to 1.5 metres in height. Its finely divided, feathery foliage provides a delicate, fern-like appearance, adding texture and interest to aquatic landscapes. From June to September, it produces small white flowers arranged in compound umbels, attracting a variety of pollinators. It enhances biodiversity and offers shelter for aquatic wildlife, making it Ideal for wildlife gardens and naturalistic water features.

Please note that all parts of the plant are highly toxic if ingested.

Water depth: 0-15cm. Ultimate height: 1-1.5m (3.2ft- 4.9ft). Ultimate spread: 50cm to 1m (20in to 3.2ft).

Show Codes

1 x 9cm Peat-Free Potted Plant (KH4691)

3 x 9cm Peat-Free Potted Plants (KH4693)

2 x 9cm Peat-Free Potted Plants (KH4692)

How to Grow
Grow Oenanthe in moist, boggy soils or fully submerged in ponds to a maximum depth of up to 15cm below water level. Choose a position in sun or semi shade.

For more information and guidance check out our Gardening Guides.

More Info
Oenanthe needs little maintenance and will look after itself once established. Cut back any excess growth as and when necessary during the growing season.
Delivery

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 £6.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £7.99 will apply - regardless of the number of items ordered.

Large Non-standard items may incur a higher, lorry delivery charge. Charges will be calculated at checkout, but an example of the lorry charges are listed below.

  • Red - £9.99.
  • Purple - £2.99.

For more information please visit our delivery charges information page by clicking here.

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

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