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Expertly Grown in the UK
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Happy, Healthy Plants Guaranteed
Expertly Grown in the UK
Carefully Hand Delivered

Oxygenating Hornwort Plant | Ceratophyllum demersum

Keeps your pond healthy

Grown by Caroline

Enfield

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Hornwort Plant | Oxygenating Pond Plants
Hornwort Plant | Oxygenating Pond Plants

£18

In stock

Perfectly happy plants, or your money back

Specialist overnight plant delivery

The highlights

  • Zone 3 - Deep Water
  • Grows well in full sun, partial or full shade
  • Excellent algae control
  • A free floating native plant for oxygenating ponds and lakes

Description

  • A native oxygenating plant with dark green whorled leaves on stems up to 3m long
  • The foliage resembles little horns, hence the common name Hornwort. The plant's latin name comes from the Green 'ceratos' meaning horn
  • This submerged aquatic perennial can grow to great depths, making it ideal for large ponds and lakes
  • Free floating, but weighting can help secure the plant in the desired location
  • Helps to keep your pond healthy

What To Expect

Supplied as:

Bunches

Height on arrival:

Eventual height:

Up to 10cm

Eventual spread:

1-1.5m
Spreads to between 1-1.5m within 2-5 years
1-1.5m
Spreads to between 1-1.5m within 2-5 years

Time to first crop:

Habit:

Submerged
A submerged aquatic perennial which can grow to great depths
Submerged
A submerged aquatic perennial which can grow to great depths

Hardiness:

Fully hardy
Hardy in all areas of the UK, does not require winter protection.
Fully hardy
Hardy in all areas of the UK, does not require winter protection.

Rootstock:

Spacing:

1m
Position plants at least 1m apart to allow for spreading

How To Grow

Pest and disease free

This plant is untroubled by pests and diseases. MORE

Plant in water

Needs a permanently wet soil.

Full sun to full shade

A submerged plant which grows well in all light conditions.

Poorly drained soil

Any permanently moist or waterlogged soil - clay or loam is ideal.

Feeding not required

No need to feed - this plant gets all the nutrients it needs from pond water or soil. ?v=1613300718

Planting Calendar

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  • Best time to plant
  • Harvest
  • Flower

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!

What customers say about us

We do our best to provide you the best experience ever

Growing with Roots

Good to know

Our plants are grown 
in the UK

Specialist UK growers we know and trust grow your plants the traditional way, with organic fertiliser and biological pest control. They pick only the healthiest plants for you, professionally pruning them so that they’ll grow strong and well shaped.

Our plants are delivered overnight

Your plants are sent to you fresh from the field in our plastic free box that’s specially designed to hold them tight, then securely delivered by specialist plant couriers - straight from the grower to your garden within 
24 hours.

We're here to help at every step

We want your plants to have a long and healthy life. Expect easy-to-follow grow guides and videos devised by our team 
of experts.

Perfect plants, guaranteed

We’re confident that you’ll be delighted 
with your new plants. Need help? Alice and her team are here to guarantee you’re 
perfectly happy.

Digging deep to answer your questions

How do I know I'm getting quality plants?

All of our plants are grown in specialist nurseries with the highest standards of plant care and sustainability. We guarantee you'll love them as much as we do! Don't just take our word for it - we've got thousands of great reviews on Trustpilot.

When will I get my plants?

The delivery timescale for each plant is on the web page (near the 'add to basket's button). You'll receive a dispatch email with an exact delivery date once your plants are on their way, so you can get the garden ready.

How will my plants be packed and delivered?

We send all of our orders through a courier network designed to handle plants. Specialist equipment ensures that no plants will be damaged during the packing process and every order is carefully finished and checked by plant-loving humans. Your plants will arrive in the most sustainable packaging possible with minimal to no plastic used.

Where do you deliver?

We deliver to anywhere in Mainland UK for our standard delivery cost. We are able to deliver most plants to Highlands and non UK mainland however this will be at an additional cost. This will be calculated at the checkout. Please note, deliveries to these locations will take longer. Unfortunately, we are not able to deliver to Northern Ireland at present.

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