Ceratophyllum demersum

Hornwort Hornwort Hornwort Hornwort

Found in ponds, marshes, and quiet streams. Used for their appearance and their high oxygen production.

Growing & Maintenance Tips:

Hornwort should be submerged to the bottom of the pond for best growing conditions. It is usually sold in clumps. Needs to be weighted down to sink to the bottom of the pond.

Hornwort is sometimes eaten by hungry goldfish and Koi.

Flower Color

Foliage Color


Plant Spread

30-60 in.

Plant Height

12-24 in.

Hardness Zone


Good Companions

Characteristics & Attributes


= Foliage Interest
= Naturalizing
= Bog or Water Garden

Bloom Time

Critter Resistance


Full Sun

Growth Rate


Seasonal Interests

Upcoming Sales & Events

Join Our E-Newsletter

Sign up for Our Email Newsletter
Be informed of exclusive sales, discounts, promotions, and educational workshops and seminars. Plus, receive select discounts ONLY eligible to email recipients.
It's FREE! It's SAFE! ...and you can unsubscribe at anytime.

Join Our Text Club!

Join Our Text Club!

Gift Cards

Gift Cards

For your convenience, you can purchase K&K Garden Gift Cards online!

Cards arrive in a garden decor' gift box, and are ready to be gifted. Our Gift Cards can be purchased for any amount, arrive within 2-3 days of purchase, and never expire.  K&K Gift Cards are always appreciated by the special person in your life!

We pay you to shop with us!

We pay you to shop with us!

Get paid for shopping at K&K Gardens!  For every $50.00 you spend, receive $5 in K&K Greenbacks.

This incredible loyalty program is simple.  We keep track of your purchases during April through August.  This total is divided by $50, and we pay you $5 for every $50 you spent in the form of K&K Greenbacks.

K&K Greenbacks will be sent to you the first week in September, and can only be redeemed during the month of September.

Greenbacks CAN be used in addition, or with advertised sales, discounts, or promotions; allowing you an even greater discount on your total purchase.