![pennywort indoor plant Pennywort [Hydrocotyle sp] – PlantedPro](http://plantedpro.com/cdn/shop/files/ChatGPT_Image_Apr_17_2025_04_15_40_PM.png?v=1744885043)
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Description
pennywort indoor plant Pennywort [Hydrocotyle sp] – PlantedProPennywort Hydrocotyle verticillata The coin leaf plant that works beautifully above and below the waterline Pennywort is one of the most distinctive aquatic plants available its perfectly round, coin shaped leaves make it an instant focal point in any aquascape. Unlike most stem plants, it grows equally well fully submerged or emergent above the water surface, making it a rare dual purpose plant that fits tanks, terrariums, and indoor water gardens
Pennywort — Hydrocotyle verticillata
The coin-leaf plant that works beautifully above and below the waterline
Pennywort is one of the most distinctive aquatic plants available — its perfectly round, coin-shaped leaves make it an instant focal point in any aquascape. Unlike most stem plants, it grows equally well fully submerged or emergent above the water surface, making it a rare dual-purpose plant that fits tanks, terrariums, and indoor water gardens alike. Spreads naturally through runners for effortless, organic coverage.
Aquascaping tip: Let runners spread naturally along the substrate for a low carpet effect in the foreground, or allow stems to grow toward the surface for a mid-ground accent. Works beautifully alongside fine-leafed plants like foxtail or hornwort for contrast.
At a glance
| Light | Medium–high |
| Max size | 4"+ inches |
| Placement | Fore–midground |
| CO₂ | Medium (optional) |
| Growth rate | Medium |
| Color | Bright green |
Two ways to grow
1. Fully submerged in aquariums
2. Emergent in terrariums or pond setups
Most aquatic plants are strictly one or the other. Pennywort thrives in both — use it in a planted tank as a foreground or midground accent, or let it grow above the waterline in a paludarium, indoor water garden, or outdoor tub pond. The same bundle works for either setup.
Care tips
| Difficulty | Easy — suitable for most hobbyists |
| Fertilizer | Weekly liquid fertilizer recommended |
| Substrate | Nutrient-rich substrate preferred |
| Propagation | Spreads via runners — no trimming needed to multiply |
| Safe for | Fish, shrimp, and invertebrates |
| Ships as | Bundle of rooted runners, 1–4 inches |
Customer questions answered
(Q) Do I need CO₂ injection to grow this successfully?
= CO₂ is optional, not required. Pennywort grows at a medium pace without it under medium to high lighting. Adding CO₂ will accelerate growth and keep leaves a brighter, richer green — but most hobbyists grow it successfully in standard low-tech setups. A weekly liquid fertilizer is the more impactful upgrade if you want to improve results without CO₂ equipment.
(Q) Can I really grow this outside the water, and how does that work?
= Yes — Pennywort is a true amphibious plant. When grown emergent (above the waterline), it produces slightly larger, more upright leaves and often grows more vigorously than when fully submerged. You can place it in a paludarium, a shallow water dish, or an outdoor pond or tub garden with its roots wet. It's the same plant shipped to you — no special emergent variety needed.
(Q) How does it spread, and will it take over my tank?
= Pennywort spreads through horizontal runners along the substrate — new plantlets emerge naturally a few inches from the parent stem. Growth is medium-paced, so it fills in gradually rather than explosively. You can let runners spread freely for a natural carpet effect, or trim and redirect them to keep it contained. It will not aggressively crowd out neighboring plants the way fast stem plants sometimes do.
What's included: 1 bundle of Pennywort (Hydrocotyle verticillata), 1–4 inches, ready to plant in substrate or place in an emergent setup upon arrival.
Ships within 10–15 business days ·
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4.7 ★★★★★
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Product Reviews
★★★★★ 2
Good for a laugh at least and a messy kitchen
Color: black
While design, quality, and ease of cleaning are great!! These are not for highly food motivated dogs and puppies.
My senior dog (100lbs) took a couple licks, he immediately proceeded to pick it up as one unit and carry it to his bed where immediately tore it apart to get to the good stuff. ~ I will say that it is durable and did not fall apart as he carried it.
My 7mo old puppy (60lbs) was intrigued and quickly impatient and was able to flip it over and while this only made a little pumpkiny mess, what he did next was hysterical! He picked it up on the edge and threw up in the air and the mess surprised even him but only for a moment. He promptly did it again and on the third time he was able to break the top loose from the bottom and quickly cleaned up the toy and the mess on my kitchen floor and cupboards.
Fair warning for those with energetically food motivated labs!! These have since been donated to local shelter with the same warning.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Great for dogs
Color: blue
My dog is obsessed with this! I put plain yogurt thinned with homemade broth in it and he’s entertained for a good 15 minutes, as well as being fairly calm afterward.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Great bowl, would love this in a larger size
Color: blue
This is a great way to treat your dog! I filled it with a bit of plain yogurt drink diluted with water, and my dog absolutely loved it. It only took him about 3-5 minutes to finish it, but he’s about 60lbs, so maybe a bigger size bowl would be better for him. Max capacity of this one is 190 ml. You do have to monitor your dog with this bowl - mine tried to dismantle the bowl when it was empty, trying to get more out of it. Overall I think it’s a fun way to get your dog to drink a little bit more with diluted yogurt, broth, etc.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
My dog loves it!
Color: black
Kudos to whomever created this! I have a super attached (med) dog that follows me from room to room alllll day. The first time I put this down he went right for it and didn’t even notice i had left the deck. He is very food driven. I used bone broth and pumpkin puree, which was a hit but once I used the apple sauce… HUGE hit. My only complaint is that it doesn’t come in an XL size. My dog can empty it in under 3 minutes..so he doesn’t get relaxed or sleepy! it does splash out a bit from the top so I use it on his food mat or outside..my sister can’t stand the noise the ball makes. I wasn’t diluting enough so the ball doesn’t move smoothly in the video, but it really does work! The cover is very well made and sturdy. I didn’t notice it sliding around at all. My dog also did not try to get the ball out (loves to tear apart toys) or tip it over, but I could see that happening. I wouldn’t use unsupervised unless you have a small dog.
Please make a larger size!!!!
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Reviewed in the United States on April 3, 2026
★★★★★ 3
Works but the bowl is wacky
Color: blue, Color: blue
This slow feeder is actually a very good idea and my dog likes it. I blend plain, unsweetened yogurt with a little powdered pumpkin & apple pectin and thin it down with water so the roller ball can easily rotate. It's sturdy and it doesn't slip on the floor, which is good. However, I give it only three stars because the bowl inside is a ridiculous design. Instead of the inside surface being a gently sloping, smooth surface, the "legs" underneath protrude up through the inside (see photo). It makes stirring and cleanup much more difficult than it needs to be. Presumably, it's made using injection molding so it should be easy to design it with a smooth finish.
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Reviewed in the United States on March 19, 2026