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Description
pennywort indoor plant care 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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4.5 ★★★★★
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Product Reviews
★★★★★ 5
Absolutely Essential for Any Athlete or Gym-Goer!
Size: Large, Color: (035) Steel / White / Black
I recently purchased the Under Armour Unisex-Adult Training Cotton No Show Socks 6 Pack, and I must say, they've become an indispensable part of my workout gear. Here's why these socks are a game-changer:
Comfort Above All: These socks are incredibly comfortable. Made from a blend of cotton and synthetic fibers, they provide just the right amount of cushioning without feeling bulky. Whether I'm running, lifting weights, or doing yoga, my feet feel supported yet free.
No Show, All Go: True to their name, these socks stay perfectly in place without slipping down into my shoes. This is crucial for maintaining a professional look at the gym or during sports activities. No more embarrassing sock peeks or having to constantly adjust them.
Durability: For the price, these socks hold up remarkably well. I've washed them multiple times, and they haven't lost their shape or elasticity. They've survived the rigors of both my workouts and laundry day.
Breathability: The material mix allows for excellent breathability. My feet stay dry and cool, reducing the chances of blisters or discomfort during long sessions.
Pack Value: Getting six pairs in one go is fantastic. It means I always have a fresh pair ready, which is perfect for someone like me who works out frequently.
Fit for All: These socks fit true to size and are designed to be unisex, making them a versatile choice for anyone looking to upgrade their sock game.
If you're in the market for socks that combine comfort, performance, and style, look no further. Under Armour has nailed it with these no-show socks. They've quickly become a staple in my wardrobe, and I find myself reaching for them over any other sock I own. Highly recommended for anyone serious about their fitness routine or just wanting reliable, high-quality socks.
5 out of 5 stars - These socks are a must-have!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 25, 2024
★★★★★ 5
My Husband’s Favorite Socks
Size: Large, Color: (035) Steel / White / Black
The Under Armour Unisex Training Cotton No Show Socks have become my husband’s absolute favorite socks—and he’s pretty picky about socks.
Comfortable Fit:
They’re soft, comfortable, and fit well without being too tight. They stay in place all day with no slipping or bunching.
Great for Everyday Wear:
Perfect for workouts, walking, and everyday use. They provide just the right amount of cushioning without feeling bulky.
Durable & Long-Lasting:
These hold up really well through regular wear and washing. They keep their shape and don’t wear thin quickly.
Reliable Under Armour Quality:
You can tell they’re well made. Consistent quality that matches what you expect from Under Armour.
Overall Impression:
When someone has a favorite sock and keeps reaching for it, that says everything. These are comfortable, durable, and dependable.
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Reviewed in the United States on December 30, 2025
★★★★★ 5
Quality Under Armour socks
Size: Large, Color: (100) White / White / Black
Nice medium thick sock that is breathable but cushioned. It stays put in the show and doesn’t fall down. Fit is true to size, no show/minimal show
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Perfect Pairs
Size: Large, Color: (100) White / White / Black
Very comfortable, soft & affordable..
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Excellent athletic socks
Size: Large, Color: (100) White / White / Black
Solid athletic socks at a great price. Not too thick, not too thin. Second time I've purchased them. They last longer than most socks I've used in the past too.
Only concern is the sizing. I may be reading the sizing chart wrong, but for my size 13 feet it says XL are the correct sock size. I've ordered Large twice and they're perfect. I would imagine the size Large socks would also fit up to size 14 shoe, but probably need to go with XL if foot is lager than 14.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
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