Magic Carpet: Ground Cover Plants in an Aquarium

Imagine an underwater landscape in your aquarium, where instead of bare soil, there is a soft, living green carpet. This is not just a decoration, but a whole world that enlivens the bottom of your small pond. Ground cover plants create an amazing backdrop against which all the other inhabitants look particularly expressive.

Growing such a living carpet is an exciting challenge for an aquarist. It requires a little more attention than keeping ordinary plants, but the result is worth it. When the tiny shoots begin to grow and merge into a single canvas, you will have real magic in your home.

These miniature plants are not only pleasing to the eye. They play an important role in the life of the aquarium: they help maintain cleanliness, saturate the water with oxygen, and serve as a shelter for small inhabitants. It is a living foundation that makes your underwater garden truly complete and harmonious.

What are ground cover plants?

These plants got their name from their ability to spread right at the surface of the soil, creating beautiful meadows and carpets. The vast majority of these plants are quite finicky and require three important conditions to be met:

• the height of the aquarium should not exceed 60 cm.

• cO2 supply and fertilizers containing macro- and microelements;

• bright lighting — at least 0.7 watts/liter (no more than 10 hours per day).

There are no special requirements for the composition of the soil, but it must be fine so that the root system can grow well and take hold.

The leaves of ground cover plants are very delicate – even the slightest growth of algae can destroy them, so you need to monitor the microflora very carefully.

The selection of fish when growing ground cover plants should also be approached seriously. There should be no corydoras in the aquarium, i.e., species that dig the soil and actively move around it.

Ground cover plants in aquascaping

Ground cover plants are widely used to fill empty spaces, and they also look very original on rocks and driftwood.

Most often, they are planted in the foreground, but there are other options—for example, transitioning from the foreground to the middle.

Ground cover plants can be alternated with other, taller plants to form glades and bushes.

If you follow the general principles of aquascaping, you can create compositions of any complexity using them.

The most popular ground cover plants

Depending on the characteristics of care, all ground cover plants can be divided into three groups: simple, medium, and complex. Beginner aquascapers are better off starting with the first category, then moving on to more capricious representatives of the ichthyofauna.

Simple ground cover plants

Plants in this category are suitable for beginner aquascapers – they are easy to care for and require only basic rules to be followed.

Glossostigma

• temperature – 20-26°C;
• acidity pH 5-6.8;

• hardness – dH 2-13°;
• light – 0.8-1 W/l.

Glossostigma is considered the queen of aquascaping, as it is most often used for aquariums and paludariums. The leaves are teardrop-shaped and bright green, and the plant blooms with small white flowers.

The plant is undemanding in terms of conditions, but requires fairly bright lighting and a supply of carbon dioxide.

To keep the carpet looking attractive, it needs to be fed (iron is especially important), trimmed regularly, and any unrooted shoots removed.

The substrate should be fine, with smooth edges – coarse sand or fine gravel is best. Use tweezers to plant two leaves at a time.

When water parameters are maintained

glossostigma

it is not too capricious, but it is important to prevent the stems from intertwining and overlapping, otherwise part of the carpet will die.

— Alena Petrovna Strizhkova Aquarist and home aquascaper

Asian bladderwort (Utricularia)

• temperature: 18-24°C.
• acidity: pH 6.3-7.4;

• hardness: dH 2-12°;
• light: 0.6 W/l.

A very unusual plant, which is a predator. In natural conditions, it lives in stagnant or slow-flowing waters of Southeast Asia. Bubblewort will decorate any aquarium – its Asian variety does not float on the surface, but spreads along the bottom, forming a carpet of small leaves.

Bubblewort is not a particularly finicky plant, so it can be recommended for novice aquascapers. The main requirements are a filter (the plant does not tolerate suspended particles) and bright lighting.

The plant must be planted with extreme care due to the fragility of its leaves. The mass brought from the store should be divided into small pieces and placed in the soil with tweezers. After a while, it will begin to grow, forming a carpet of uneven thickness that does not need to be trimmed.

Strizhkova Alena Petrovna

Aquarist and home aquascaper

Despite the fact that

utricularia

it is not too demanding on the conditions of maintenance, most aquascapers say that it needs time to adapt to new conditions. But once it gets used to it, it grows steadily and does not cause any problems.

— Alena Petrovna Strigkova Aquarist and home aquascaper

Sagittaria

• temperature: 15-30°C.
• acidity – any;

• rigidity – any
• light – 0.75 W/l.

One of the most undemanding soil plants, which is a good place to start learning about the art of aquascaping. It can grow both in an aquarium and in a paludarium.

Sagittaria consists of rosettes of succulent, fleshy leaves with veins and reaches 15 cm in height.

It periodically blooms with small inflorescences with white petals and a yellow center.

Despite its unpretentiousness, Sagittaria prefers clean water—small debris settling on the leaves leads to their destruction, and algae will quickly ruin the plantings. Another condition is liquid micro- and macro-fertilizers, which the plant needs in fairly large quantities.

It is best to plant the plant in sand or small pebbles, placing a little peat or clay under the roots to promote rapid growth. As it adapts to new conditions, Sagittaria may shed its leaves, but they will grow back again. The plant requires periodic trimming, otherwise it will fill the entire aquarium.

Strizhkova Alena Petrovna

Aquarist and home aquascaper

Sagittaria is a very unpretentious plant that grows very quickly. To slow down its growth, it is better to grow the plants in light shade.

— Strizhkova Alena Petrovna Aquarist and home aquascaper

Lileopsis

• temperature: 20-26°C.
• acidity – pH 6-8;

• hardness – dH 2-12°;
• light – 1 W/l.

Lileopsis is native to Brazil. The plant has stiff, dark green leaves and spreads across the bottom like a lush carpet. Suitable for keeping in a paludarium. It grows quite slowly, which is considered a valuable advantage – trimming is practically unnecessary, it is enough to remove the spreading arrows with leaves from time to time.

The only strict parameter required for growing Lileopsis is lighting. With a lack of light, it begins to stretch upward and loses its lush green hue. The plant does not require much fertilization or CO2 concentration, but it grows faster with a normal supply of carbon dioxide.

Plant lileopsis in shallow soil in clumps 1-2 cm apart. It grows quite slowly, and yellowing leaves indicate a lack of iron.

Alena Petrovna Strizhkova

Aquarist and home aquascaper

Lileopsis grows quickly and does not require careful maintenance, but sometimes there are problems with its rooting—the roots float in the water. In this case, it is recommended to make a pin from a paper clip and attach the roots to the soil.

— Alena Petrovna Strizhkova Aquarist and home aquascaper

Medium difficulty soil cover

You can move on to growing ground cover plants after gaining some experience, as they require more attention.

Micranthemum “Monte Carlo”

• temperature: 22-28°C
• acidity – pH 6.5-7.5;

• hardness – dH 4-12°;
• light—1 W/l.

A fairly simple but very delicate plant with small light green leaves. It grows quickly and forms a thick carpet, but carbon dioxide and fertiliser are necessary for normal development.

With insufficient lighting, the leaves stretch out, and if the light is too bright, algae appear on them.

The soil should be nutritious, with a high iron content, but if you use too much fertilizer, the plant will turn dark.

For good growth, it is recommended to create a gentle water current in the aquarium, although micranthemum is also suitable for a paludarium.

When planting for the first time, cut off the long roots of the plant and bury the bushes in the soil at a short distance from each other.

Alena Petrovna Strizhkova

Aquarist and home aquascaper

Micranthemum “Monte Carlo”

it does not grow too quickly, but steadily even without carbon dioxide supply. The only problem is that the plant takes a long time (sometimes up to 3 months) to adapt after planting.

— Alena Petrovna Strizhkova Aquarist and home aquascaper

Staurogyne

• temperature – 20-28°C;
• acidity – pH 6.5-8;

• hardness – dH 4-14°;
• light – 0.5-0.7 W/l.

A plant with small bright green leaves and a powerful stem that creeps along the surface of the soil and sends out branches. It can be grown in aquariums of any size and paludariums.

Carbon dioxide and microfertilizer supplements are necessary for normal development. A distinctive feature of Staurogyne is that it forms natural hills, and the plant rarely needs to be trimmed.

When planting, cut off the large stems, divide them into several parts, and plant them at a short distance from each other.

Alena Petrovna Strizhkova

Aquarist and home aquascaper

Sometimes

staurogin

begins to wither for no apparent reason. The problem can be solved by applying root fertilizer or radically replanting the plant.

— Alena Petrovna Strizhkova Aquarist and home aquascaper

Water buttercup (Ranunculus inundatus)

• temperature – 20-29 °C;
• acidity – pH 5.3-7.4;

• hardness – dH 2-24°;
• light – 1 W/l.

A beautiful plant with carved leaves that can bloom with small yellow flowers, growing in any aquarium or paludarium. It can be formed into a carpet or a single bush—to do this, the side shoots are removed from the buttercup.

Normal growth requires carbon dioxide and regular feeding. The recommended substrate is fine sand or fine gravel, 3-5 cm thick, preferably with a nutritious base.

The plant propagates by lateral shoots, which are cut off from the mother plant and planted in the ground at a distance.

Strizhkova Alena Petrovna

Aquarist and home aquascaper

Water buttercup grows well, but in the absence of light or when shaded by other plants, it can stretch, deform, or even die.

— Alena Petrovna Strizhkova Aquarist and home aquascaper

Complex soil-covering plants

The most capricious and difficult to care for soil cover plants – if an aquascaper manages to grow such a plant in an aquarium or paludarium, it can be considered a real victory and a sign of professionalism.

Eleocharis (spikerush) dwarf

• temperature – 24-25°C;
• acidity pH 6-7;

• hardness – dH 15°;
• light – 0.7-1 W/l.

It is a mat consisting of microscopic green shoots. One of the most capricious ground cover plants to care for, it cannot tolerate even a small amount of algae.

The aquarium or paludarium must have an ideal biological balance and ratio of microelements. Nitrogen compounds – nitrates and ammonia – are especially harmful to Eleocharis.

Fine soil is preferable, and it can be spread in a thin layer, as the plant has a weak root system, after which the shoots can be planted.

Alena Petrovna Strizhkova

Aquarist and home aquascaper

Experienced aquascapers do not recommend planting

eleocharis

dwarf when starting a new aquarium – it grows and develops much better in established microflora.

— Alena Petrovna Strizhkova Aquarist and home aquascaper

Pogostemon Helferi

• temperature – 20-30°C;
• acidity pH 6.2-7.4;

• hardness – dH 5-30°;
• light – 0.6-1 W/l.

Helfer's pogostemon bushes resemble small stars of a delicate green hue.

The plant does not tolerate a lack or excess of fertilizers, sudden changes in water parameters, or other stressful situations.

It can be used to form a carpet or planted in separate bushes, preferably in paludariums or aquariums with certain types of inhabitants.

Herbivorous fish and shrimp may eat pogostemon leaves.

The plant is planted in nutritious, silted soil using tweezers, after which it is fertilized, carefully monitoring the water parameters.

Strizhkova Alena Petrovna

Aquarist and home aquascaper

Pogostemon Helfer is a very capricious plant that completely dissolves under unfavorable conditions. The plant dislikes soft water and temperature fluctuations the most.

— Alena Petrovna Strizhkova Aquarist and home aquascaper

Hemanthus Cuba

• temperature – 20-28°C;
• acidity pH 6-8;

• hardness – dH 1-18°;
• light – 1 W/l

One of the smallest ground covers – the diameter of the leaves is only 1-2 mm. It grows slowly and especially needs bright lighting with a wide color range (red is essential).

For normal development, Hemanthus needs frequent feeding and regular trimming.

Additional CO2 supply is preferable, the substrate should be nutritious, with fine and smooth particles so that the plant can take root and not float.

Hemanthus is planted in aquariums or paludariums in bunches with a diameter of 1-2 cm, which then sprout side shoots and expand.

Strizhkova Alena Petrovna

Aquarist and home aquascaper

In practice, the main requirements for growth

chemanthus Cuba

bright lighting, lots of nitrate and iron are required. In addition, there must be water flow in the aquarium so that debris does not settle on the surface of the leaves.

— Alena Petrovna Strizhkova Aquarist and home aquascaper

Ground cover plants in an aquarium are like a living carpet on the bottom: they make the water body more comfortable, suppress algae growth, and improve water quality. These low-growing plants grow densely, creating a green cover that is pleasant to look at. Many of them are unpretentious and suitable even for beginners — it is only important to choose the right light and soil. The main thing is to be patient: they grow slowly, but the result is worth it.

Common problems with ground cover plants

Problem	Cause	Solution
Plants are weak and fragile, but very elongated	Lack of light	Change the lighting interval – at least 10-12 hours
Leaf edges turn yellow and curl	Potassium deficiency	Add potassium
Leaves are yellow or brown, very fragile	Iron deficiency, water is too hard	Check the water hardness, feed the plants with iron
Premature leaf fall	Phosphate deficiency	Use fertilizers containing nitrogen, phosphorus, potassium
The water has turned green, algae has appeared	Excess phosphate	Sift the soil, change the water, limit the use of fertilizers
New leaves become deformed and fall off quickly	Calcium deficiency	Additionally feed the plants with calcium
Brown spots on the leaves	Magnesium deficiency	Use magnesium as a fertilizer
Plants slow down their development, leaves are pale and brittle	Lack of nitrogen	Replenish the nitrogen deficiency
The root system is weak, the roots turn black, the plants do not take root and float.	Poor soil.	The soil should be sifted, and fertilizer should be used if necessary.

As you can see, ground cover plants are the real magicians of the aquarium. They can transform your underwater world, creating an amazing living carpet that is pleasing to the eye and beneficial to the entire ecosystem.

Of course, such a mat will require a little attention and the right conditions from you. But the result is worth it. A green, velvety lawn will become the pride of your aquarium and a favorite place for its inhabitants.

Don't be afraid to start with undemanding species. Watch as the small sprouts gradually turn into a solid green cover. This process is incredibly fascinating and will bring you a lot of creative pleasure.