Aquarium Plants for Beginners: The 10 Most Forgiving Species

By Sarah Bennett, Certified Animal Nutritionist

Why Live Plants Belong in Your Aquarium

The aquarium hobby went through decades where plastic plants were the norm. Today, the evidence is clear: live plants provide benefits that no artificial decoration can replicate. They absorb ammonia, nitrite, and nitrate — the same toxic compounds that accumulate in aquarium water. They produce oxygen during photosynthesis, improving water oxygenation. They outcompete algae for nutrients, preventing or reducing algae outbreaks. They provide hiding spots that reduce stress in fish, which in turn improves immune function and coloration.

For bettas specifically, floating plants and surface cover mimic their natural rice paddy habitat. For fry and shrimp, dense plant growth provides essential refuge. For community tanks, plants create the visual breaks that allow more timid species to thrive alongside more dominant ones.

The species below require no special equipment — just standard LED aquarium lighting (8–10 hours daily), dechlorinated tap water, and basic liquid fertilizer if you want faster growth.

1. Java Fern (Microsorum pteropus)

Java fern is arguably the most beginner-friendly aquarium plant in existence. It grows slowly, tolerates low to medium light, thrives in a wide temperature range (64–82°F / 18–28°C), and accepts almost any water chemistry from soft acidic to hard alkaline. Its thick, leathery leaves are resistant to plant-eating fish. It does not require substrate planting — attach it to driftwood or rock with fishing line or glue (cyanoacrylate/super glue gel is aquarium-safe), as burying the rhizome in substrate will cause it to rot. New plantlets grow from the edges of mature leaves.

2. Anubias (Anubias barteri and varieties)

Anubias is another rhizome plant that attaches to hardscape rather than substrate. It grows extremely slowly — which is actually an advantage for beginners because it requires very little pruning. It tolerates low light better than almost any other plant and is one of the few plants that can grow well under the most basic aquarium LED strips. Its broad, dark green leaves are very hardy and resist browsing by plant-eating fish. Like java fern, attach anubias to wood or rock — never bury the rhizome. Water temperature: 72–82°F; pH: 6.0–7.5. SeriouslyFish has a detailed Anubias species profile covering all major varieties.

3. Java Moss (Taxiphyllum barbieri)

Java moss is an incredibly versatile, nearly indestructible aquarium moss. It can be tied to wood, rock, or mesh to create moss walls or carpets; it can float freely; or it can simply be left loose in the tank. It grows in almost any light level and temperature from 59–82°F (15–28°C). In a breeding tank, java moss is invaluable — shrimp larvae and fish fry hide in its dense structure, and infusoria (microscopic organisms) colonize it as a first food. It absorbs nutrients actively and helps control algae. Trim with scissors to maintain shape; trimmings can be replanted or given away.

4. Hornwort (Ceratophyllum demersum)

Hornwort is a fast-growing stem plant that can be planted in substrate or left floating. It grows so vigorously that it actively strips ammonia, nitrate, and phosphate from the water — making it one of the best plants for high-bioload tanks like goldfish setups. It tolerates a huge range of conditions: temperature 59–86°F (15–30°C), pH 6.0–7.5, soft to hard water. One caveat: it sheds its fine, needle-like leaves when it's adjusting to a new environment or light level, which can clog filters. This usually stabilizes within 2 weeks. Grows 5+ inches per week under good light.

5. Amazon Sword (Echinodorus bleheri)

The Amazon sword is a classic mid-to-background plant for larger tanks (30 gallons and up). It develops an extensive root system and prefers nutrient-rich substrate, making it a good choice if you have root tab fertilizers. Under adequate light (medium to high), it produces broad, lance-shaped leaves that can reach 16–20 inches. It's an excellent spawning site for cichlids and a landmark plant for South American biotope tanks. Temperature: 72–82°F; pH 6.5–7.5. Note: this plant can grow large enough to dominate a small tank; better suited to 20 gallons and above.

6. Water Wisteria (Hygrophila difformis)

Water wisteria is a fast-growing stem plant with distinctive, lacy leaves that vary in shape depending on light levels (more dissected in high light, simpler in low light). It's a nitrogen-hungry plant that actively strips excess nutrients, making it very useful in new or heavily stocked tanks. It grows in medium light without CO2 and propagates easily — just cut a stem and replant it. Temperature: 74–82°F; pH 6.5–7.5. It can also be left floating to shade the tank and provide surface cover for bettas.

7. Cryptocoryne (Cryptocoryne wendtii and others)

Cryptocorynes (or "crypts") are rosette plants that grow from a central point and develop substantial root systems. They're excellent for the foreground or midground of a tank. They tolerate low light extremely well and don't require CO2 or special substrate, though they appreciate root tabs. Warning: "crypt melt" is common when crypts are moved — they may lose most or all of their leaves when placed in a new tank. This is normal. Leave the roots in place; new leaves will grow back within 3–4 weeks. Temperature: 72–82°F; pH 6.0–8.0. Very adaptable to a wide range of water chemistry.

8. Frogbit (Limnobium laevigatum)

Frogbit is a floating plant with round, lily pad-like leaves that float at the surface and long roots that dangle into the water. It provides excellent surface cover for bettas and labyrinth fish, diffuses intense light for plants below, absorbs nutrients directly from the water column, and provides spawning sites for bubble-nesters. It requires no planting — simply place it on the surface. It grows rapidly in good light. One consideration: in a covered tank, frogbit can spread to cover the entire surface, blocking too much light; thin it regularly. Temperature: 64–84°F; pH 6.0–7.5.

9. Dwarf Sagittaria (Sagittaria subulata)

Dwarf sagittaria is one of the easiest foreground/carpeting plants for beginners. Unlike most carpeting plants that require CO2 and high light, dwarf sagittaria spreads via runners in medium or even low light, creating a grass-like carpet over time. It's excellent for nano tanks and betta tanks, where it provides naturalistic ground cover without overwhelming the space. Temperature: 72–82°F; pH 6.0–7.5. Plant individual shoots 1–2 inches apart and allow runners to fill in over 4–8 weeks.

10. Guppy Grass (Najas guadalupensis)

Guppy grass is an extremely fast-growing, fine-leaved stem plant that can be planted or left floating. Its dense, branching structure makes it one of the best breeding plants available — fry and shrimp find perfect refuge in its tangle of stems. It's remarkably hardy, tolerating temperature ranges from 50–86°F and a wide pH range. Its rapid growth rate means it consumes nutrients aggressively, helping maintain water quality. Trim regularly as it can become very dense. Fishkeeping World's guppy grass guide covers planting and maintenance in detail.

Basic Fertilization for Planted Tanks

Low-tech planted tanks with the species above often do fine without added fertilizer in an established, stocked aquarium — fish waste provides nutrients. However, if your plants show yellowing leaves or slow growth, a weekly dose of a balanced liquid fertilizer (look for one containing iron, potassium, and trace elements) will help. Root feeders like Amazon sword and crypts also benefit from root tab fertilizers placed near their roots every 3–4 months.