A lush planted tank is the heart of any aquascape, but Singapore’s warm, year-round climate changes which plants actually thrive. The good news is that many of the hardiest, most forgiving aquarium plants happen to love our tropical conditions, and most are sold cheaply at local fish shops (LFS). This guide covers the best aquarium plants for Singapore tanks, focusing on easy, mostly low-tech species, with notes on light, CO2, how to attach plants to hardscape, and why they suit warm water so well.
Key takeaways
- Anubias, Java fern and Bucephalandra are near bulletproof, grow without CO2, and are widely available locally, often grown right here in the region.
- Crypts, Vallisneria and Amazon sword are reliable rooted plants for substrate, while Java moss and floating plants fill out a tank fast.
- Most of these species tolerate our warm 26 to 30 degree water far better than fussy high-tech carpeting plants.
- Carpeting plants like dwarf hairgrass usually need CO2 and strong light to do well, so leave them for later builds.
- Always dechlorinate PUB tap water before adding it, as chlorine and chloramine harm plants and beneficial bacteria.
Why these plants suit warm tropical tanks
Most popular aquarium plants are tropical species to begin with, so Singapore’s stable warmth is closer to their natural home than a temperate climate ever is. Our tanks tend to sit between 26 and 30 degrees Celsius without a heater, which is squarely in the comfort zone for the plants below. The trade-off is that warm water holds less dissolved oxygen and can speed up algae, so good flow and sensible lighting matter more than raw heat.
The species worth starting with are the ones that forgive beginner mistakes, grow without pressurised CO2, and shrug off the odd swing in water parameters. That points you towards slow-growing rhizome plants, hardy rooted crypts and easygoing mosses and floaters rather than demanding carpets. If you are completely new, pair this with our beginner aquascaping guide before you buy anything.
The best low-tech aquarium plants for Singapore
The table below sums up the easiest, most available species and their needs. None of the low-tech picks strictly require CO2, though all plants grow faster with it. Light needs are relative: “low” means a basic LED will do, while “high” means you will want a stronger planted-tank light.
| Plant | Difficulty | Light | CO2 |
|---|---|---|---|
| Anubias (nana, barteri) | Very easy | Low | Not needed |
| Java fern | Very easy | Low | Not needed |
| Bucephalandra | Easy | Low to medium | Optional |
| Cryptocoryne (wendtii, lutea) | Easy | Low to medium | Optional |
| Vallisneria | Easy | Medium | Optional |
| Amazon sword | Easy | Medium | Optional (root tabs help) |
| Java moss | Very easy | Low to medium | Not needed |
| Floating plants (frogbit, salvinia) | Very easy | Low to high | Not needed |
| Dwarf hairgrass / carpets | Moderate to hard | High | Recommended |
Anubias, Java fern and Bucephalandra: the bulletproof three
If you only ever keep three types of plant, make them these. All three are rhizome plants, meaning they grow from a horizontal stem and must not be buried in the substrate, or the rhizome rots. Instead, you attach them to hardscape, which makes them perfect for aquascaping with rock and driftwood.
Anubias has thick, dark leathery leaves that algae struggle to overrun and fish refuse to eat. Anubias nana and nana petite are ideal for smaller tanks. Java fern grows tall, textured fronds and spreads readily, tolerating almost any water. Bucephalandra is the prettiest of the three, with compact leaves that shimmer blue or purple under light, and it is often grown locally in the region, so fresh, healthy plants are easy to find at the LFS at fair prices.
To attach them, tie the rhizome to wood or rock with cotton thread or fishing line, or dab on a small amount of cyanoacrylate (super) gel glue. Within a few weeks the roots grip the surface on their own and you can remove any thread. Keep light modest, because these slow growers do not need much, and strong light just feeds algae on their leaves.
Crypts, Vallisneria and Amazon sword for the substrate
For plants rooted in the substrate, Cryptocoryne is the Singapore beginner’s best friend. Crypt wendtii and lutea come in green, brown and reddish forms, stay compact enough for mid-ground planting, and ask for very little. Their one quirk is “crypt melt”, where leaves dissolve after a move or parameter change; do not panic and do not rip them out, as new growth follows from the healthy roots.
Vallisneria sends up tall, grassy ribbons that sway in the current, making a superb background plant and a natural privacy screen for shy fish. It spreads by runners and can fill a back wall quickly, so give it room. Amazon sword is a larger rosette plant for a bold centrepiece; it is a heavy root feeder, so push a root tab into the substrate near its base every couple of months to keep the big leaves green.
All three appreciate a nutrient-rich substrate or root tabs, but none demand CO2 to look good. For a full step-by-step on substrate, layout and planting order, see our planted aquarium setup guide.
Java moss and floating plants to fill out the tank
Java moss is the workhorse moss of the hobby: tie or glue it to wood and rock and it grows into soft green cushions with no special care. It is brilliant for softening hard edges, creating a natural carpet on slopes, and giving shrimp fry and baby fish a place to hide. Trim it now and then to keep it tidy, as it can grow shaggy in our warm water.
Floating plants such as Amazon frogbit, red root floaters and salvinia drift on the surface and serve a real purpose beyond looks. They soak up excess nutrients that would otherwise feed algae, dim the light for shade-loving plants below, and provide cover that makes fish like bettas feel secure. The catch is they grow fast, so scoop out the excess weekly and keep them clear of the filter intake and surface agitation.
Carpeting plants and when you need CO2
The manicured green carpets you see in competition aquascapes, such as dwarf hairgrass, Monte Carlo and dwarf baby tears, are where the low-tech approach hits its limit. These foreground plants generally need strong light and pressurised CO2 to grow dense and low instead of stretching upwards and melting. In our warm tanks, attempting them without CO2 usually ends in patchy growth and an algae outbreak.
There is no shame in skipping carpets on a first tank. A natural, low-tech aquascape built from Anubias, crypts, moss and a vallisneria background looks stunning and stays healthy with far less fuss. If you later add a CO2 system and a good light, you can experiment with carpeting plants then, by which point you will understand your tank’s quirks. Keep in mind that strong light plus warmth without enough CO2 and nutrients is the classic recipe for algae here, so scale all three together.
Buying and acclimatising plants locally
Singapore’s local fish shops carry a strong range of the plants above, often grown within the region, which means they arrive already adapted to tropical conditions. Inspect plants before buying: look for firm, undamaged leaves and avoid anything yellowing, mushy or covered in algae. Many plants are sold emersed (grown out of water) in pots or on mats, so expect some older leaves to melt as they convert to underwater growth, with fresh leaves replacing them.
Before planting, rinse plants gently and remove any rockwool from potted ones. A quick dip and quarantine helps avoid hitchhiking pest snails or algae. And whenever you top up or change water, always treat PUB tap water with a dechlorinator first, because the chlorine and chloramine used to keep our drinking water safe will damage delicate plant tissue and the beneficial bacteria your tank relies on.
Many of these species have outdoor cousins too. If you are planning a garden water feature rather than an indoor tank, see our guide to the best pond plants for Singapore gardens. Readers who want a full outdoor pond built can also see our Singapore pond and water feature service.
Frequently asked questions
What are the easiest aquarium plants for beginners in Singapore?
Anubias, Java fern and Java moss are the most forgiving, as they grow without CO2, tolerate low light and our warm water, and attach to hardscape so you cannot plant them wrongly. Cryptocoryne is the easiest rooted plant for the substrate.
Do I need CO2 for a planted tank in Singapore?
No, not for the plants in this guide. Anubias, Java fern, Bucephalandra, crypts, Vallisneria, Amazon sword, moss and floaters all grow well without CO2. You only really need pressurised CO2 for demanding carpeting plants like dwarf hairgrass and dwarf baby tears.
Can I plant Anubias and Java fern in the substrate?
No. These are rhizome plants and burying the rhizome causes it to rot. Instead, attach them to driftwood or rock using thread or a small dab of gel super glue, and their roots will grip the surface within a few weeks.
Why are my new aquarium plant leaves melting?
This is normal, especially with Cryptocoryne and emersed-grown plants. Leaves grown out of water die back as the plant adjusts to submerged life, and new underwater leaves replace them. Leave the roots in place and be patient.
Is it safe to use Singapore tap water for a planted tank?
Yes, once treated. PUB tap water contains chlorine and chloramine which harm plants and beneficial bacteria, so always add a dechlorinator (water conditioner) when filling or doing water changes. After that, our tap water suits most common aquarium plants well.