Stem plants such as Ludwigia repens, Rotala rotundifolia, Cabomba, pearl weed (Hemianthus micranthemoides), Limnophila (ambulia) and Hygrophila are fast-growing background and midground plants that grow from cuttings, absorb nutrients quickly and fill a tank within weeks, but they need stronger light and more regular feeding and trimming than slow plants such as Anubias and Java fern. Some are easy for beginners, such as Hygrophila, Ludwigia repens and Limnophila, while others, such as Cabomba and pearl weed, are more demanding. This guide compares the main stem plants sold in India, explains how to plant and trim them, how to feed them and why they melt, and which fish suit them.
Quick answer: For stem plants, use medium to strong light for 7-8 hours, plant cuttings 3-4 cm deep in small bunches and feed with an all-in-one fertilizer weekly and a root tab every two to three months. Trim the tops every two to three weeks and replant them. Easy choices are Hygrophila, Ludwigia repens and Limnophila (ambulia). Cabomba and pearl weed need stronger light, steady nutrients and often CO2.
Popular stem plants compared
| Plant | Difficulty | Light | CO2 | Growth | Notes |
|---|---|---|---|---|---|
| Hygrophila polysperma and Hygrophila corymbosa | Easy | Low to medium | Not needed | Fast | Hardy; common in Indian tanks; Hygrophila is native to India |
| Ludwigia repens (green and Rubin) | Easy to moderate | Medium to strong | Helpful | Medium to fast | Rubin turns red in strong light |
| Limnophila sessiliflora (ambulia) | Easy | Medium | Helpful | Fast | Fine leaves; native to Indian wetlands |
| Rotala rotundifolia | Moderate | Medium to strong | Recommended | Fast | Orange to red tops in strong light |
| Rotala indica | Moderate | Medium to strong | Helpful | Medium to fast | Finer leaves; native to India |
| Cabomba caroliniana | Moderate to hard | Strong | Recommended | Fast | Feathery leaves; needs nutrients; melts if stressed |
| Pearl weed (Hemianthus micranthemoides) | Moderate to hard | Strong | Recommended | Medium to fast | Delicate; carpets or grows upright |
| Water wisteria (Hygrophila difformis) | Easy | Low to medium | Not needed | Fast | Lobed leaves; see the wisteria guide |
| Bacopa | Easy | Low to medium | Not needed | Medium | Tough fleshy leaves; see the bacopa guide |
For a first stem plant in a low-tech tank, choose Hygrophila, Limnophila, Ludwigia repens, water wisteria or bacopa. Move to Rotala, Cabomba and pearl weed when you have stronger lights, a steady fertilizer routine and ideally CO2. See our water wisteria guide and bacopa guide for two easy stem plants, and our red aquarium plants guide for colourful stems.
Why stem plants are good for Indian aquariums
Stem plants grow from cuttings, so a few bunches can fill a tank and be shared. They absorb nitrate and ammonia quickly, which leaves less food for algae, and they grow well in warm Indian temperatures. Several, including Hygrophila, Limnophila and Rotala indica, are native to Indian wetlands, so they are well suited to local conditions. Because they grow fast, they also show quickly when something is wrong with light or nutrients, which makes them useful teachers for new planted-tank keepers. Compare them with slow plants in our beginner aquarium plants guide and fastest growing aquarium plants article.
Light and CO2
Most stem plants need medium to strong light for 7-8 hours a day. Weak light makes stems stretch and lose their lower leaves, and bright light with low nutrients causes algae. See our planted aquarium lighting guide and how many hours to run an aquarium light. A light such as the Sobo AL-480 (21W) (₹1,500) suits 2-3 foot tanks, and the Neo Helios Nano S3 Pro+ (₹1,250) suits smaller tanks. Easy stems grow without CO2, while Rotala, Cabomba and pearl weed grow more steadily with it; see our CO2 for planted tanks guide and low-tech planted tank guide.
Planted tank lights by tank size (Fish Bazaar range)
Pick the row that matches your tank length, then choose by plant level: the cheaper full-spectrum lights suit low to medium light plants such as Anubias, Java fern and Cryptocoryne, while the Chihiros WRGB II Pro and B Series are built for red plants, carpets and CO2 tanks. Tank length is the longest side of the glass. Prices are in rupees as listed on Fish Bazaar on 9 October 2026 and can change, so check the product page for the current price and stock.
| Tank length | Light | Power | Best for | Price (INR) |
|---|---|---|---|---|
| Nano, about 20 cm | Sobo AL-180 COB | 8W | Easy low-light plants: Anubias nana, mosses, Bucephalandra, small Crypts | ₹890 |
| Nano, about 20 cm | BluePet N6 Neo+ | 6W | Easy low-light nano plants; full spectrum | ₹550 |
| Nano, about 20 cm | Chihiros B Series (B 20) | White + RGB, app control | Medium to high-tech planted tanks; tunable colour | ₹4,900 |
| Nano and small tanks (about 20-40 cm) | Neo Helios Flat Nano S3 Plus | 13W | Low to medium light: Anubias, Cryptocoryne, Java fern, easy stems | ₹1,050 |
| Nano and small tanks (about 20-40 cm) | Neo Helios Flat Nano S3 Pro+ (10000K) | 13W | Low to medium light; cooler 10000K full spectrum | ₹1,250 |
| Nano and small tanks (about 20-40 cm) | Blue Pet Flat Nano S3 WRGB | 10W | Easy low-light nano plants; WRGB colour | ₹850 |
| Nano and small tanks (about 20-40 cm) | Blue Pet Flat Nano S4 WRGB | 16W | Low to medium light; more penetration than the S3 | ₹1,010 |
| 30-40 cm (about 1 to 1.5 ft) | RS Electrical RS-S13 clip-on | 12W | Low to medium light; clip-on for rimless tanks | ₹860 |
| 30-40 cm (about 1 to 1.5 ft) | RS Electrical RS-L13 clip-on (10000K) | 12W | Small planted tanks; clip-on, full-spectrum beads | ₹850 |
| 30 cm | Chihiros B Series (B 30) | White + RGB, app control | Medium to high-tech; red plants | ₹5,900 |
| 30 cm | Chihiros WRGB II Pro (30) | 4-in-1 WRGB, app control | High-tech tanks with demanding plants | ₹22,000 |
| 30 cm | Chihiros WRGB II Slim (30) | WRGB, app control | Planted and high-tech; use CO2 and dosing for demanding plants | ₹11,600 (sold out at time of writing) |
| 40-50 cm (about 1.5 ft) | Sobo AL-380 COB | 15.5W | Low to medium light: Anubias, Crypts, Java fern, easy stems | ₹1,230 |
| 45 cm | Chihiros B Series (B 45) | White + RGB, app control | Medium to high-tech; red plants | ₹6,500 |
| 45 cm | Chihiros WRGB II Pro (45) | 4-in-1 WRGB, app control | High-tech tanks with demanding plants | ₹26,000 |
| 45 cm | Chihiros WRGB II Slim (45) | WRGB, app control | Planted and high-tech; use CO2 and dosing for demanding plants | ₹12,000 (sold out at time of writing) |
| 50-60 cm (about 2 ft) | Sobo AL-480 COB | 21W | Low to medium light; add CO2 and dosing for carpets and red plants | ₹1,500 |
| 50-60 cm (about 2 ft) | Neo-Helios XP-300 (up to about 2-2.5 ft) | 16W | Small to medium planted tanks; many medium-light plants | ₹3,450 |
| 60 cm | Chihiros B Series (B 60) | White + RGB, app control | Medium to high-tech; red plants | ₹7,200 |
| 60 cm | Chihiros WRGB II Pro (60) | 4-in-1 WRGB, app control | High-tech tanks with demanding plants | ₹31,999 |
| 60 cm | Chihiros WRGB II Slim (60) | WRGB, app control | Planted and high-tech; use CO2 and dosing for demanding plants | ₹15,000 (sold out at time of writing) |
| 80 cm (about 2.5 ft) | Chihiros B Series (B 80) | White + RGB, app control | Medium to high-tech; red plants | ₹9,800 |
| 80 cm (about 2.5 ft) | Chihiros WRGB II Pro (80) | 4-in-1 WRGB, app control | High-tech tanks with demanding plants | ₹37,999 |
| 90 cm (3 ft) | Neo-Helios XP-600 (3 ft and up) | 32W | Medium to large planted tanks, including more demanding plants | ₹5,050 |
| 90 cm (3 ft) | Chihiros B Series (B 90) | White + RGB, app control | Medium to high-tech; red plants | ₹10,700 |
| 90 cm (3 ft) | Chihiros WRGB II Pro (90) | 4-in-1 WRGB, app control | High-tech tanks with demanding plants | ₹41,999 |
| 90 cm (3 ft) | Chihiros WRGB II Slim (90) | WRGB, app control | Planted and high-tech; use CO2 and dosing for demanding plants | ₹20,000 (sold out at time of writing) |
| 120 cm (4 ft) | Neo-Helios XP-1200 (4 ft and up) | 64W | Medium to large planted tanks, including more demanding plants | ₹5,850 |
| 120 cm (4 ft) | Chihiros B Series (B 120) | White + RGB, app control | Medium to high-tech; red plants | ₹11,500 |
| 120 cm (4 ft) | Chihiros WRGB II Pro (120) | 4-in-1 WRGB, app control | High-tech tanks with demanding plants | ₹52,999 |
| 120 cm (4 ft) | Chihiros WRGB II Slim (120) | WRGB, app control | Planted and high-tech; use CO2 and dosing for demanding plants | ₹24,000 (sold out at time of writing) |
| Specialist Chihiros (tank size not stated on the product page) | Chihiros A II 801 | White LED, app control | Densely planted freshwater tanks; acrylic stand, no metal legs | ₹11,500 (sold out at time of writing) |
| Specialist Chihiros (tank size not stated on the product page) | Chihiros RGB Vivid II Mini | RGB, app control | The most demanding plants; mount or pendant versions | ₹27,400 pendant, 28,800 mount (sold out at time of writing) |
Chihiros sizes (30, 45, 60, 80, 90, 120) match the tank length in cm. Wattage alone does not decide plant growth, so match the light to your plants and add CO2 and fertilizer only if you want demanding species. Not sure which light fits your tank? See the full aquarium light range or message us with your tank size.
Fertilizer and root tabs
Stem plants feed through leaves and roots and use nutrients quickly. Dose an all-in-one such as Sunken Garden Green (₹490) weekly after the water change, and add a root tab such as Sunken Garden Root Tabs (₹290) every two to three months. If new leaves turn pale, add iron; if old leaves show holes, add potassium or a balanced fertilizer. Do not overdose, because excess nutrients feed algae. Read aquarium plant fertilizer guide, how to dose aquarium fertilizer and nutrient deficiency in aquarium plants.
How to plant stem plants
- Rinse the stems and quarantine them; see how to dip and quarantine new plants.
- Remove bands, weights and rockwool, and separate the bunch into single stems.
- Trim the base at an angle and strip the lowest pair of leaves.
- Plant three to five stems per bunch, 3-4 cm deep, with 2-3 cm between stems.
- Keep bunches 3-5 cm apart so that light reaches the lower leaves.
- Add a root tab nearby and run the light for 7-8 hours.
- Remove melting leaves for the first two weeks while new tops grow.
See how to plant aquarium plants for other methods and plant holders, pots, weights and glue for tools such as tweezers and plant weights.
Trimming, topping and propagating stem plants
Stem plants are trimmed by topping: cut the stem 10-15 cm from the tip and replant the top; the old stem sends out side shoots from the nodes. Repeat every two to three weeks to keep a bushy shape and stop the lower leaves from dying in the shade. Each cutting with a node roots by itself, so topping is also propagation; see how to propagate aquarium plants and how to grow aquarium plants faster. Remove loose pieces with a net, and do not throw trimmings into drains, ponds or rivers. Some stems, such as Cabomba, are invasive in natural water.
Weekly routine for healthy stem plants
Stem plants reward consistency. Keep the light on a timer for 7-8 hours, change 25-30 percent of the water weekly with conditioned water, and dose fertilizer after the change. Look at the tips of the stems once a week: bright, compact new leaves mean the plant is doing well, while pale, small or twisted leaves point to a nutrient problem and stretched, thin stems point to low light. Change one thing at a time and wait two weeks before judging the result. See aquarium plant maintenance for a full routine.
Growing stem plants emersed and in a nursery tank
Many keepers grow spare stems in a separate container so that the main tank can be trimmed without losing plants. A tub or small tank with a basic light, a little soil and a few stems will keep a backup supply. Stems grown with their tops above the water grow faster, produce larger leaves and can flower, and you can later cut the tops and plant them in the main tank, where they will melt and regrow as underwater leaves. A nursery is also a good place to quarantine new plants and to rescue tops from a tank that is being reset.
Using stem plants in your layout
Plant stems in groups of the same species rather than mixing single stems, because a block of one plant looks cleaner and is easier to trim. Put tall stems such as Hygrophila and Ludwigia at the back and sides, and shorter ones such as Rotala and pearl weed in the midground. Keep slower plants such as Cryptocoryne, Anubias and Java fern in front so that fast stems do not shade them. For composition ideas, see our aquascaping guide.
Common stem plant problems and fixes
| Problem | Likely cause | Fix |
|---|---|---|
| Leaves melt after planting | Plant adapting from emersed growth | Keep conditions steady; new tops grow |
| Lower leaves drop and stems go bare | Shading or low light | Trim, thin the bunch and raise light |
| Pale new leaves with green veins | Low iron | Dose iron and an all-in-one fertilizer |
| Holes in leaves | Potassium shortage | Add a balanced fertilizer |
| Cabomba sheds needle-like leaves | Low CO2, low nutrients or sudden change | Keep conditions steady and feed regularly |
| Algae on leaf edges | Strong light and unbalanced nutrients | Reduce light period and keep nutrients steady |
| Stems float up | Planted too shallow | Replant 3-4 cm deep or use a plant weight |
See why aquarium plants melt or turn brown and yellow and does fertilizer cause algae for more help.
Which fish and tanks suit stem plants
Stem plants suit community, livebearer, rasbora, tetra, nano and shrimp tanks. Goldfish and large cichlids eat or uproot soft stem plants, but tougher ones such as Hygrophila and bacopa often survive; see goldfish care and cichlid care. For fish choices, read best fish for a planted aquarium and guppy care.
Choosing healthy stem plants
Look for stems with firm, green leaves and short gaps between the leaf pairs, which show good growth. Avoid stems with black, slimy or translucent patches and bunches with a musty smell. Many stem plants are grown above water and shed leaves when moved underwater, so buy a few more stems than you need and remove melting leaves quickly. Quarantine them for a week, and plant the same day you unpack.
Buying stem plants in India
Stem plants are sold as bunches by count or weight and as tissue-culture cups. Make sure the seller names the species, because common names such as red plant or green bunch cover several species; see where to buy live aquarium plants in India and tissue culture plants. At the time of writing, Fish Bazaar does not list live stem plants on the store; we stock the lights, fertilizers and root tabs shown above, and you can message us on WhatsApp for help planning your tank.
हिंदी में संक्षेप: स्टेम प्लांट (जैसे लुडविगिया, रोटाला, कैबोम्बा, पर्ल वीड, लिम्नोफिला और हाइग्रोफिला) कटिंग से बढ़ने वाले तेज़ पौधे हैं जिन्हें मध्यम से तेज़ रोशनी और नियमित खाद चाहिए। डंठल को 3-4 सेमी मिट्टी में छोटे गुच्छों में लगाएँ, नीचे के पत्ते हटाएँ, हफ़्ते में खाद दें और 2-3 महीने में रूट टैब दें। हर 2-3 हफ़्ते में ऊपर से काटकर टहनी दोबारा लगाएँ। शुरुआत के लिए हाइग्रोफिला, लिम्नोफिला और लुडविगिया आसान हैं, जबकि कैबोम्बा और पर्ल वीड के लिए तेज़ रोशनी और CO2 बेहतर है।
Frequently asked questions
Which stem plants are best for beginners?
Hygrophila, Limnophila (ambulia), Ludwigia repens, water wisteria and bacopa are the easiest. They grow in medium light and do not need CO2.
How do you plant stem plants?
Separate the bunch, strip the lowest leaves and push each stem 3-4 cm into the substrate in small bunches.
Do stem plants need CO2?
Easy species do not, but Rotala, Cabomba and pearl weed grow more steadily with CO2.
How do you trim stem plants?
Cut the stem 10-15 cm from the tip and replant the top. The old stem will send out side shoots.
Why do stem plants lose their lower leaves?
Shading, low light or low nutrients cause the lower leaves to drop. Trim, thin the bunch and raise the light.
Why is my Cabomba melting?
Cabomba is sensitive to changes in light, CO2 and nutrients. Keep conditions steady and feed regularly.
How fast do stem plants grow?
Most grow 1-3 cm a week in good light with nutrients, and faster with CO2.
Can I grow stem plants in a low-tech tank?
Yes. Choose easy species such as Hygrophila and Ludwigia repens and keep light moderate.
Why are my stem plants turning pale?
Low iron or nutrients are the usual cause. Add an all-in-one fertilizer and iron.
Are stem plants safe with goldfish?
Goldfish eat soft stem plants. Tougher species such as Hygrophila and bacopa often survive.
Related plant guides
- Aquarium plants for fish tanks: the complete India guide
- Water wisteria guide
- Bacopa guide
- Red aquarium plants
- Fastest growing aquarium plants
- How to propagate aquarium plants
- How to plant aquarium plants
Planning a stem plant background and unsure about light or fertilizer? Message us on WhatsApp at +91 91523 30102 and we will help.
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