Water Culture for Money Plant: What It Actually Means
Water culture — also called aquatic culture or hydroponics at its simplest level — means growing a plant with its roots permanently submerged in or surrounded by water rather than in soil. The plant obtains water and dissolved mineral nutrients directly through its root system from the surrounding liquid, rather than from soil particles and organic matter.
For money plant (Epipremnum aureum), water culture is unusually easy because the plant is natively adapted to high-moisture environments. In its natural tropical habitat, money plant often grows in areas that flood seasonally, and it readily produces water-adapted roots when conditions change. These water roots are structurally distinct from soil roots — they are typically thicker, more succulent in appearance, and specialised for extracting dissolved oxygen and nutrients from an aquatic medium rather than from solid soil particles.
Water culture is not the same as simply leaving a cutting in a glass of water and forgetting it. Long-term water culture success requires attention to water quality, dissolved oxygen, nutrients, light, temperature, and periodic maintenance. Plants that are neglected in standing, stagnant water develop root rot quickly. Plants that are well-maintained in clean, regularly changed, properly fed water grow robustly and can outlive many soil-grown counterparts.
Two Ways to Start: Cuttings vs Soil Transfer
There are two starting points for a water-culture money plant: starting from a fresh cutting, or transferring an existing soil-grown plant to water. Both work well, but they have different timelines, challenges, and outcomes.
Starting from a fresh cutting
This is the simplest and most recommended approach, especially for beginners. Take a healthy stem cutting 15 to 25 cm long with at least 2 to 3 nodes. Remove any leaves that will be submerged and place the cutting directly into clean water with nodes submerged. The cutting will develop water roots from scratch — these new roots are immediately adapted to the aquatic environment, which means no transition period and no soil root die-off. Within 2 to 4 weeks in warm conditions, a network of white water roots develops, and the cutting settles into permanent water culture naturally.
Transferring an established soil plant to water
Transferring an established soil-grown money plant to water is possible but involves a transition period. Remove the plant from its pot and wash all soil from the roots very gently under room-temperature running water — do not leave any soil clinging to roots, as decomposing soil in a water vessel causes bacterial problems. Trim off any damaged, brown, or mushy roots. Place the cleaned plant in a vessel with the roots submerged and the stem and leaves above the waterline.
During the transition period (typically 3 to 6 weeks), the plant's existing soil roots — which are structurally adapted to extracting oxygen and nutrients from soil particles — will gradually die back. This die-off is normal and expected; do not panic when previously healthy white roots begin to brown and deteriorate. Simultaneously, new water roots will develop at the nodes and from the root base. By 4 to 8 weeks, the old soil root system is replaced by a new water root system and the plant is fully acclimatised to its new growing medium.
Choosing Your Vessel
The vessel for water-culture money plant does not need to be expensive or purpose-built, but certain characteristics matter for long-term plant health and aesthetic success.
Material
Glass and food-safe ceramic are the best materials. Glass is ideal because it is completely inert (no chemical leaching), easy to clean, available in infinite shapes and sizes, and visually allows you to monitor root health. Coloured or tinted glass is preferable to clear glass in bright rooms because it reduces algae growth by limiting light penetration into the water. Ceramic is also excellent — heavy, stable, and aesthetically attractive. Avoid copper, galvanised metal, and painted vessels: copper ions are toxic to plant roots even at low concentrations, galvanisation can leach zinc, and paint may leach chemicals over time.
Size
Larger vessels hold more water, which means more stable water chemistry, slower temperature fluctuations, and longer intervals between top-ups. For a mature money plant (more than 3 to 4 months established), a vessel holding 1 to 3 litres of water provides a good buffer. Smaller vessels (500 ml and under) need more frequent attention — water changes every 5 days rather than every 7 to 10 days. Avoid vessels so small that roots are cramped; roots in cramped conditions die at the tips and generate organic matter that fouls the water.
Opening size
The vessel opening should be wide enough to insert and remove the plant's root system without damaging it, but narrow enough (or provide a support mechanism) to hold the stem in an upright or desirable position. Narrow-necked bottles are ideal for single cuttings. Wider vases may need a piece of mesh, a foam ring, or crumpled paper to support the plant at the correct height. LECA (expanded clay aggregate) or decorative stones can be placed in a wider vessel to anchor roots and support the stem while remaining in a water layer at the bottom.
Vessel depth
Vessel depth determines how much of the root system can be submerged and how stable the water chemistry remains. An ideal depth is 20 to 35 cm, allowing 10 to 20 cm of root development below the waterline. In a very shallow vessel, roots quickly reach the bottom and become crowded; in a very deep vessel, the stem needs to be very long to reach the water level. Position the plant so that roots are submerged to a depth of 10 to 15 cm and the stem junction is near the waterline.
| Vessel Type | Volume | Best For | Maintenance Level |
|---|---|---|---|
| Wine / tall glass bottle | 500 ml–1 L | Single cuttings, decor | Weekly water change |
| Glass vase (medium) | 1–2 L | Established plants | Every 7–10 days |
| Large glass vase | 2–5 L | Multiple stems, large plants | Every 10–14 days |
| Mason jar / wide jar | 500 ml–2 L | Propagation, rustic display | Weekly |
| Ceramic pot with drainage plug | 1–3 L | Feature display | Every 7–10 days |
Water Quality and Management
Water quality is the most important ongoing factor in water-culture money plant health. The water in the vessel is not just a passive medium — it is actively the plant's entire growing environment. Its temperature, oxygen content, pH, nutrient concentration, and microbial load all affect root health and plant growth.
Water type
Room-temperature water that has been allowed to stand in an open container for 12 to 24 hours is generally the best choice for water-culture money plant. The standing time allows chlorine (added to municipal water as a disinfectant) to off-gas from the water, preventing the accumulation of chlorine at concentrations that can inhibit root growth. Filtered water (through a domestic carbon filter) works equally well and does not require the standing period. Bottled spring water is an option but unnecessary for most uses. Rainwater is excellent — naturally soft, mineral-balanced, and free of chlorine.
How often to change water
In warm conditions (above 22°C), change the water every 7 to 10 days. In cooler conditions (below 20°C), every 10 to 14 days is sufficient. The goal of regular changes is to maintain dissolved oxygen levels in the water, prevent bacterial and algal buildup, dilute any accumulated metabolic waste products from the roots, and refresh nutrient levels. Do not wait for the water to become visibly cloudy or green — by that stage, conditions are already stressful for the plant. Change on schedule, before problems develop.
How to change water properly
Remove the plant from the vessel gently, holding the stem rather than the roots. Pour out the old water and rinse the vessel with clean water — swirl and pour out two to three times. If algae is visible on the inside walls, wipe with a cloth or bottle brush. Run the plant's roots briefly under gentle running water if there is any visible debris. Add fresh prepared water and replace the plant. The whole process takes 3 to 5 minutes and is significantly less messy than repotting a soil plant.
Topping up between changes
Between complete water changes, you will notice the water level dropping as the plant absorbs water and as evaporation removes water from the surface. Top up the water level with fresh water as needed — do not allow roots to become exposed to air between changes. A consistent water level reduces stress on the root system.
Water temperature
Maintain water temperature between 18 and 28°C for best results. Cold water (below 15°C) slows root metabolism significantly and makes the plant more vulnerable to the bacteria and fungi that cause root rot. Hot water (above 30°C) depletes dissolved oxygen rapidly — warm water holds less oxygen than cold water, which is why summer is the highest-risk season for water-culture root rot. In very hot climates, change water more frequently in summer and position the vessel away from direct sunlight and heat sources.
Nutrients: Feeding Water-Grown Money Plant
Water alone contains none of the essential plant nutrients — nitrogen, phosphorus, potassium, calcium, magnesium, iron, and the many trace elements that money plant needs for healthy growth. Without added nutrition, a water-grown money plant will initially draw down on reserves stored in its tissues, then gradually decline: leaves pale and yellow, growth slows to almost nothing, roots thin and weaken. Regular fertilising is essential for long-term water culture success.
Which fertiliser to use
A balanced, water-soluble liquid fertiliser is the right choice for water culture. Look for an NPK ratio close to 20-20-20 or 15-15-15, which provides equal proportions of the three macro-nutrients. Products designed specifically for hydroponics or water-culture gardening are ideal as they are formulated to dissolve completely and contain all required trace elements. Standard houseplant liquid fertilisers (such as those sold in small bottles for indoor plants) also work well when used at reduced concentrations. Organic fertilisers like fish emulsion can be used but may make the water smell unpleasant — dilute generously and change water regularly.
Concentration: less is more in water culture
This is the most common mistake in water-culture fertilising. Nutrient recommendations on fertiliser packaging are designed for soil culture, where the soil buffers, binds, and moderates the availability of nutrients to roots. In pure water, all nutrients are immediately available at full concentration with no buffering whatsoever. Applying full-strength fertiliser to a water-grown plant causes fertiliser burn (root tip die-off from osmotic imbalance) within days.
Use one-quarter to one-eighth of the recommended concentration. For a product recommending 5 ml per litre, use 0.6 to 1.25 ml per litre. Add the diluted solution to the fresh water at each water change during the growing season (spring through early autumn). Skip fertilising in winter or when growth is visibly slow.
Signs of nutrient deficiency vs overfeeding
Nutrient deficiency: uniform pale yellowing of leaves (nitrogen), interveinal yellowing (iron or magnesium), stunted new growth, small new leaves, thin weak roots. Overfeeding: brown root tips, salt deposits forming on vessel walls above the waterline, sudden leaf yellowing after a fertiliser change, roots appearing to collapse. If overfeeding is suspected, perform two consecutive water changes with unfertilised water before resuming at a lower concentration.
Light for Water-Culture Money Plant
Light requirements for money plant grown in water are the same as for soil-grown money plant — bright indirect light produces the best growth, variegation, and root development. Direct sunlight is particularly problematic for water-culture plants because it heats the water and promotes algae growth in addition to the normal leaf-scorch risk.
Best positions in the home
A shelf or surface 50 to 100 cm from an east or north-facing window is the classic best position. The plant receives a generous amount of ambient and reflected daylight without any direct sun exposure. In well-lit rooms with large windows, the plant can be placed further from the window — money plant's adaptability to lower light makes it flexible for many interior positions as long as some natural light is available.
Managing algae in bright light
Algae growth in the vessel is almost inevitable in bright positions and is primarily a maintenance inconvenience rather than a direct threat to the plant. Manage it by using coloured or opaque vessels, wrapping the lower portion of the vessel in opaque material, changing water more frequently, and cleaning the vessel interior at each water change. Algae only becomes genuinely harmful if it completely fills the vessel and competes with plant roots for oxygen — at normal growth rates, weekly cleaning prevents this.
Rotating the plant
Rotate water-culture money plant vessels 90 degrees every 10 to 14 days to ensure even light exposure across all leaves. Without rotation, the plant grows predominantly toward the light source and produces a lopsided form. Rotation takes seconds and produces a noticeably more even, bushy growth habit over time.
Long-Term Water Culture: What to Expect Over Months and Years
Money plant in water does not behave exactly the same as soil-grown money plant over the long term. Understanding the typical developmental trajectory helps you manage the plant through its different phases.
Months 1–2: Establishment
The first two months are the establishment phase. Roots are developing (or transitioning in the case of soil transfers), and the plant's growth above the waterline is slower than it will become once the root system is established. This is a critical period — maintain water quality carefully and do not introduce stress (temperature changes, fertiliser at full strength, direct sunlight).
Months 3–6: Active growth
Once the water root system is fully established, money plant enters its most vigorous growth phase in water culture. New leaves emerge rapidly, vines extend quickly, and the root system in the vessel becomes increasingly dense. This is also when the vessel may begin to feel crowded with roots. Consider whether you need to move to a larger vessel if roots are visibly pressing against the glass walls on all sides.
Years 1–3: Maturity
Established water-culture money plant can continue producing growth and maintaining health for years. The plant's root system eventually fills the vessel; at this point you have two options — transfer to a larger vessel, or take cuttings to propagate fresh new plants in smaller vessels (the most common approach for glass bottle displays). Over years, old root material in the vessel centre may begin to die back naturally; trimming this periodically keeps the root system healthy and functional.
Water Culture Care Summary — Key Numbers
- Water change frequency: Every 7–10 days (warm) / 10–14 days (cool)
- Fertiliser concentration: ¼ to ⅛ of label recommendation
- Fertiliser frequency: Monthly during spring–summer; skip winter
- Ideal water temperature: 18–28°C
- Light: Bright indirect; 50–100 cm from window
- Rooting time (cuttings): 1–3 weeks at 24°C
- Transition period (soil to water): 3–6 weeks
Troubleshooting Water-Culture Money Plant
Root rot
Root rot in water culture presents as blackening, mushy roots, foul-smelling water, and yellowing leaves. Causes: infrequent water changes, water too warm, direct sunlight on vessel, or fertiliser at too high a concentration. Treatment: remove plant, cut away all black/mushy roots with clean scissors, clean vessel thoroughly, restart with fresh water at correct temperature, change water every 5 days temporarily until recovery is visible.
Yellowing leaves
Most commonly caused by nutrient deficiency (no fertiliser, or insufficient fertiliser) or insufficient light. Check fertiliser regime first — if you have not been adding nutrients regularly, resume and observe over 2 to 3 weeks. If already fertilising and yellowing persists, increase light levels.
Stunted or no new growth
Most common cause is insufficient light — water-culture money plant in genuinely low light produces no new growth. Move to a brighter position. Nutrient deficiency is the second common cause — check fertiliser routine. In winter, growth naturally slows or stops entirely — this is normal and resolves when temperatures and light increase in spring.
Algae buildup
Move vessel away from direct light, switch to a coloured vessel, clean more frequently. Algae is aesthetically unpleasant but not immediately harmful at moderate levels — focus on regular cleaning rather than chemical algaecides.
Complete Money Plant Care Guide
Water culture is just one approach to growing money plant. Explore all aspects of care — soil, propagation, pests, placement, and more — in our complete guide.
Read the Full Guide →

