Monstera
Monstera deliciosa
Toxic to pets
Pachira aquatica · Malvaceae
Pachira aquatica is a tropical wetland tree native to Central and South America, where it grows along riverbanks and in swampy areas that flood seasonally. As a houseplant it is most commonly sold with its trunk braided from several young stems woven together before they lignify, a practice that originated in Taiwan in the 1980s. It is widely cultivated for its attractive palmate foliage and its association in East Asian cultures with good fortune and financial prosperity.
Photo: Dennis G. Jarvis / CC BY-SA 2.0 via Wikimedia Commons
Pachira aquatica thrives in bright, indirect light and should be placed close to a window that does not receive harsh, direct midday sun, which can scorch the leaves. An east- or west-facing windowsill is generally ideal indoors. The plant tolerates moderate light levels but growth will slow considerably, and prolonged low light can cause leggy stems and leaf drop. Rotate the pot a quarter turn every few weeks to encourage even, balanced growth across the canopy.
Water thoroughly until water drains freely from the base of the pot, then allow the top half of the compost to dry out before watering again. Pachira aquatica is surprisingly susceptible to root rot despite its swampy native habitat, because in the wild its roots experience periods of both flooding and drying; waterlogged compost in a container with restricted drainage is far more damaging than in nature. Reduce watering frequency significantly in autumn and winter when growth slows. Always use a pot with drainage holes and empty saucers promptly after watering.
A well-draining, moderately fertile compost is essential. A peat-free loam-based compost such as John Innes No. 2 blended with 20 to 30 percent perlite or coarse grit is suitable. Avoid heavy, moisture-retentive composts, which dramatically increase the risk of root rot. Good aeration around the roots is more important than high fertility, so resist the temptation to use a dense potting mix even if it appears rich.
Feed with a balanced, water-soluble fertiliser at half the recommended strength every four weeks during the active growing season from spring through to early autumn. Avoid feeding in late autumn and winter when the plant is not actively growing, as unused nutrients accumulate as salts in the compost and can damage roots. Occasional use of a fertiliser with a slightly higher nitrogen component can support healthy, deep green foliage.
Pachira aquatica prefers temperatures between 16 and 30 degrees C and dislikes sudden temperature fluctuations, cold draughts, and positioning near radiators or air-conditioning units. Humidity above 50 percent is preferred; in dry centrally heated interiors, group the plant with others or place the pot on a tray of damp gravel to raise local humidity. Misting can provide a brief increase in humidity but is not sufficient on its own in very dry conditions. The plant should not be exposed to temperatures below 10 degrees C.
Repot every two to three years, or when roots begin to emerge from the drainage holes or circle visibly at the surface. Move up only one pot size at a time, as an overly large container retains excess moisture and increases the risk of root rot. The best time to repot is in spring at the start of the growing season. When repotting a braided specimen, take care not to disturb the braid formation at the base, as the stems may have partially fused and separating them can cause damage.
Prune in spring to control height and encourage a bushier canopy. Use clean, sharp scissors or secateurs and cut just above a leaf node. The plant responds well to pruning and will produce new shoots from below the cut. Remove any dead, damaged, or yellowing leaves throughout the year as needed. The braided trunk itself should not be pruned or altered once established, as cuts to the main stems can introduce disease and disrupt the structural form of the plant.
Take a cutting of 10 to 15 centimetres with at least two nodes and one or two leaves, remove lower leaves, and allow the cut end to dry for an hour before placing in moist perlite or a water vessel. Roots typically develop within four to eight weeks when kept in a warm, humid environment above 22 degrees C.
Fresh seeds, which resemble large brown nuts, germinate readily when sown just below the surface of warm, moist compost at around 25 degrees C. Germination usually occurs within two to four weeks, though seeds lose viability quickly and should be sown as fresh as possible.
Native to southern Mexico, Central America, Trinidad, northern South America, Brazil.
The genus name Pachira derives from a Guyanese indigenous name for the plant, adopted into botanical Latin. The species epithet aquatica is straightforward Latin for 'of water' or 'aquatic', referring directly to the plant's natural preference for waterlogged and riparian habitats in tropical Central and South America. The common name 'Guiana Chestnut' reflects both its geographic origin and the edible, chestnut-like quality of its roasted seeds, while 'Malabar Chestnut' appears to be a misnomer, as the plant has no native connection to the Malabar Coast of India.
Pachira aquatica is native to the wetlands and riverbanks of tropical Central and South America, from Mexico south through to Bolivia and Brazil. Its edible seeds have been consumed by indigenous and local populations for centuries. The plant entered the global houseplant trade primarily through Taiwan, where in 1986 a Taiwanese grower began selling the braided multi-stemmed form as a symbol of good luck and financial fortune, marketing it under the name 'Money Tree'. The concept aligned closely with feng shui principles, which associate the five-leaflet palmate leaves with the five elements of Chinese cosmology. From Taiwan the trend spread to Japan, mainland China, and subsequently to Europe and North America, making Pachira aquatica one of the most commercially significant houseplant introductions of the late twentieth century.
Not a true cultivar but a horticultural presentation in which three to seven juvenile stems are braided together before the trunk lignifies; this form dominates the houseplant trade worldwide.
A closely related species sometimes sold under the same common name; it has smaller, smoother flower parts and is frequently confused with P. aquatica in the retail trade.
An uncommon variegated form with irregular cream and pale green patterning on the leaves; considerably rarer in cultivation than the standard green-leaved plant and requires brighter light to maintain variegation.