Philodendron jacquinii is a plant known for its distinctive foliage. This species features deeply ribbed, elongated leaves that often appear to “shingle” as the plant climbs, creating a unique visual texture. Native to tropical regions of Southern Mexico through to the northern parts of South America, it thrives in warm, humid environments. This vining philodendron climbs up to 20 feet in its natural habitat.
Philodendron Jacquinii Care
Light Needs
Philodendron jacquinii thrives in bright, indirect light, mimicking its natural understory habitat. Placing it near a north, north-east, or north-west facing window is ideal. Direct sunlight can scorch the leaves, leading to pale or yellowish foliage and crispy brown patches. Too little light results in slower growth, leggy stems, and stunted development.
Watering Practices
Allow the top one to two inches of soil to dry out between waterings. Water thoroughly until excess drains from the bottom of the pot, preventing the plant from sitting in standing water, which can lead to root rot. Overwatering often causes yellowing lower leaves, while underwatering can lead to drooping, yellowing, and crispy brown edges.
Ideal Soil Mix
A well-draining, airy, and organic-rich potting mix provides the best environment. An aroid mix is recommended, as heavier soils retain too much water and increase root rot risk. Components like orchid bark, perlite, and coco coir contribute to good drainage and aeration while retaining some moisture. A slightly acidic pH, between 5.0 and 6.0, is preferred for optimal nutrient absorption.
Temperature and Humidity
Philodendron jacquinii flourishes in warm, tropical conditions, with an ideal temperature range between 18-27°C (65-80°F). It is sensitive to cold drafts and temperatures below 15°C (60°F), which can cause leaves to shed or droop. High humidity, around 60-70%, is optimal for lush growth. To increase humidity indoors, use a humidifier, group plants, or place the pot on a pebble tray filled with water, ensuring the plant’s base does not sit in water.
Fertilizing Schedule
During the active growing season (spring and summer), Philodendron jacquinii benefits from regular fertilization. A balanced liquid fertilizer, such as a 20-20-20 NPK ratio, diluted to half or quarter strength, can be applied every two to four weeks. Over-fertilization can lead to salt buildup, causing root damage and burnt leaf tips. Reduce or cease fertilization during fall and winter when growth slows.
Propagating Philodendron Jacquinii
Propagating Philodendron jacquinii is done through stem cuttings. Select a healthy stem section four to six inches long with at least one node, where new roots and leaves emerge. Remove any leaves from the bottom portion of the cutting to expose the nodes.
Cuttings can be rooted in water or a substrate like moist potting mix, sphagnum moss, or perlite. If rooting in water, submerge the nodes, changing the water every few days. For soil rooting, plant the cutting so nodes are beneath the surface, ensuring good contact. Maintaining high humidity supports faster rooting, typically within a few weeks. Once roots are at least an inch long, water-rooted cuttings can be transplanted into soil.
Troubleshooting Common Issues
Yellowing leaves often indicate issues. Overwatering, insufficient light, or nutrient deficiencies (especially nitrogen) are common causes. Refer to the ‘Watering Practices,’ ‘Light Needs,’ and ‘Fertilizing Schedule’ sections for solutions.
Browning leaf tips or edges often signal low humidity, underwatering, or over-fertilization. Consult the ‘Temperature and Humidity,’ ‘Watering Practices,’ and ‘Fertilizing Schedule’ sections for guidance.
Stunted growth can indicate a root-bound plant, nutrient deficiency, or inadequate light. Repotting into a larger container, ensuring proper fertilization, and providing bright, indirect light will promote healthier growth. Pests like spider mites, mealybugs, and aphids can also cause stunted growth and yellowing. Regular inspection and treatments like insecticidal soap or neem oil are effective.