About Black Gold Philodendron
Black Gold Philodendron Introduction
Philodendron melanochrysum, commonly known as the Black Gold Philodendron, is a striking climbing aroid native to the tropical rainforests of Colombia, particularly the humid lowland and montane forests where it grows as a hemiepiphyte, using tree trunks and other supports to climb toward filtered canopy light. In its juvenile stage the plant produces small, heart-shaped leaves, but as it matures and gains vertical support, it develops the elongated, velvety leaves that have made it a favorite among collectors.
The species is prized above all for its foliage. Mature leaves can reach 18 to 24 inches or more in length under ideal conditions, taking on a deep olive-black to near-black hue with a distinctive velvety sheen. Bright, contrasting yellow-green veins trace across the leaf surface, giving rise to the ‘Black Gold’ moniker. New growth typically emerges in coppery-bronze or pinkish-red tones before darkening as the leaf matures, adding seasonal visual interest even though the plant does not rely on flowers for its appeal.
In the wild, P. melanochrysum climbs using aerial roots that anchor it to tree bark, and leaf size and shape can vary considerably between juvenile and adult forms—a phenomenon botanists call leaf dimorphism. This climbing habit is central to achieving the plant’s signature large leaves in cultivation; specimens kept trailing or unsupported tend to produce smaller, less dramatic foliage than those trained onto a moss pole or totem.
Black Gold Philodendron Care & Growing Guide
Caring for Philodendron melanochrysum successfully means replicating, as closely as possible, the warm, humid, filtered-light conditions of its native Colombian rainforest understory. This is not typically considered a beginner houseplant, but with consistent attention to humidity, light, and support structure, it rewards growers with dramatic, velvety foliage that few other houseplants can match.
The single most important factor for lush growth is humidity combined with vertical support. Because this philodendron is a natural climber, providing a moss pole or bark totem encourages the plant to produce its characteristic large, mature leaves rather than the smaller juvenile foliage typical of unsupported specimens. Pair this with bright, indirect light, evenly moist (never soggy) well-draining soil, and ambient humidity of 60% or higher for the best results.
Beyond the basics, regular but moderate fertilization during the growing season, warm and stable temperatures, and periodic wiping or misting of the leaves to prevent dust buildup and deter pests will keep the plant healthy long term. Repotting every one to two years as roots fill the container, along with occasional light pruning to remove damaged leaves, rounds out a maintenance routine that most collectors find manageable once established.
Soil
Philodendron melanochrysum needs a light, chunky, well-draining aroid mix rather than dense potting soil. A good base combines standard potting soil with orchid bark, perlite, and coconut coir in roughly equal parts, which mimics the loose, organic debris the plant’s roots would encounter climbing through rainforest leaf litter. Ideal soil pH sits in a mildly acidic range of about 5.5 to 6.5.
Good drainage is essential; the roots need access to oxygen and will rot quickly in compacted, waterlogged soil. Adding horticultural charcoal helps keep the mix fresh and reduces the risk of root rot, while worm castings or compost can be worked in periodically to supply slow-release nutrients. The airy structure of this mix also supports the plant’s aerial and clinging roots as it climbs a support.
Common soil problems include poor drainage from soil that has broken down and compacted over time, salt build-up from mineral-heavy tap water and fertilizer residue (visible as a white crust on the soil surface or pot rim), nutrient deficiencies showing as pale or yellowing new growth, and root-boundness in plants left too long in the same pot, which restricts water uptake and stunts new leaf size. Flushing the soil with plain water every couple of months and repotting on schedule helps prevent these issues.
Fertilizer
Feed Philodendron melanochrysum with a balanced, water-soluble houseplant fertilizer (roughly a 3-1-2 or 20-20-20 formulation) diluted to half strength, applied every 4 to 6 weeks during the active spring and summer growing season. Reduce or pause fertilizing in fall and winter when growth naturally slows.
Over-fertilization shows up as browned or crispy leaf-tip burn, a visible white crust of salts on the soil surface, and wilting despite adequate watering. Under-fertilization presents as pale, small new leaves, slow growth, and reduced vein contrast on the foliage.
Organic alternatives include diluted fish emulsion, compost tea, or worm-casting top-dressing, all of which supply a gentler, slow-release nutrient source. This species particularly benefits from adequate nitrogen and magnesium for rich leaf color; a light application of Epsom salt solution every couple of months can help address magnesium deficiency if pale interveinal yellowing appears.
Watering
Water Philodendron melanochrysum when the top 1 to 2 inches of soil have dried out, typically every 7 to 10 days, though this varies with light, humidity, and season. The plant prefers room-temperature water; rainwater, distilled water, or filtered water is preferable to hard tap water, which can cause mineral salt build-up and leaf-tip browning over time.
Overwatering is signaled by yellowing lower leaves, a mushy or blackened stem base, and a sour smell from the soil, all of which point toward root rot. Underwatering shows up as drooping or curling leaves, dry and crispy leaf edges, and slowed growth. Because the plant’s chunky aroid mix dries faster than dense potting soil, checking soil moisture by finger or a moisture meter is more reliable than following a strict calendar.
During the active growing season in spring and summer, the plant uses more water and may need watering slightly more often, while growth slows in fall and winter, requiring longer intervals between waterings to avoid waterlogging the roots during a period of reduced uptake.
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Lighting
This philodendron thrives in bright, indirect light, ideally filtered through a sheer curtain near an east- or west-facing window, or set back a few feet from a bright south-facing window. In its native understory habitat it receives dappled canopy light rather than direct sun, and indoor care should mimic that pattern.
Insufficient light typically shows up as smaller-than-expected new leaves, long gaps between leaves on the stem (etiolation), dull or faded coloring, and slowed overall growth. Excessive or direct light, on the other hand, can scorch the velvety leaf surface, producing bleached, crispy, or brown patches, and may fade the deep black-green coloring that makes this species distinctive.
If natural light is insufficient, a full-spectrum LED grow light positioned 12 to 24 inches above the plant and run for 10 to 12 hours a day is an effective supplement, particularly in winter months or low-light rooms. Rotating the pot periodically also ensures even growth on all sides of the plant.
Temperature
Ideal daytime temperatures range from 65 to 80°F (18 to 27°C), with a slight nighttime drop being well tolerated. The plant is sensitive to cold and should never be exposed to temperatures below about 55°F (13°C), which can cause chilling injury, blackened tissue, or leaf drop.
P. melanochrysum tolerates minor, gradual temperature fluctuations but reacts poorly to cold drafts, air conditioning vents, or sudden swings between hot and cold, which can stress the plant and slow growth. Keep it away from exterior doors and drafty windows in winter, and away from direct heater vents, which can dry it out excessively.
To protect the plant from temperature extremes, move it away from windows during cold snaps or heat waves, avoid placing it near radiators or air conditioning units, and consider a stable indoor spot away from doors that open frequently to the outside.
Humidity
Philodendron melanochrysum prefers high humidity, ideally 60 to 80%, reflecting its rainforest origins. Average home humidity (often 30 to 40%) is usually too low for the plant to reach its full velvety, large-leaved potential, though it can survive at lower levels with some compromise in leaf size and texture.
Low humidity stress presents as crispy or browning leaf edges, curling leaf margins, and slower, smaller new growth. Excessively high humidity combined with poor air circulation, on the other hand, can encourage fungal issues, so ventilation matters alongside moisture.
Effective ways to raise humidity include running a small room humidifier near the plant, which is generally the most reliable and adjustable method; grouping plants together to create a shared moist microclimate; and using a pebble tray with water beneath (not touching) the pot base. Misting offers only a brief, superficial humidity boost and is best used as a supplement rather than a primary method. Many collectors also grow this species in a greenhouse cabinet or enclosed grow tent for consistently elevated humidity.
Propagation
Philodendron melanochrysum is most commonly propagated through stem cuttings, and less commonly through air layering on mature climbing stems. Stem cuttings offer the most reliable and beginner-friendly success rate, typically 70 to 90% under warm, humid conditions, while air layering can achieve similarly high success but requires more setup and patience. Late spring through summer, during the plant’s active growth phase, is the best time to propagate.
1. Select a healthy stem section with at least one node and, ideally, one or two leaves attached.
2. Using clean, sharp scissors or pruning shears, cut just below the node.
3. Allow the cut end to callous for 30 to 60 minutes in a dry, shaded spot.
4. Place the cutting in water, moist sphagnum moss, or a light propagation mix, ensuring the node is in contact with the moisture source.
5. Keep the cutting warm (around 75°F/24°C) and in bright, indirect light with high humidity, using a humidity dome or bag if needed.
6. Change water every few days if water-propagating, or keep moss consistently moist but not soggy.
7. Roots typically begin appearing within 3 to 6 weeks.
8. Once roots reach 1 to 2 inches long, pot the cutting into a chunky aroid mix.
9. Keep newly potted cuttings in high humidity for several weeks to ease the transition.
10. Expect full establishment, with visible new leaf growth, within 2 to 3 months.
Potting
Choose a pot with ample drainage holes, sized only slightly larger than the current root mass, as oversized pots hold excess moisture and increase rot risk. Terracotta pots help wick away excess moisture, while plastic nursery pots retain humidity longer, which can benefit growers in drier climates. A well-draining chunky aroid mix, as described in the soil section, is essential.
Repot every 1 to 2 years, or sooner if growth stalls, water drains unusually fast through the pot, or roots are visibly circling the surface or emerging from drainage holes—all signs of root-boundness.
When repotting, gently loosen the root ball, trim away any mushy, blackened, or clearly dead roots with clean shears, and avoid disturbing healthy roots unnecessarily. Position the plant at the same soil depth it was growing at previously, backfill with fresh mix, and water thoroughly. To minimize transplant stress, repot during the active growing season, keep the plant in stable warmth and humidity for a week or two afterward, and hold off on fertilizing for about a month to let roots recover.
Pruning
Best Time to Prune
Prune Philodendron melanochrysum during the active growing season in spring or summer, when the plant recovers most quickly from cuts.
Frequency and Purpose
Light pruning is typically needed only a few times a year to remove damaged, yellowing, or diseased leaves and to control size or shape as the plant climbs.
Tools and Preparation
Use clean, sharp bypass pruners or scissors, sterilized with rubbing alcohol before and between cuts to prevent spreading disease between plants.
Step-by-Step Pruning Guide
- Inspect the plant and identify any yellow, brown, or damaged leaves and stems.
- Sterilize your pruning tool with rubbing alcohol.
- Cut damaged leaves at the base of the petiole, close to the main stem.
- For stem tip pruning to control length, cut just above a healthy node.
- Remove any spent or unattractive stems entirely if they are no longer producing new growth.
- Dispose of removed material and avoid composting any diseased tissue.
- Wipe remaining leaves clean after pruning to check for pests.
Aftercare
Water lightly if the soil is dry, keep the plant out of direct sun for a few days, and monitor cut sites for signs of infection.
Special Considerations
Wear gloves when pruning, since the sap can irritate skin, and avoid heavy pruning on young or recently repotted plants.
Blooming
Philodendron melanochrysum is grown almost exclusively for its foliage and rarely flowers in cultivation. In its native habitat, mature specimens can produce an aroid-typical inflorescence consisting of a white to pale green spathe surrounding a spadix, generally appearing during the warm, humid growing months. Flowering requires a very mature plant and near-ideal conditions, and even then blooms are infrequent and short-lived, lasting only a few days. Because indoor specimens are rarely allowed to reach the size and maturity level needed to flower, growers should not expect blooms and should instead focus on foliage health.
Pests and Diseases
Pests
Name: Spider mites
Symptoms: Fine webbing on leaf undersides, stippled or bronzed leaf surface, dry speckled appearance
Treatment: Rinse foliage with lukewarm water, increase humidity, and apply insecticidal soap or neem oil weekly until resolved
Name: Mealybugs
Symptoms: White, cottony clusters at leaf axils and stem joints, sticky honeydew residue
Treatment: Dab insects with rubbing alcohol on a cotton swab, then treat the whole plant with insecticidal soap or neem oil
Name: Aphids
Symptoms: Clusters of small green or black insects on new growth, curled or distorted young leaves
Treatment: Wash off with a strong stream of water and apply insecticidal soap every 5 to 7 days until cleared
Name: Scale insects
Symptoms: Small brown or tan bumps along stems and leaf veins, sticky residue, yellowing leaves
Treatment: Scrape off manually and treat with horticultural oil or systemic insecticide for persistent infestations
Diseases
Name: Root rot
Symptoms: Wilting despite moist soil, blackened mushy roots, foul soil odor, yellowing lower leaves
Treatment: Remove from pot, trim affected roots with sterilized tools, repot into fresh well-draining mix, and reduce watering frequency
Name: Bacterial leaf spot
Symptoms: Water-soaked dark spots that may develop yellow halos, spreading rapidly in humid conditions
Treatment: Remove affected leaves, improve air circulation, avoid overhead watering, and apply a copper-based bactericide if needed
Name: Fungal leaf spot
Symptoms: Brown or black circular spots with defined edges, sometimes with concentric rings
Treatment: Remove infected leaves, avoid wetting foliage when watering, and apply a fungicide labeled for houseplants
Special Features
Beyond its horticultural care needs, Philodendron melanochrysum is best known for its extraordinary foliage: large, velvety, near-black leaves traced with vivid yellow-green veins that catch light in a way few other houseplants can replicate. New leaves often emerge in warm copper or salmon tones before darkening, adding a rotating display of color as the plant matures. Its climbing habit also makes it a striking feature plant when trained onto a moss pole or totem, where it can develop a dramatic vertical presence in a room. While it does not produce edible fruit or fragrant flowers, its dramatic texture and coloring have made it one of the most sought-after specimens among aroid collectors.
Plant Benefits
Philodendron melanochrysum has no established herbal, medicinal, or pharmaceutical use, and due to its calcium oxalate content it should never be ingested. Its primary benefit is ornamental and psychological: like many houseplants, caring for it has been associated anecdotally with stress reduction and improved indoor aesthetics, though it should not be relied upon for any therapeutic or health-related purpose.
Additional Information
Philodendron melanochrysum is sometimes confused with the similar species Philodendron melanochrysum var. or hybrids like Philodendron ‘Splendid,’ which is itself believed to be a natural or cultivated hybrid involving P. melanochrysum. Buyers should verify plant identity from a reputable seller, as juvenile specimens of several velvet-leaf philodendrons look similar before maturing.
Life Cycle
As a hemiepiphytic perennial, Philodendron melanochrysum begins life with small, heart-shaped juvenile leaves close to the ground before its aerial roots find a support to climb. As it ascends, leaf size and texture change dramatically—a process called foliar dimorphism—producing the large, velvety mature leaves the species is known for. Given its perennial nature, the plant continues producing new leaves indefinitely under suitable care, with individual leaves persisting for a year or more before naturally yellowing and being shed as new growth emerges above. Flowering, when it occurs at all in cultivation, requires a fully mature, well-supported specimen and is rare indoors.
Are Black Gold Philodendron Poisonous, Toxic
Philodendron melanochrysum is toxic to cats, dogs, and humans (especially children) if chewed or ingested. All parts of the plant contain insoluble calcium oxalate crystals, with the leaves and stem sap posing the greatest risk. When plant tissue is chewed, these microscopic crystals penetrate soft tissue, causing immediate oral irritation.
Symptoms in pets and children typically include intense burning or irritation of the mouth, lips, and tongue, excessive drooling, difficulty swallowing, vocalizing in distress, vomiting, and in more severe cases swelling of the airway that can make breathing difficult. Skin contact with sap may cause localized irritation or dermatitis in sensitive individuals.
Severity is generally considered mild to moderate, with symptoms rarely life-threatening, but swelling that affects breathing constitutes an emergency. First aid includes rinsing the mouth thoroughly with water or milk, wiping away any visible plant material, and offering a cold treat or ice chip to soothe irritation; a veterinarian or poison control center (or physician, for children) should be contacted promptly, especially if swelling, drooling, or breathing difficulty is significant. Preventive measures include placing the plant well out of reach of pets and small children, training climbing vines onto high shelving or hanging supports, and promptly removing any fallen leaf debris.
Frequently Asked Questions
Is Philodendron melanochrysum easy to care for?
It is considered an intermediate-level houseplant, mainly because it needs consistently high humidity and a climbing support to produce its large, mature leaves.
Is Philodendron melanochrysum toxic to cats and dogs?
Yes, it contains calcium oxalate crystals that irritate the mouth and digestive tract if chewed or ingested, and it should be kept away from pets and children.
How often should I water Philodendron melanochrysum?
Water when the top 1 to 2 inches of soil are dry, typically every 7 to 10 days, adjusting for light, humidity, and season.
Does Philodendron melanochrysum need a moss pole?
A moss pole or similar climbing support is strongly recommended, as it encourages the plant to produce its larger, mature velvety leaves.
What humidity does Philodendron melanochrysum need?
It thrives at 60 to 80 percent humidity, and lower humidity can result in crispy leaf edges and smaller new growth.
Why are my Philodendron melanochrysum leaves turning yellow?
Yellowing is most commonly caused by overwatering and root rot, though natural aging of older leaves can also be a factor.
How big does Philodendron melanochrysum get?
With adequate climbing support, mature leaves can reach 18 to 24 inches or more in length, and the plant can climb several feet tall indoors.
What is the best soil for Philodendron melanochrysum?
A chunky, well-draining aroid mix of potting soil, orchid bark, perlite, and coconut coir works best, with a mildly acidic pH of about 5.5 to 6.5.
How do you propagate Philodendron melanochrysum?
The most reliable method is stem cuttings with at least one node, rooted in water, moist sphagnum moss, or a light propagation mix under warm, humid conditions.
Does Philodendron melanochrysum flower indoors?
It rarely flowers indoors, as blooming requires a very mature, well-supported specimen under near-ideal growing conditions.
Can I grow Black Gold Philodendron in my indoor space
Difficulty: Intermediate
Size: Medium to Large
Light: Medium
Water: Medium
Flowering: No
Pet Safe: No
Air Purifier: Low
Philodendron melanochrysum botanical details
Common Name: Black Gold Philodendron
Other Common Names: Black Gold, Velvet Leaf Philodendron, Melano Philodendron
Botanical Name: Philodendron melanochrysum
Native Area: Tropical Colombia, particularly humid lowland and premontane rainforest regions of the Andes foothills.
Family Name: Araceae
Plant Type: Perennial climbing vine (epiphyte/hemiepiphyte)
Genus: Philodendron
Kingdom: Plantae
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Plant Puns and Jokes
Why did the Philodendron melanochrysum refuse to leave the party? Because it was having a totem-ly good time climbing the social ladder!
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