Black Gold Philodendron
Philodendron Melanochrysum
Philodendron Melanochrysum, or Black Gold Philodendron, is a stunning tropical plant known for its striking dark green leaves with golden veins. Native to the rainforests of South America, it thrives in high humidity and bright, indirect light, making it a popular choice for indoor gardening enthusiasts.
Everything it needs
9 essentials at a glance
Watering
Philodendron Melanochrysum prefers to be kept slightly moist but not soggy.
Water when the top 1-2 inches of soil feels dry, typically every 1-2 weeks. In winter, reduce watering frequency as the plant enters a dormant phase. Signs of over-watering include yellowing leaves and root rot, while under-watering may cause leaf curling and browning edges.
Light
This plant thrives in bright, indirect light but can tolerate moderate light conditions.
Avoid direct sunlight, which can scorch the leaves. Ideally, it should receive around 6-8 hours of filtered light daily. It can adapt to lower light but may grow slower and lose some variegation.
Soil
Philodendron Melanochrysum prefers a well-draining potting mix with a pH range of 5.5 to 7.0.
A mix of peat, perlite, and orchid bark is ideal for ensuring proper drainage while retaining moisture. Ensure the pot has drainage holes to prevent waterlogging.
Humidity
This plant enjoys high humidity levels of 60% or more.
To increase humidity, consider using a humidifier, placing a pebble tray with water beneath the pot, or grouping it with other plants. Signs of low humidity stress include browning leaf tips and edges.
Temperature
The ideal temperature range for Philodendron Melanochrysum is between 65-85°F (18-29°C).
It is not frost-tolerant and prefers to be kept above 50°F (10°C). It thrives in USDA hardiness zones 10-12, making it suitable for warm climates.
Fertilizing
Use a balanced liquid fertilizer with an NPK ratio of 20-20-20 or a specialized houseplant fertilizer.
Fertilize every 4-6 weeks during the growing season (spring and summer) and reduce to once every 8-10 weeks in fall and winter. Signs of nutrient deficiency include yellowing leaves, stunted growth, and poor leaf development.
Pruning
Prune Philodendron Melanochrysum in spring to maintain its shape and encourage bushier growth.
Use clean, sharp scissors or pruning shears to remove any dead or yellowing leaves. Deadheading is not necessary, but removing spent leaves can improve the plant's appearance.
Repotting
Repot every 1-2 years or when the plant becomes root-bound.
Choose a pot that is 1-2 inches larger in diameter. Signs it needs repotting include roots growing out of the drainage holes or stunted growth. To repot, gently remove the plant from its current pot, loosen any tightly bound roots, and place it in fresh potting mix.
Propagation
Propagation can be done through stem cuttings or division.
For stem cuttings, take a 4-6 inch cutting with at least one node, place it in water or moist soil, and keep it in a warm, bright location. Change the water every few days if using water propagation. Best timing for propagation is in spring or early summer when the plant is actively growing.
When it's unhappy
Yellow leaves
Why it happens
Over-watering or nutrient deficiency.
How to fix it
Check the soil moisture and reduce watering frequency. Fertilize if nutrient deficiency is suspected.
Browning leaf tips
Why it happens
Low humidity or under-watering.
How to fix it
Increase humidity levels and ensure consistent watering.
Leggy growth
Why it happens
Insufficient light.
How to fix it
Move the plant to a brighter location with indirect light.
Pests (e.g., spider mites, aphids)
Why it happens
Dry conditions or poor air circulation.
How to fix it
Increase humidity, regularly check for pests, and treat with insecticidal soap if necessary.
Root rot
Why it happens
Over-watering and poor drainage.
How to fix it
Allow the soil to dry out, improve drainage, and consider repotting into fresh soil.
Care through the year
Spring
In spring, increase watering frequency as the plant resumes active growth. Fertilize every 4-6 weeks and consider repotting if needed.
Summer
During summer, ensure the plant receives bright, indirect light and maintain high humidity. Water regularly, allowing the topsoil to dry slightly between waterings.
Fall
In fall, gradually reduce watering as the plant prepares for dormancy. Continue fertilizing until late fall, then cut back to every 8-10 weeks.
Winter
In winter, keep the plant in a warm location away from drafts. Water less frequently and ensure it receives adequate light to prevent leggy growth.
Toxicity & Safety
Philodendron Melanochrysum is toxic to pets (cats and dogs) and humans if ingested. The plant contains calcium oxalate crystals, which can cause irritation, swelling, and pain in the mouth and throat. Keep it out of reach of children and pets.
Good to know
Why are my Philodendron Melanochrysum leaves turning yellow?
Yellow leaves can indicate over-watering or a nutrient deficiency. Check the soil moisture and adjust your watering schedule accordingly.
How often should I water my Philodendron Melanochrysum?
Water your Philodendron Melanochrysum when the top 1-2 inches of soil feel dry, typically every 1-2 weeks. Adjust frequency based on humidity and temperature.
What type of light is best for Philodendron Melanochrysum?
This plant thrives in bright, indirect light but can tolerate moderate light. Avoid direct sunlight to prevent leaf scorch.
How can I increase humidity for my Philodendron Melanochrysum?
Increase humidity by using a humidifier, placing a pebble tray with water beneath the pot, or grouping it with other plants to create a microclimate.
When is the best time to propagate Philodendron Melanochrysum?
The best time to propagate is in spring or early summer when the plant is actively growing, ensuring higher success rates.
How do I know when to repot my Philodendron Melanochrysum?
Repot when the plant becomes root-bound, indicated by roots growing out of the drainage holes or stunted growth.
Is Philodendron Melanochrysum safe for pets?
No, Philodendron Melanochrysum is toxic to pets and humans if ingested. Keep it out of reach of children and animals.
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