Philodendron cf lupinum (Philodendron vanninii Croat ined.) – Expert Care and Growing Guide

Philodendron cf lupinum, (pending description as Philodendron vanninii Croat ined.), is a visually captivating tropical species with a striking transformation throughout its growth stages. In its juvenile phase, it produces velvety, heart-shaped leaves with rich maroon undersides, gradually evolving into obovate-hastate foliage with a deep green, glossy surface and a softer matte underside. As a hemiepiphyte, it thrives when provided with proper climbing support, making it a fascinating addition to any indoor plant collection.

Outstanding Features of Philodendron cf lupinum
 
Velvety Juvenile Leaves: Young foliage features a plush texture with dark maroon undersides, creating an eye-catching contrast.
Mature Foliage Evolution: As Philodendron cf lupinum matures, its leaves shift to a larger, more elongated shape with a glossy upper surface.
Climbing Growth Habit: Naturally grows by clinging to trees in the wild and benefits from vertical support like moss poles or trellises indoors.
 

What You Need to Know About Philodendron cf lupinum

Natural Habitat: Originating from tropical rainforests, this hemiepiphyte begins life attached to other plants before rooting independently. It thrives in warm, humid environments with high moisture levels and dappled sunlight.
Climate Conditions: Native to regions with temperatures ranging from 18°C to 27°C and high humidity above 60%.
Growth Habit: Philodendron cf lupinum is a climbing species that benefits from vertical support to encourage larger, mature leaves.
Indoor Growth Potential: Grows up to 1.5 meters indoors when provided with optimal conditions.
Toxicity: Like all philodendrons, Philodendron cf lupinum contains calcium oxalate crystals, making it toxic to pets and humans if ingested.
Native Range: Recorded in Brazil (Acre), Colombia (Amazonas, Leticia), and Peru (Loreto, Maynas) at elevations ranging from 110 to 120 meters. (source: Tropicos)
Discovery: Specimens have been documented by Thomas B. Croat (1986, Brazil), John James Pipoly III & J. Murillo (1991, Colombia), and Serge Barrier (1978, Peru). (source: Tropicos)
 
 
Essential Growing Conditions for Philodendron cf lupinum
 
Light: Philodendron cf lupinum prefers bright, indirect light. Grow lights providing approximately 4000 lumens can help maintain vibrant foliage. Avoid direct sunlight to prevent scorching.
Watering: Allow the top inch of soil to dry between waterings. Keep the soil consistently moist but avoid overwatering to prevent root rot.
Humidity: Philodendron cf lupinum thrives in high humidity (60% or above). Using a humidifier or grouping plants together can help maintain optimal conditions.
Temperature: Ideal range is between 18°C and 27°C. Protect from cold drafts and temperatures below 12°C.
Soil Mix: A well-aerated mix of orchid bark, perlite, and peat moss with activated charcoal ensures strong root development.
Repotting: Repot Philodendron cf lupinum every 1-2 years, upgrading to a slightly larger pot to accommodate growth.
Fertilizing: Apply a balanced liquid fertilizer every 4-6 weeks at half strength to support lush foliage development.
Propagation: Stem cuttings with at least one node root well in sphagnum moss, water, or soil. Air layering works effectively for mature plants.
Hydroponic Growth: Philodendron cf lupinum is adaptable tosemi-hydroponic setups with appropriate nutrient solutions.
Pruning: Remove yellow or damaged leaves regularly to encourage healthy growth.
Support: Provide a moss pole or trellis to encourage its natural climbing tendencies.
 

Common Issues with Philodendron cf lupinum and How to Address Them
 
Pests: Philodendron cf lupinum susceptible to spider mites, thrips, and mealybugs. Wipe leaves regularly and treat infestations with neem oil or insecticidal soap.
Root Rot: Prevent by ensuring proper drainage and avoiding waterlogged soil.
Leaf Discoloration:
Yellowing leaves - Typically caused by overwatering; adjust watering frequency accordingly.
Browning leaf tips - Often due to low humidity; increase moisture levels.
Drooping leaves - May indicate underwatering or inadequate light.
Fading juvenile colors - Ensure sufficient indirect light exposure.
Stuck unfurling leaves - Raise humidity to aid in healthy leaf development.
Nutrient Deficiencies: Stunted or pale growth may indicate a need for additional fertilization.
Temperature Fluctuations: Protect Philodendron cf lupinum from sudden temperature shifts to avoid plant stress.

 
Additional Care Considerations for Philodendron cf lupinum:
 
Companion Planting: Pair Philodendron cf lupinum with other moisture-loving species like monsteras or calatheas to create a lush, tropical setting.
Aesthetic Enhancement: Use neutral or textured pots to complement its velvety leaves.
Vertical Growth: Encourage climbing with moss poles for a natural rainforest effect.

Etymology
The genus name "Philodendron" comes from the Greek words "philo" (love) and "dendron" (tree), highlighting its affinity for climbing trees.

Frequently Asked Questions about Philodendron cf lupinum

Can I grow Philodendron cf lupinum in semi-hydroponics?
Yes, it adapts well to LECA and other hydroponic systems with nutrient-rich water.

How can I maintain the vibrant maroon undersides of the juvenile leaves of Philodendron cf lupinum?
Provide bright, indirect light and maintain high humidity levels.

What’s the best way to handle fungus gnats?
Allow the soil surface to dry out between waterings and use sticky traps or beneficial nematodes.

Bring home the striking Philodendron cf lupinum today and enjoy its dynamic foliage transformation. Order now to add this rare and fascinating species to your indoor plant collection!