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Growing Inspiration
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Cultivar
Philodendron billietiae 'Billienum'
Cultivar: Billienum
Philodendron 'Billienum' features expansive, textured foliage that showcases prominent venation and a rich, deep green coloration. As an aroid hybrid, it develops a robust, clumping habit that makes it an excellent focal point in bright, indirect light. This tropical plant thrives in humid environments and adds an sophisticated, layered aesthetic to interior spaces.
Philodendron 'Billienum' is a striking hybrid prized for its large, velvety, heart-shaped leaves that combine the best traits of its parent species. It is a stunning choice for indoor collections seeking a bold, tropical foliage display.
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18-plant pack · Ship
$87.61 total
288 plants available · max 16 packs
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Orders generally ship within 3–7 days after purchase. Agardeni gives priority to USPS Priority Mailfor standard live-plant shipments when practical.
USPS Priority Mail typically has a 2–3 day delivery objective after shipment, but delivery times are not guaranteed.
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Agardeni ships from Florida and does not monitor destination temperatures nationwide. Customers are responsible for considering local weather conditions and retrieving packages promptly after delivery.
Agardeni is not responsible for plant damage caused by freezing temperatures, frost, excessive heat, or prolonged exposure to extreme temperatures at the destination.
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Cultivar Story
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Inspiration for future Agardeni growing environments.
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A realistic representation of the starter plants offered in 18, 36, and 72 plant quantities.
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Grow your aspirational plan into an inspirational garden.
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A closer look at the fruit, flower, foliage, or mature defining characteristics of this cultivar.
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Begin with a starter plant and establish it in a larger pot using quality potting soil with beneficials and fertilizer.
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See this cultivar from starter plant to aspirational garden.
Plant Profile
Key growing information first, with the complete reviewed cultivar profile available when you want it.
Sun
Bright, indirect light
Water
Keep soil evenly moist, allowing the top inch to dry out between waterings. Avoid waterlogging the roots.
Mature size
3-5 feet tall and wide
Hardiness
10-12 (primarily grown as a houseplant)
Growth habit
Clumping tropical perennial
Plant type
tropical foliage plant
Care, size, flowering, climate, soil, health, and additional reviewed data.
Good to know
Provide consistent humidity and bright, indirect light to maintain leaf health and vibrant color. Avoid direct sunlight which may scorch the foliage.
Prefers temperatures between 65-80°F. Protect from cold drafts and temperatures below 55°F.
Rarely flowers in indoor environments; grown primarily for its impressive foliage.
Everyday care, growth, feeding, and pruning guidance.
Sun / light
Bright, indirect light
Growth rate
Moderate
Fertilizer
Apply a balanced liquid fertilizer diluted to half-strength during the active growing season.
Pruning
Remove yellowing or damaged leaves at the base to maintain plant vigor and appearance.
Care notes
Provide consistent humidity and bright, indirect light to maintain leaf health and vibrant color. Avoid direct sunlight which may scorch the foliage.
How the plant grows and the space it needs at maturity.
Mature size
3-5 feet tall and wide
Growth habit
Clumping tropical perennial
Spacing
3-4 feet apart
Flowering, fruiting, pollination, bloom, and harvest behavior.
Flowering / fruiting
Rarely flowers in indoor environments; grown primarily for its impressive foliage.
Cold, heat, chill, and regional growing considerations.
Hardiness zones
10-12 (primarily grown as a houseplant)
Temperature
Prefers temperatures between 65-80°F. Protect from cold drafts and temperatures below 55°F.
Moisture, drainage, soil, and pH preferences.
Watering
Keep soil evenly moist, allowing the top inch to dry out between waterings. Avoid waterlogging the roots.
Soil
Well-draining, airy aroid mix containing peat or coco coir, perlite, and orchid bark.
Soil pH
5.5-6.5
19 additional reviewed fields from this Plant.id.
Container Growing
Ideal for containers; ensure the pot has drainage holes to prevent root rot as the plant grows.
Family
Araceae
Foliage Look
Deep green, large, velvet-textured, heart-shaped foliage with prominent midribs.
Foliage Rules
Leaves should appear heart-shaped, large, and textured; emphasize the velvet surface and clear venation pattern.
Fruit Flower Look
Rarely observed; typical aroid spadix and spathe structure if present.
Fruit Flower Rules
Do not depict fruit or flowers on starter-stage imagery.
Growth Habit Rules
Preserve the clumping growth habit; do not depict as a long, trailing vine.
Mature Plant Look
A lush, broad-leafed tropical foliage plant with a dense clumping form.
Mature Stage Morphology
Large, elongated heart-shaped leaves with velvety texture and distinctive veining; forms a dense, clumping habit.
Morphology Rules
Must accurately represent aroids with heart-shaped leaves and petiole length indicative of P. billietiae influence.
Plant Faqs
How much light does a Philodendron Billienum need? It thrives in bright, indirect sunlight. Does this plant like humidity? Yes, it prefers high humidity levels to support lush foliage growth. How large will my Billienum get? It can reach a mature size of 3 to 5 feet tall and wide in appropriate conditions. Can I grow this in a container? Yes, it is an excellent choice for large containers with well-draining soil.
Root Look
Healthy, fibrous white roots visible in a propagation plug.
Soil Look
Loose, dark, peat-based potting medium with visible aeration components like perlite.
Starter Stage
Small starter plug with 2-4 developing leaves.
Starter Stage Morphology
Juvenile leaves are smaller, potentially lacking the full mature texture or size; typically displays basic heart-shaped leaf structure.
Video Voiceover Script
Welcome to Agardeni, where inspiration for gardening helps us imagine how and where we will grow Philodendron Billienum. This is Philodendron Billienum, available as 18, 36, and 72 plant starter trays through the Agardeni Marketplace. Let Philodendron Billienum become part of your aspirational plan, helping you imagine the future indoor foliage environment you want to create. The defining feature of this hybrid is its large, heart-shaped foliage, which displays a beautiful, velvety texture and deep green color that makes it a standout specimen. Establish your starter by potting it into a four-inch pot with a quality, well-draining mix, then move it later to an appropriate final container when established. Find your inspiration with Agardeni. Explore real plants and real availability. Start. Plan. Grow.
Youtube Tags
Philodendron Billienum Philodendron Billienum aroid houseplant tropical plants foliage indoor gardening starter plants Agardeni
Youtube Video Summary
Explore the vibrant foliage of the Philodendron 'Billienum', a sought-after hybrid for any indoor tropical collection. Learn how to establish these starter plants for long-term growth and success.
Youtube Video Title
Growing the Philodendron 'Billienum' Hybrid
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Possible future seller options for 2.5-inch, 4-inch, and 1-gallon finished plants.