How to Grow Rubber Plant Black Prince

Rubber Plant Black Prince

Ficus elastica 'Black Prince'

shrub

Rubber Plant Black Prince is a striking cultivar of the classic rubber plant featuring deep burgundy to near-black foliage that develops richer coloration with adequate light. This tropical houseplant grows as an upright shrub or small tree and makes an excellent statement piece for indoor spaces. Its large, glossy leaves and dramatic dark coloring set it apart from standard green rubber plant varieties.

Growing Conditions

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Sun: Bright, indirect light 6-8 hours daily; intense direct sun can scorch leaves, while low light diminishes dark coloration

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Water: Water when top 1-2 inches of soil is dry; typically every 7-10 days. Reduce frequency in winter. Allow excess water to drain completely to prevent root rot.

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Spacing: 24 inches

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Days to maturity: N/A (ornamental foliage plant; reaches mature height over years)

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Planting depth: Plant at same depth as nursery container; top of root ball level with soil surface

Soil

Type: Well-draining potting mix with peat moss or coco coir

pH: 6.0-7.0

Amendments:

Perlite or pumice for drainage Orchid bark or charcoal Compost for organic matter

Growing Zones

Find your zone →

Zones 11-12; grown indoors in cooler climates

11a 11b 12a 12b

Growth Stages

Young Plantlet

4-8 weeks

Small plant with 2-4 leaves, compact growth habit, burgundy new growth

Establish in humid conditions; mist leaves weekly; use warm, filtered water; avoid moving frequently

Vegetative Growth

3-6 months

Plant develops multiple stems and leaves, dark burgundy foliage intensifies; may reach 1-2 feet tall

Maintain consistent bright, indirect light; fertilize monthly during growing season; rotate plant quarterly for even growth; pinch tips to encourage bushiness

Established Growth

Ongoing (1-2+ years)

Mature plant 2-6 feet tall with thick stems, large 6-12 inch leaves, deep burgundy-black coloration

Continue bright light to maintain dark color; prune leggy stems; clean leaves monthly with soft, damp cloth; fertilize every 4-6 weeks spring-summer

Pruning & Shaping

As needed

Plant responds well to pruning; new growth emerges from cut points; can be trained to tree or multi-stem form

Prune in spring/early summer when actively growing; use clean, sharp tools; wear gloves (sap can irritate skin); allow 1-2 weeks recovery between major prunings

Mature Specimen

Indefinite

Large focal plant reaching 5+ feet indoors, develops woody trunk, maintains glossy dark foliage year-round

Reduce fertilizer frequency; focus on maintenance watering and leaf cleaning; repot every 2-3 years or when root-bound; monitor for scale and spider mites

Companion Planting

Plan your garden →

Plant with:

Pothos Philodendron Monstera Dracaena Peace Lily Snake Plant ZZ Plant

Avoid planting near:

Direct heat vents Cold drafts from windows Air conditioner outlets Pets that chew (toxic to cats and dogs)

Common Pests

Spray with water to dislodge; increase humidity; use neem oil or insecticidal soap weekly until resolved
Inspect stems and leaf undersides; manually remove with alcohol-soaked cotton swab; apply horticultural oil monthly
Isolate plant; spray with neem oil or insecticidal soap; repeat every 5-7 days for 3 weeks
Allow soil to dry more between waterings; improve drainage; repot in fresh soil if severely affected; remove rotted roots
Remove affected leaves; improve air circulation; reduce leaf wetness; avoid splashing water on foliage

Uses

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Indoor Air Purification

Household

Rubber plants are known to filter indoor air by removing toxins like formaldehyde and xylene. The Black Prince variety provides this benefit while adding dramatic dark elegance to living spaces. [source]

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Statement Houseplant & Interior Design

Craft

The striking dark burgundy-black foliage makes Black Prince an excellent focal point for modern, tropical, or eclectic interior design schemes. Large leaves create visual drama and sophistication in any room. [source]

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Leaf Cleaning & Plant Care

Household

The glossy, large leaves benefit from regular gentle cleaning with a soft, damp cloth and distilled water, which keeps them vibrant and enhances light absorption. Monthly cleaning maintains the plant's striking appearance. [source]

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Traditional Food Source

Culinary

While the Black Prince variety is ornamental, the rubber plant species has historical use in some cultures as a food source, with leaves and latex having been utilized in traditional preparations. [source]

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Traditional Medicine Applications

Medicinal

In Ayurvedic and traditional Southeast Asian medicine, rubber plant latex and leaves have been used to support digestive and skin health, though modern scientific evidence is limited. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

N/A for ornamental plant; harvest leaf cuttings for propagation: cut 4-6 inch stems just below a node using clean shears. Propagate in water or moist perlite. Allow sap to dry on cuts before handling.

Fun Facts

🌱 The 'Black Prince' cultivar produces near-black new growth that gradually darkens as it matures, with rich burgundy undertones that become more pronounced under intense light conditions.
🌱 Rubber plants naturally produce a white latex sap that was historically harvested from wild trees and processed into commercial rubber; handling the plant's sap can cause skin irritation in sensitive individuals.
🌱 The rubber plant is native to South Asia (India and Indonesia) and can grow into massive 100+ foot trees in tropical rainforests, but indoors it typically reaches 3-10 feet depending on conditions and pruning.

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