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Ficus elastica Robusta, commonly known as the Rubber Plant Robusta, is a classic and enduring tropical houseplant admired for its broad, glossy green leaves, upright structure, and easy-care nature. A member of the Moraceae family and native to the tropical rainforests of Southeast Asia and India, this cultivar is valued for its bold, sculptural form and rich, evergreen presence.
The large, leathery leaves are deep emerald-green with a lustrous finish and a prominent central vein. New leaves emerge from a striking red sheath before unfurling into smooth, glossy foliage. Compared to other Ficus elastica varieties, Robusta is noted for its particularly thick, sturdy leaves and vigorous, upright growth.
Elegant, resilient, and timelessly stylish, Ficus elastica Robusta is a cornerstone of tropical interior design adding structure, vitality, and sophistication to both modern and classic settings.
Thrives in bright, indirect light, though it adapts well to moderate lighting. For the healthiest growth and glossiest leaves, provide consistent brightness. Avoid prolonged exposure to harsh direct sunlight, which can scorch the foliage, or low-light conditions, which may slow growth and cause leaf drop.
Water when the top 35 cm of soil feels dry. Keep the soil lightly moist but not soggy. Overwatering is the most common issue with Rubber Plants always ensure the pot drains freely. During winter, reduce watering frequency as growth slows.
Temperature: Prefers warmth between 1828 C; avoid temperatures below 15 C.
Humidity: Tolerates average indoor humidity (4060%) but appreciates occasional misting in drier conditions.
Use a well-draining, rich potting mix, such as compost blended with perlite and pine bark. This combination allows good airflow and balanced moisture retention. Repot every 23 years in spring, using a slightly larger pot to accommodate steady root growth.
Feed every 46 weeks during spring and summer with a balanced liquid fertiliser or one formulated for foliage plants. This supports vibrant leaf colour and strong growth. Suspend feeding in autumn and winter when the plant is semi-dormant.
Prune occasionally to shape and encourage branching. Remove any yellow or damaged leaves at the base. Wipe the leaves regularly with a damp cloth to remove dust and enhance their natural gloss. Rotate the plant every few weeks to ensure even growth.
A moderate to fast grower, Ficus Robusta can reach 23 metres tall indoors when mature. Its sturdy, upright growth habit and symmetrical form make it a striking focal point in any space. Over time, it can develop a woody trunk, giving it the appearance of a small indoor tree.
Yellow leaves: Overwatering or poor drainage.
Dropping leaves: Sudden temperature changes, low light, or inconsistent watering.
Brown edges: Low humidity or direct sunlight.
Pests: Occasionally mealybugs or scale; treat with neem oil or insecticidal soap if detected.
Native to Southeast Asia and parts of India, Ficus elastica is a canopy tree that can grow up to 30 metres tall in the wild. The Robusta cultivar was developed for its strong, upright habit and extra-thick, glossy foliage, making it one of the most durable and adaptable houseplants available.
In addition to its visual appeal, Ficus elastica Robusta is an effective air-purifying plant, known for filtering indoor toxins such as formaldehyde and benzene. Its bold presence adds structure and calm to interiors, symbolising resilience, vitality, and prosperity in many cultures.
Light: Bright, indirect light; tolerates moderate light
Water: Allow top 35 cm of soil to dry before watering
Temperature: 1828 C; avoid below 15 C
Humidity: Moderate (4060%)
Soil: Well-draining mix compost, perlite, bark
Feed: Every 46 weeks in spring/summer
Growth: Upright tree-like habit, 23 m; large, glossy green leaves with red new growth
Toxicity note: Contains latex sap that can irritate skin and is toxic if ingested. Keep away from pets and children.
Display Ficus elastica Robusta in a tall ceramic or concrete planter to complement its architectural form and bold foliage. Its rich green leaves pair beautifully with lighter tropicals like Aglaonema White Joy or silver-leaved varieties such as Scindapsus treubii Moonlight. Place it in a bright living room, office, or hallway as a natural statement piece that conveys strength, elegance, and tropical serenity.