Ficus elastica · also called Rubber fig, Rubber tree, Indian rubber bush, Ficus robusta
⚠ Mildly toxic
Can cause mild irritation or GI upset if chewed.
A handsome, upright tree-form houseplant with large, thick, glossy leaves in deep green or burgundy. Tougher and more forgiving than its cousin the fiddle-leaf fig, it makes an easy, striking floor plant.
ℹ️
Educational only. KinStation content is reviewed by licensed veterinarians but cannot replace an in-person exam. Always consult a licensed veterinarian or board-certified specialist for diagnosis, treatment, or any decision affecting your pet's health.
Quick facts
Category
Foliage
Family
Moraceae
Native origin
Tropical regions of South and Southeast Asia (northeast India to Indonesia)
Care difficulty
Beginner
Light
Bright indirect
Pet toxicity
Mildly toxic
Light
Rubber plants prefer bright, indirect light, which keeps them full and brings out the rich color of burgundy and variegated cultivars. They tolerate medium light but grow slower and leggier, and variegated forms lose contrast in low light. Some morning sun is fine; harsh midday sun can scorch the leaves.
Water
Water when the top inch or two of soil dries, soaking thoroughly and draining the excess; let it dry a bit more in winter. They prefer evenly moist (never soggy) soil and dislike both extremes. Overwatering causes lower-leaf yellowing and drop, while severe dryness causes the edges to crisp.
Soil & potting
Use a well-draining, all-purpose potting mix, amended with perlite for aeration. Good drainage is important to prevent root rot. As they can grow into sizeable plants, repot every year or two when roots fill the pot, stepping up one size.
Environment — humidity, temperature, placement
A warm tropical, the rubber plant likes temperatures above about 60F (15C), steady conditions, and protection from cold drafts and sudden moves, which can trigger leaf drop. It appreciates moderate humidity. Wiping the large leaves with a damp cloth keeps them glossy and dust-free for better light capture.
Propagation
Propagate from stem-tip cuttings or by air-layering, which is especially reliable for this woody plant. Cuttings ooze a milky latex when cut, so let the cut callus and wear gloves; root them in moist mix with warmth and humidity. Air-layering produces a rooted plant on the stem before you sever it.
Toxicity detail
Mildly toxic to cats and dogs. The ASPCA lists Ficus (rubber plant / rubber tree) as toxic; the milky latex sap can cause oral and skin irritation and, if ingested, vomiting and diarrhea. The sap can also irritate human skin. It is generally considered mildly toxic rather than dangerous, but it should still be kept away from pets, and a veterinarian contacted if a pet ingests it or shows a reaction. Source: ASPCA Animal Poison Control toxic-plant database.
Origin & history
Ficus elastica is a tropical Asian tree that grows into a towering, buttressed giant in the wild and was historically tapped for its latex to make rubber before Hevea brasiliensis took over commercial production. Its living aerial roots are still trained into the famous living root bridges of northeastern India. As a houseplant it has been popular since Victorian times and remains a favorite easy-care floor specimen.
Growth stages
How this plant changes through its life — each stage often has its own care, diet and space needs.
Photo coming soon
Seed
Most plants begin as a seed (or spore in ferns) — a dormant package holding the embryo and a food reserve within a protective coat. Given moisture, warmth, and sometimes light, the seed breaks dormancy and germinates.
Photo coming soon
Seedling
The seedling emerges with a root and its first leaves (cotyledons), then true leaves. It is tender and shallow-rooted, dependent on steady moisture and light as it establishes the beginnings of stem and root systems.
Photo coming soon
Vegetative growth
In the vegetative phase the plant focuses on growing roots, stems, and foliage, building the size and structure it needs before flowering. This is the main period of leafing out and, for many houseplants, the stage at which they are grown and propagated.
Mature / Flowering
A mature plant reaches its full habit and, when conditions and age allow, flowers and sets seed (or, for foliage plants, simply attains its full adult size and form). This is the stage shown in most reference photos.
Problems & solutions
Each problem lists a proven fix (horticulture / extension-backed) and, where useful, an anecdotal remedy from the grower community — clearly labeled so you can judge for yourself.
Lower leaves yellow and drop
mild
Symptoms:Older, lower leaves turn yellow and fall, sometimes several at once.
Likely cause:Most often overwatering; can also follow a sudden change in light, temperature, or location, or natural shedding of the oldest leaves. Rubber plants are sensitive to being moved.
✓ Proven fix
Let the top inch or two of soil dry before watering and ensure good drainage. Keep the plant in a stable spot away from drafts, and give it time to adjust after any move rather than relocating it repeatedly.
◇ Anecdotal remedy — grower lore, unverified
Growers often note that a rubber plant 'sulks and drops a few leaves' after being moved, then settles down once left alone in one bright, stable spot.
Brown, crispy leaf edges
mild
Symptoms:The margins of the leaves turn brown and dry.
Likely cause:Underwatering, low humidity, or salt buildup from fertilizer or tap water; cold drafts can also brown the edges.
✓ Proven fix
Keep watering consistent so the soil does not bake dry, raise humidity, and flush the soil occasionally to clear salts. Move the plant away from heat vents and cold drafts.
◇ Anecdotal remedy — grower lore, unverified
Some keepers report that simply dusting and lightly misting the big leaves, and watering on a more regular schedule, ends recurring edge browning.
Leggy plant with sparse leaves
mild
Symptoms:The plant grows tall and bare-stemmed with leaves only near the top.
Likely cause:Insufficient light, causing stretched growth and loss of lower leaves. Lack of pruning also leaves it single-stemmed and top-heavy.
✓ Proven fix
Move it to brighter indirect light. To encourage branching and a bushier shape, prune the top — the plant will push out new shoots below the cut — and root the cutting if you wish.
◇ Anecdotal remedy — grower lore, unverified
Growers commonly 'top' a tall single-stem rubber plant to force it to branch, reporting a fuller, multi-headed plant within a season.
Anecdotes & grower lore
Community experience and cultural notes — not horticultural guarantees. Conditions vary by home; treat these as colour, not prescriptions.
Rubber plant lore centers on the milky 'rubber' sap — children of earlier generations were shown how the cut stem bleeds white latex, and growers warn each other to keep it off clothes and furniture. Many keepers treasure a rubber plant as a low-drama alternative to the famously temperamental fiddle-leaf fig, joking that it offers 'the big-leaf look without the tantrums.' The burgundy and variegated 'Tineke' and 'Ruby' cultivars are especially passed around among collectors.
Reviewed and signed off by: KinStation Editorial — pre-launch draft (pending horticulture review) on 2026-05-28
