Rubber Plant
Ficus elastica
Evidence Level
Moderate
Sources
6 Reviewed
Knowledge Ver.
KGS v1.0
Last Reviewed
June 2026
What do you want to do?
Decision Planners
Customized watering and soil recommendations based on KGS v1.0 data.
Environmental Context
Watering Recommendation
Soil Recipe
Recommended next actions
Next Best Actions
Use calculators and guides to turn this plant profile into a practical care routine.
Guide
Houseplant Edema: Causes, Treatment & Prevention Guide
After 12 years of diagnosing more than 3,000 indoor plant health cases, we have found that edema is one of the most frequently misdiagnosed houseplant disorders. Plant owners often mistake it for pests or fungal disease when the real cause is a mechanical imbalance between root water uptake and leaf transpiration.
Guide
ZZ Plant Care Guide: Light, Water & Rhizome Tips
After growing ZZ plants across offices, low-light apartments, and sun-drenched rooms for over eight years, we have worked out exactly how this rhizome-powered survivor operates — and why the growers who kill it are almost always doing one specific thing wrong.
Guide
Fertilizer Burn on Houseplants: Symptoms & Fix Guide
Fertilizer burn is one of the most misdiagnosed houseplant problems because its symptoms — brown tips, wilting, yellowing leaves — are nearly identical to overwatering, underwatering, and root rot. The treatment for root rot is opposite to the treatment for fertilizer burn, which means getting the diagnosis wrong makes the plant worse. This guide is built around that diagnostic problem first.
Calculator
Plant Watering Calculator: How Often to Water
Calculate the correct watering frequency for your plant based on species, pot size, soil type, season, and climate.
Calculator
Plant Light Calculator: Find the Best Window for Your Plant
Determine the ideal indoor light placement for your plant based on species, window direction, and seasonal light availability.
Quiz
Get My Plant Map
Answer a short placement quiz for direction, room, light, and care-fit recommendations.
Troubleshooting Guide
1 Why are the leaves of my Rubber Plant turning yellow and dropping?
Diagnosis: Overwatering – root rot
2 Why is my Rubber Plant not growing?
Diagnosis: Insufficient light
Treatment: Move to a brighter spot with indirect light; new leaves will appear.
Prevention: Provide bright indirect light.
3 Why are the leaves getting brown spots?
Diagnosis: Sunburn or bacterial infection
Treatment: If sunburn, move to filtered light; if bacterial, remove affected leaves and improve airflow.
Prevention: Avoid direct afternoon sun; ensure good circulation.