Rubber tree's leaves are a bit droopy, could this be too much direct sun? (They all used to point upwards like the one on the back right) : r/plantclinic
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How To Care For A Rubber Plant (Ficus Elastica) - Smart Garden Guide
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A Complete Guide To Caring For Rubber Plants and Answers to Why Yours Might Be Dying • Vintage Revivals
Rubber plant | Rubber plant, House plants, Herbal plants
Rubber Plants: Ultimate Growing Guide and 16 Common Problems