The cause is overwatering.
Rubber tree plant leaves curling under.
Rubber plant is a hardy species that tolerates dry soil quite well so prefer staying on the under watering side.
Acclimating the plant slowly when you bring it indoors and shining a few plant lights on the rubber tree will help keep the light levels up and keep the rubber plant from losing leaves.
If your rubber tree plant seems to be losing lots of leaves for no apparent reason you need to investigate and address potential issues with light temperature moisture pests and fertilizer.
If the older leaves usually the largest ones at the bottom are becoming yellow or brown that s a sign of overwatering.
About the rubber tree houseplant.
The cause of leaves dropping is under watering.
The over temperature and extreme cold could be the reason for rubber plant leaves curling and drooping.
When the leaves start drooping it is an indication your plant needs more water.
Rubber plant ficus elastica is a distinctive plant easily recognized by its upright growth habit and thick glossy deep green leaves rubber plant thrives outdoors in usda plant hardiness zones 10 and 11 but it is grown as an indoor plant in most climates.
Rubber plants ficus elastica make attractive and bold statements when used as houseplants and are typically hardy and easy to maintain when grown indoors however a number of problems can cause curling of your rubber plant leaves affecting the health and looks of these tropical beauties.
Curling leaves on rubber tree plants are usually indicative of too little water.
And you know why do the rubber plant leaves droop is one of the most asked questions in the gardening forum.
If the soil is wet or damp and plant leaves dropping.
Rubber trees have multiple trunks and thick fleshy leaves with a glossy dark green sheen.
The best way to check is by inserting your finger into the soil up to an inch and see if it feels wet at all.
A few rubber tree leaves may fall off the plant with the change from summer to fall when light levels change.
Although the plant is relatively trouble free it can fall prey to various pests and diseases that can cause leaf curl on rubber plants.
Photo by b navez licensed under cc by sa 3 0 why do the leaves droop or curl.
The rubber plant ficus elastica could be the ideal houseplant for you if you want a tough but easy going indoor plant that can reach staggering heights within just a few years the shiny glossy leaves look great in most homes and although young plants start off small they will fill the space in an empty corner quickly.
The best way to check is by inserting your finger into the soil up to an inch and see if it feels wet at all.
Predisposed to enjoy partial shade rubber tree plants grow to heights between 2 and 10 feet tall indoors.