Curling leaves on rubber tree plants are usually indicative of too little water.
Rubber tree leaves curling up.
If the air is too dry the tips will dry out first and the yellow brown spots will grow inwards.
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.
Plants too close to high intensity lights are prone to heat stress but it can be a problem in any room where temperatures are persistently.
When the plant is well hydrated leaves are strong and firm holding up well with a nice waxy glow.
The behavior you describe is not at all natural for a rubber tree.
The grass quickly slurps up the sprinkler s water leaving your tree thirsty.
Answer from nga february 23 2001.
The upper leaves are most affected.
On the contrary if the plant is under watered all the leaves will become softer or droopy not only the bottom ones.
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.
Curling leaves may indicate that it needs more soil.
Rubber trees ficus elastica do best with little light and very little water.
It can build up in the soil quickly and destroy plant roots.
Rubber plants consume soil so when investigating the cause of curled or droopy leaves check the soil level.
A sparse canopy of off color and undersized leaves leaf scorch or yellowing leaves.
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.
With some general rubber tree plant know how and a few common garden materials you can help prevent further leaf loss and reclaim the health of your plant.
If the roots are starting to show a bit add enough dirt to cover the roots and give it a little water.
Although the plant is relatively trouble free it can fall prey to various pests and diseases that can cause leaf curl on rubber plants.
Untimely fall color and early leaf drop.
Curling leaves on rubber plant knowledgebase question.
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.
Heat stress causes rapid evaporation so plants curl up to conserve moisture.
Edges of leaves curl inward and form a cup even when the lights are off.