How To Look After A Rubber Plant. The soil pH of 50 to 60 is best for rubber cultivation. Half-strength houseplant fertilizer will do just fine.
Just remember to use a slightly larger pot that drains and filled with a rich soil mix that drains well and doesnt have a tendency to remain too wet. In the growing season summer the plant should be kept moist. Keeping the leaves moist will help them absorb sunlight.
However rubber plant also thrives in red alluvial soils if there is a good organic matter in the soil.
Keeping the leaves moist will help them absorb sunlight. Rubber plant leaves can collect a LOT of dust so it is important to keep them clean so the can photosynthesize better and this also helps deter pests. Its easy to care for your rubber tree. Another easy way tell if you have watered it too much is if after 30 minutes there is still water remaining in the tray throw this water out.