When temperatures drop below 40 degrees f a rubber tree plant may display irregularly shaped brown spots on established leaf surfaces.
Rubber tree leaves brown spots.
Rubber trees have multiple trunks and thick fleshy leaves with a glossy dark green sheen.
Predisposed to enjoy partial shade rubber tree plants grow to heights between 2 and 10 feet tall indoors.
But indoors a rubber tree typically tops out at 6 to 10 feet tall.
Those plant leaf spots are caused by one of nature s most basic organisms.
Symptoms include the appearance of yellow or white spots and patches on the leaves.
The spots may turn brown as tissue dies and the leaves may fall off the plants.
Younger leaves may become malformed and turn from green to brown according to the pennsylvania state university cooperative extension.
Rubber trees ficus elastica are broadleaf evergreen trees that grow about 25 feet tall in the landscape.
When the plant is well hydrated leaves are strong and firm holding up well with a nice waxy glow.
Rubber tree plants suffer from disease when grown in improper climates.
Plants with spotted leaves.
And while there are many reasons for plain old brown spots when those spots look like little brown bull s eyes the answer my friends is fairly simple organism wise that is.
Caused by a bacteria called xanthomonas campestris it is characterized by tiny oozing spots that appear on the leaves eventually causing them to yellow and die.
This can happen when plants that are used to low light are moved to a brighter spot.
Outside their hardiness area of u s.
Xanthomonas leaf spot is one of the most common diseases found in rubber trees.
Once you notice brown spots a disease is already present.
The rubber plant is one of my favorite invincible houseplants because i know it will soon recover from this little mishap.
If the air is too dry the tips will dry out first and the yellow brown spots will grow inwards.
They re fast growers with the right light conditions and can last 15 years or more with proper care.
Rubber plants suffer from sunburn when they re suddenly exposed to too much light.
Brown spots on my ficus rubber tree s leaves.