Monsteras are stunning houseplant love for their attractive foliage . While they are relatively easy to care for , Monsteras are not immune to problems and disease which can imperil the wellness and visual aspect of the plant . One such problem is bacterial leaf patch .
Bacterial folio spot on Monstera is a vulgar disease that affect this plant . know what to look for , as well as how to treat and prevent the problem , is lively to ensure your Monstera lives a long and hefty life history .
Table of Contents

Easy Monstera Care Guide đż
â deprivation one?Grab aclassic Monstera hereor  asmaller Monstera Adansonii here !
đ§ H2O : Water when the top 2 - 3 inches of soil feel juiceless . Monsteras prefer consistent wet but do nât like sitting in soggy soil .

đ± Soil : Use a well - draining potting mix -I personally usethis tropical potting mix . A mix with peat , perlite , or coco coir is heavy for obviate mucky base .
â ïžLight : shiny , collateral light source is idealistic . Direct sunlight can sear their leaves , while low light may slow growth .
đĄ ïžTemperature : Monsteras boom between 65 - 85 ° F ( 18 - 29 ° snow ) . Keep them away from order of payment and sudden temperature changes .
đż Fertilizer : Feed with a balanced , water - soluble fertilizer ( my top pick isthis Miracle - Gro one ) once a month during spring and summer . Skip course in fall and winter .
Signs ofbacterial leaf spot on Monstera
know the signs of bacterial leafage smirch on Monstera can help you promptly distinguish the problem .
1. Dark spots on leaves
The most common symptom of bacterial leafage position is gloomy spots pelt the monstera leaves . These spots typically appear as the first sign that something is wrong with the Monstera .
2. Spots with yellow halos
Some of the spot you see may appear brownish in colour with a yellow halo .
3. Spots range in size
The spots that occur are irregular and have a breadth of about 3/16 - inch to 1/2 - inch . The spots can be either rotary or more irregular in shape .
4. Water-soaked spots
You may also see spots appearing on the parting that are water - soaked , though these typically occur on erstwhile leaves .
5. Leaf collapse
Once the disease march on , the affected leaves will collapse . You may see a few or several morbid leaves litter the top of the Monstera âs soil . ensure to remove and toss away these leaves as presently as possible .
6. Dry and papery spots
honest-to-goodness spots will take off to dry out and produce a papery - like grain . Even when they become teetotal , the spots will still have a drab brown , black , or reddish color to them .
7. Discoloration of the leavesâ edges
You may also notice the edges of your leaves look discolored . This ordinarily occurs after the spots have appeared on the foliage .
8. Oozy leaf spots
The spot that appear on the farewell may begin to ooze a mucilaginous bacterial substance . This may or may not occur , and when it does , it can appear on both honest-to-god and novel position .
9. Leaf spots run together
When the flora is subjected to overly plastered term , the folio spots can initiate to enlarge and run together . This can result in large circumstances of the leave appearing as one big spot .
10. Unpleasant odor
Bacterial leaf spots can cause the Monstera to smell unpleasant . As the disease progresses , the plant will give off an odour that may smell musty or like rotting leaf .
How do you treat bacterial leaf spots on Monstera?
Because there are no effective chemical substance treatments for bacterial leafage spot on Monstera , gardeners are left using mechanical ascendence options to handle the disease .
1. Reduce watering
Overwatering is one of the most common effort of bacterial and fungal problem , such as bacterial leaf billet . If you find thisdisease on your Monstera , reduce the amount of water you give the plant life . check that to only water the industrial plant when the top few inches of territory experience dry .
2. Reduce the humidity level
humidness is another affair that can aggravate and cause bacterial leaf spot on your Monstera to get unsound . trim down the humidness layer will go a long direction to aid the flora recoup from this disease .
One direction to reduce humidness is to move out any pebble tray you may have the hatful sitting on , or youâre able to habituate a dehumidifier to pull the piddle from the air .
3. Increase airflow
Good airflow is needed to keep the leafage of the Monstera ironical and detached of disease . If you have the plant life too close to other works , you will necessitate to move the Monstera to another emplacement where it is nât too crowded . call back , the air needs to feed through the plant and touch the airfoil of all the leaves .
4. Prune infected leaves
Remove and discard infected leaves . Keep in mind , however , that you should nât excessively clip the plant life , since removing all or absolute majority of the leaves is nât serious for the Monstera .
A good worldwide ruler of thumb is that , if more than one - third of the plant is infected , prune the works over a time period of time and not all at once .
5. Isolate the plant
Keep the infected industrial plant away from other industrial plant to help stop the paste of bacterial leaf spot . Furthermore , forbear from too touching the plant life and always sanitize pruning shears after using them on the morbid Monstera .
6. Apply copper fungicide
chemic treatments are not in effect once the disease sets in . If , however , you spot the job too soon enough , you might be capable to see to it the bacterial leaf patch with copper fungicide . verify to follow the software operating instructions find on the fungicide âs recording label .
How to preventbacterial leaf spot on Monstera
Once bacterial leaf spot attacks the Monstera , it can be unmanageable to get rid of . That is why it is better to prevent bacterial foliage post before it has a chance to take hold of your plant .
1. Avoid overwatering
Overwatering plants is one of the immediate ways to ensure they experience bacterial and fungal job . To help keep your Monstera tidy , only water when the dirt begins to feel dry .
To essay the soil , stick in your finger’s breadth about 2 inch deep into the grunge . If it sense damp , wait a day or two and essay the grunge moisture again .
2. Properly care for the Monstera
allow the monster with the ideal arise conditions will go a long way of life to stay fresh the works happy and healthy . This also prevent bacterial leaf spot from pass off .
what is more , if the Monstera does experience an offspring , they are more likely to regain apace if they are strong and healthy from the scratch line .
Miracle - Gro Tropical Potting Mix
â â â â â
Thebest soil for Monstera plants , specially made for tropic verdure . Packed with nutrient and lava rock for great drainage , it keeps your Monstera healthy and thriving
3. Donât overcrowd the plant
When industrial plant are placed too close together , it can block the air from flowing freely through the industrial plant . Without good airflow , any moisture that appears on the leaves of the Monstera wo nât dry out properly , which increase the chance of diseases , such as bacterial folio point .
4. Remove any fallen leaf debris
folio junk that is left to sit on the top of the Monstera âs ground can promptly become a host for pestilence and job . Not only does it increase the chance of the industrial plant acquire bacterial leaf spot , but it also encourages bunk , insects , and various other fungal problems .
Whatâs the difference between fungal leaf spot on Monstera and bacterial leaf spot?
leafage spots on monstera can be because of either bacteria or fungus . Both type of leaf spots bet alike and can be grueling to distinguish between the two . The good word , however , is that both fungal and bacterial leaf spots have the same handling and bar measures .
It is extremely difficult to tell the difference between fungal and bacterial spot on Monstera . In fact , it is so difficult thatmost gardeners do nât even bother attempt to limit whether it is a fungus or a bacteria causing the problem . Instead , they act tight and treat the issue . This is because both fungous and bacterial leaf spots expect the same treatment and even have the same preventive criterion .
The most important matter is toquickly spring into action to moderate the leaf spot before they take their price on your Monstera . Once you have the issue under control , take the necessary preventative sustenance footstep to keep the spots from returning .
Some of the independent differences in fungal leaf spot vs bacterial leaf situation on Monstera are outlined below .
1. Appearance of spots
Bacterial foliage spot be given to have a more angular appearance compared to fungous leaf spots . However , this is nât a hard and degraded normal .
2. Yellow halo around spots
Bacterial leaf speckle may also have a yellow-bellied nimbus around them . But not all smear because of bacteria have that halo and many can appear without it .
3. Soft rot can occur on the leaves
Sometimes , bacterial folio spots will induce the leaves to develop soft rot . This can occur at the tip of the leaf and extend upward , or it can appear in the centre of the leaf . Unfortunately , there are also some fungal pathogen that can do the same type of piano guff .