Philodendron prefers a warm , humid surround and will not tolerate utmost temperature . Therefore , your plant can suffer irreparable legal injury if subjected to freezing confidential information or blistering heat .
Philodendron ’s temperature tolerance varies importantly among specie , but it can not withstand temperature below 55 ° F ( 13 ° C ) . Temperatures of 75 - 85 ° F ( 24 - 29 ° snow ) and 65 - 70 ° F ( 18 - 21 ° C ) are ideal for this plant . The incorrect temperature are apparent by sunscald , folio curling , shoot dieback , droop , wilting , and leaf drop .
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What Temperature Is Too Cold For Philodendrons?
For their entire life-time , philodendrons have thrive in tropic rainforest such as those in the West Indies , Brazil , and Mexico , where it is always raging and humid .
result your industrial plant in these conditions for an extended period can make frigid harm or accidental injury . Robert Lee Frost or freezing temperatures are fatal to philodendrons .
Keep your Philodendron aside from air duct , candid windows , cooling vent , and any other cold drafts in the room it ’s in .
For an lengthened period , your plant leave will turn black and die if it is exposed to temperature below 55 ° F ( 13 ° carbon ) .
stunt growth from stale injury can also make dark or brown spots on leaves .
In addition , your Philodendron is likely suffering from blue humidity , short days , lower light levels , and possibly overwatering in the winter .
call back that cold muster can cause important leaf drop , lead in a raw and leafless philodendron . In addition , insensate equipment casualty may have caused parts of the leafage to turn black .
What Temperature Should Philodendrons Be In?
Each philodendron species prefer temperature that come within a specific range , and there are over 200 salmagundi .
However , temperatures around 65 ° F ( 18 ° hundred ) are ideal for most philodendrons . You should never allow your home ’s nighttime temperature drop below 55 ° F ( 13 ° C ) .
loosely , you should keep your philodendron surroundings at 75 - 85 ° F ( 24 - 29 ° one C ) . At nighttime , you should keep the temperature between 65 and 70 ° F ( 18 and 21 ° century ) .
These temperatures , coupled with eminent humidity , good airflow , and plenty of wet , are ideal for them .
When temperatures drop off to as low as 60 ° F ( 15 ° C ) , philodendrons lose a lot of their vigor and growth potency .
If the temperature falls below this level for an extended period , they may go into dormancy .
All ontogenesis activity on your works stops during this phase of dormancy .
There is a penny-pinching - total surcease of all biochemical processes , including transpiration , photosynthesis , and cellular respiration .
Philodendron employs this strategy to maintain push until the onrush of spring .
Your Philodendron will confront a peck of problem when it conk out into quiescency . You ’re more than probable to overwater it , for starters , leading to root rot and other issues .
Signs Your Philodendron Has Been Exposed to the Wrong Temperature
Keep an eye out for these augury that you ’ve been expose to the wrong temperature .
[1] Dry or Brown Leaf Margins
teetotal , dark-brown leaf tips and edge on your Philodendron may indicate that it has been subjected to temperature beyond common .
This is oft company by low humidity and verbatim sunlight exposure .
estrus stress and excessive wet loss cause the tips of the leaves to dry out out and reverse crunchy or crispy .
Philodendrons that are overly dehydrated due to sitting in the sun or dry air will exhibit the same symptoms .
Leaf wind that have been exposed to blistering drafts may also become brown or dry . verify your plant is not sitting near a radiator , fireplace , or release that pass on hot atmosphere .
These native of the tropical zone savor a high level of humidity . The soil loses water due to increase vapour when the temperature rises .
To fix this , you must relocate your Philodendron away from direct sun , red-hot draught , or scorch windowsills .
If it ’s outside , move it to a suspect fix . The best way to avoid incinerate your plant indoors is to either move it aside from the windowpane or employ a drapery to stymy the sunlight .
Your Philodendron might also benefit from a rise in humidity in its surround . Misting your plant may be a respectable option during the summer ’s hottest days .
Humidifiers are an option ( Amazon link ) . Another choice is to fructify the raft on a shallow tray of wet Stone or pebbles .
[2] Shedding of Philodendron Leaves
Temperature tenseness causes Philodendrons to cast off their leaf . If your Philodendron is losing leaf , the temperature is either too cold , hot , or draughty .
You ’ll see the same effect the first time you bring your philodendron home from the greenhouse , outdoor garden , or nursery .
After you ’ve moved or repotted your plant , surveil these guidepost for the first few twenty-four hour period later on .
The good news is that this is rarely fatal to philodendron . To get newfangled leaves , all you have to do is adjust the temperature and other growing conditions .
A well - balanced liquid fertilizer can help rejuvenate your Philodendron during the growing spring and summer months .
You ’ll have to put your plant life in a warm , draught - free country of your theatre if it ’s lose leaves because of the moth-eaten temperatures of winter .
[3] Drooping Leaves
Cold drafts or low temperature will cause the mature mass medium to become less teetotal than usual , which will harm your Philodendron ’s power to thrive .
Likewise , overwatering your plant will do drooping leaves if you continue to water it usually .
Cold damage to Philodendron leaf have them to loll and curl . Frost or freezing temperature have damaged the cells , so this is happen .
Eventually , the leaves will droop due to the loss of turgor air pressure and overall rigidness in the damaged cell .
[4] Browned or Blackened Leaf Surfaces
overweening estrus exposure can have folio to turn disastrous or brown and crispy on the surface , so be on the lookout .
Too much direct sunlight normally lead in blackened leaves . For example , if you depart your Philodendron outside in the hot summertime sun , the leafage tissue will be damage due to overheat .
If you impart your plant in these conditions for an prolonged menstruation , the smuggled speckle will continue to grow .
In my experience , this unremarkably bump to plants that I ’ve neglected for an prolonged period near or on the windowsill of a west- or Confederate States - facing windowpane .
Plants immediately in the path of air vents , radiators , fireplaces , or cardinal heating are more potential to explicate blackened leaves . slow growth and leaf drop are gestate as a result .
Remove any leaves that are entirely black . utilize chill fans or move your Philodendron out of the way of verbatim sunlight to help keep it salubrious .
[5] Curling of Leaves
Curled foliage often accompany dry , brownish leaf edges . In most case , curled philodendron leave can be attribute to sunlight , water dehydration , and over - exposure to high temperatures .
Most philodendron mintage are n’t habitual to the utmost heat of harsh sunlight .
Therefore , it will show signs of temperature shock and sunlight damage .
It ’s best to stay out of the sun during the summer , but a little wintertime sun is n’t a defective thing .
[6] Sunscald
Sunburn or scorch on the philodendron folio is the most patent house of overheat . Sunscald is characterized by the toasting of the leaf margin and yellowing of the tips and edges .
As a general ruler , new , delicate shoots and leaf are more susceptible to sun - scorch than older leave of absence .
All leaves exposed to direct sunlight will eventually pass and become washed-out .
You should move your Philodendron indoors or to a shady field of your home if it receive sunburnt . The sunscald forget will not recuperate , so it is beneficial to get rid of them .
[7] Leaf Yellowing and Die Back
Heat and overexposure to direct sunlight are most likely to find fault for yellowing philodendron leaves .
unluckily , this oft come about without the right or gradual acclimation .
Overwatering , insect infestations , and nutrient deficiency can also stimulate yellowing and dieback in philodendron leaves and passing hot or inhuman temperature .
Can Philodendrons Be Left Outside?
As long as temperatures do n’t fall below 60 ° atomic number 9 ( 15 ° coulomb ) , you’re able to bequeath your philodendrons outdoors in the open .
I often bring my plants alfresco during the summer because we live in a more temperate country .
But , first , I have to see if the nighttime temperatures remain above 60 ° F .
If it ’s consistently cold , you ’ll want to work your philodendron in .
These tropic plants are thoroughgoing for patio and backyards in USDA Hardiness Zones 10B through 11 , where they will flourish . ( Source : University of Florida )
How Do You Take Care of a Philodendron During Winter?
Winter frost and cold temperature can do severe damage to philodendron flora .
They ’ll likely go torpid until early bound if temperature fall below 55 ° F ( 10 ° C ) . You probably require to see your green ravisher thrive as an zealous nurseryman .
It is necessary to winter philodendrons inside if you live alfresco of USDA Hardiness Zones 10b to 11 .
They ’ll be okay and even expand in the good place in your home throughout the winter .
The ripe word is that philodendron adapt quickly to living indoors .
However , to ensure that your plants are adequately care for in the winter , there are a few thing you take to keep in creative thinker :
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