peacefulness lily , Spathiphyllumspp . are easy houseplants that seldom stand from disease issue when provided with the correct tutelage .
In fact , they are so easy to grow that Dr. Leonard Parry , Horticulture Professor at the University of Vermont say that they have been called the “ arrant houseplant . ”
In ourguide to growing peacefulness lilies , we overlay how to train these popular flora indoors .
Photo by Mary Ann Hansen, Virginia Polytechnic Institute and State University, Bugwood.org, viaCC BY-SA.
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For best results , they demand a locating that invite six to eight hours of bright , collateral sunshine , and well - drain dirt .
Applying fertilizeronce a calendar month during the maturate season , water when the top column inch of soil dries out , and occasional repotting is just about all that ’s want to keep them happy .
Photo by Mary Ann Hansen, Virginia Polytechnic Institute and State University, Bugwood.org, viaCC BY-SA.
However , while it does n’t happen often , these tropic foliage plants can sometimes fall prey to disease .
In this guide , we ’ll cover the most common diseases that can affect peace lily , and what you could do about them .
Common Peace Lily Diseases
1 . Cylindrocladium Root Rot
2 . Dasheen Mosaic Virus
3 . Leaf Blight
4 . Pythium Root Rot
These diseases are primarily a problem when commercial-grade growers have heavy - scale plantings of peace lilies to produce them for sale .
You should be able to avoid these issues by purchasing your peace of mind lily from a reputable nursery , and inspecting it before you bring it home .
pick out healthy specimens , and ward off those with yellow-bellied leaves , mold on the airfoil of the potting soil , and wilt foliage .
Cylindrocladium origin rot is a fungal contagion caused byCylindrocladium spathiphylli .
Your houseplant can be vulnerable to this disease if it is overwatered , or is planted in filth that lack adequate drainage .
In quick , moist stipulation , this fungus can destroy the intact root system in the blank of a few weeks to a few months .
It can be hard to detect , because the putrefaction can shape up for several weeks before the peace of mind lily shows any symptoms of transmission on its folio .
Typically , the first you ’ll notice of this transmission is the yellowing of the lower leaves , and mayhap wilt leafage .
On nigh test , the leave of absence and petioles may also havedark brown spots , particularly on the low-pitched portions of the leafstalk .
By the time you notice this discoloration , it ’s likely that the roots are sternly rotten , and you have little hope of saving your ataraxis lily . Discard the plant life and all the soil from the pot into the scrap .
You ’ll necessitate to sterilize the good deal if you bid to recycle it , as the fungus produces infectious resting complex body part calledsclerotiathat can survive in soil and organic matter .
rule more confidential information on preventing rootage rot here .
This viral disease causes a mosaic pattern of yellowish to light jet to appear on Modern leave of flora that are taint . It mostly does not cause much , if any , reduction in increment or failure to fly high .
The virus is typically spread between flora by insects , such as aphid , taint potting soil , or gardening tools .
There is no cure for this virus , and while your peace lily may not show any ill effect , apart from discolored foliation , keep in mind that it can taint other related houseplants , such asanthurium , dieffenbachia , andphilodendron .
Phytophthora nicotianaeis a water mould ( oomycete ) that causes leaf blight on a tumid diversity of plants . It is generally spread by splashing pee . High moisture levels and humidity are ideal conditions for infection .
The primary symptoms of this disease are leaf margins and centers that have mordant or brown stagnant spots .
If conditions are dampish , the situation may seem wet and hokey . However , if the foliage is juiceless , these spots may be juiceless .
As the disease progress , the spots will amplify into larger lesion .
The discredited tissue can also be colonized by secondary fungi that can modify the appearance of the disease .
If you catch it in the other stages , you’re able to tryrepotting your plantinto a new , sterilized container , using fresh sterile potting soil .
Cut off the damaged foliageand dispose of it in the trash , as the spore can endure in plant debris . Also toss out of all old potting grunge and be sure to fix the container if you destine to reuse it .
A soil drench with Monterey Garden Fos Disease Control Fungicide , useable via Amazon , can be apply immediately after repotting , according to package instructions .
Monterey Garden Fos Disease Control Fungicide
Watering at the base of the industrial plant and keeping the foliage dry can help to forestall this pathogen from demand stem ( or thumb in this case ) .
Pythium root rot is get by another water mould , Pythiumspp . The leaves of plants infected with this weewee mold usually come along yellowish and droop .
By the time you discover the symptoms on the foliage , the roots will be ignominious and mushy .
This disease can be difficult to key from Cylindrocladium theme rot , the most notable difference being that in the case of Pythium root rot , the petioles are typically not affected .
Damp condition prefer the development of this disease , soavoid overwatering , water supply at the grunge stage , and check that your plant life haswell - draining potting dirt .
Early - stagecoach discussion is the same as that for Cylindrocladium root rot : repot into refreshing potting mix , and a soil drench using Monterey Garden Fos Disease Control Fungicide .
However , if your heartsease lily is severely infect , you are intimately served start over with a new plant . call up to dispose of all infected potting soil and plant debris in the methamphetamine .
You May Never Encounter These Diseases
As mentioned , most of these diseases have their origin in commercial nurseries where declamatory numbers of flora are rise and propagated in secretive propinquity .
Although I will include that I did lose a peace lily to root rot , odds are dear that you may grow yourSpathiphyllumplants unscathed .
By keep the leaf juiceless , watering only when the top inch of soil is dry , and cater your plants with adequate light , you will in all probability never have to contend with any of these disease .
And for more information ongrowing public security lily , check out these guides next :
© Ask the Experts , LLC . ALL right field RESERVED.See our TOSfor more item . in the beginning published January 2nd , 2021 . Last updated February 5th , 2025 . Product photo via Monterey and Amazon . Uncredited photograph : Shutterstock . With extra committal to writing and redaction by Clare Groom .
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Helga George , PhD
