It can be disheartening to discover that your beloved cactus has brown spots , but fear not , we ’re here to help you translate and take on this uncouth problem . There are different rationality why this hap , and it ’s usually because we might be make some fault in consume care of them . It ’s not often that diseases or pestis are to blame . In this blog , we ’ll explain the most common cause of brown spots and give you some helpful tips on what you may do to fix the problem . So , allow ’s dive in and discover the secrets to keeping your cactus plants happy and spot - free !

Contents

Care Mistakes that Cause Brown Spots

One common question cactus owner ask is , ‘ Why does my cactus have brown muscae volitantes ? ’ have ’s untangle the enigma together !

When we do n’t take care of our cacti properly , they let us know with those pesky brown pip on their barbed skin . It ’s like their room of saying , “ Hey , something ’s not right here ! ” There are a couple of vulgar care mistakes that can conduct to cactus with brown spotlight :

Now , even though cacti love life sunshine , they can still get sunburn . reckon that ! When you work your cacti back to their sunny spot on the windowsill after wintertime , give them some metre to adjust . countenance them hang out in a partly shaded topographic point for about 8 to 10 years before exposing them to full sun . This is also important if you keep them on a balcony in May .

brown spots on cactus plant

Brown spots on cactus plants are usually caused by mistakes in the care routine

Pests that Leave Brown Spots on Cacti

If you ’ve been fill good care of your cactus and the brownish spots still wo n’t go away , it ’s sentence to investigate pestilence infestations . Some annoying insects like to feed on cacti and forget behind those brown blot . Some common culprit let in sting and sucking insects , spider mites , musical scale insects , and aphids .

Do n’t worry , you’re able to fight back ! Let ’s explore some effectual strategy on how to get disembarrass of brown spots on cactus , so your works can retrieve its vivacious appearance :

In some cases , it might be necessary to go all - out and put the infested cactus in a sealed plastic bag for 3 to 5 years . By doing this , you ’re basically cutting off the oxygen supply and collapse those pests a taste of their own medical specialty !

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Read also : How to Get Rid of Cactus Bugs

Pro Tip:

Have you ever detect your cactus starting to cork ? Let ’s take a closer feeling at this fascinating phenomenon known as cactus corking .

Sometimes , when cacti get old , they go through a natural process called corking . It ’s like they ’re turn into little wooden plants ! This can be seen by the visual aspect of brown slur on them . On the other bridge player , immature cacti bob when the humidity in the melody is too high or when they ’re watered with cold , punishing tap water . And let ’s not block about sunburn ! When a cactus perplex too much sun , its skin becomes cork up too . It ’s like a protective shield for them .

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