|why do my house plants keep getting dieases ?|
|In general, if you select plants suited to the lighting conditions and temperatures in your home and provide them with good air circulation and care for them well, they should resist diseases.
It is also important to inspect plants carefully prior to bringing them home and isolate new plants for a month or so to be sure they are trouble free before placing them with the rest of your collection.
Once a disease problem appears you should isolate the plant and clean your tools and hands carefully to prevent spreading it. Also clean up and remove the infected plant parts and dispose of them in the trash. Always disinfect pots before re-using them. Never re-use potting mix.
Finally, some types of plants are more disease or trouble prone than others. If you tend to have repeated problems with a certain disease or certain plant it may be wise to avoid growing the ones that are most likely to be affected.
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I hope this helps you trouble shoot.