What's best to prevent brown spots on leaves of house plants?

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What's best to prevent brown spots on leaves of house plants?
Yes we can be over zealous when it come to watering. Best to limit watering house plants to once or twice a week, and depending on pot size, just a cup or two of water each time. Your home center should have a moisture meter or indicator


here's one to look at: http://www.frostproof.com/catalog/t1810....


Hope this was helpful :-)
Reply:keep them moist and in light. You might not even be able to prevent it because leaves have chloroplast that take light and turn it into oxygen. if kept in light they stay green and eventually they die turning the plant brownish. if you keep them aways from light and in dark, the leaves will turn white. I just recently took a plant biology class =)
Reply:I'm with Todd G who answered above. I learned the hard way that too much watering causes your leaves to turn brown. My plants are beautiful now that I don't water them so much.
Reply:miracle grow
Reply:I think that's caused by over-watering. Don't water it too much!
Reply:It sounds like you have a fungus problem. Usually find it more in humid conditions. Spray with Copper Oxychloride. Make sure you spray the underside of the leaves as well.
Reply:The most common cause of this is over watering. Only water a house plant when the soil is dry. In hot weather about once a week.In colder times about once a month.The only other problem could be over fertilising.Remember a plant in a pot doesn't need much of anything. Good Luck!