I made a post about a month ago about my queen pothos that was struggling to make it after a propogation. With the advice from a user on here now my pothos is growing healthy and strong! I have run into a new problem (maybe its a problem maybe not). The pot that holds my queen pothos now has mold growing around the bottom sides of the pot, and inside the lip of the pot. When I transfered my pothos from propogation to its current home I had thoroughly washed and dried the pot its in now. Should I transfer it again to a new pot? I've been watering it daily and it hangs out on my window sill but that seemed to be helping it to grow, not sure what to do and could definitely use some guidance. Thanks UPT Fam!
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The white residue on the terra cotta pots is normal. It might not be mold at all but calcium and other minerals from the water that have buildup on the outside of the pot. Terra cotta pots are porous and allow for air to move through the walls of the pot to prevent soil disease and root rot. The water is being drawn from the soil out into the air to help the soil dry faster. You can wipe it off. It is not harmless at all. It is probably occurring more frequently because you are watering daily. The other user was correct. Just make sure you are checking the soil with your fingers or a moisture meter to prevent overwatering. Sounds like your pothos is in good shape.
What time of pot is it? Is the window sill getting enough sunlight? Depending on the humidity where you live can play a part in the mold. The pot itself may not be getting enough sunlight and the moisture is collecting. The frequency of watering could be another reason. The plant may not be getting enough time to dry between watering.
It's just a regular terra cotta pot. I live in Texas and the weather has been pretty rainy and gloomy over the past week and a half maybe, and it sits on the window sill that gets the most sun. I'll try watering it a little less, but when I moved the plant from propagation to the pot, another user had suggested that I keep watering it frequently for a few weeks to keep it from being shocked going from sitting in water to being in soil all the time, so I'll try watering it less frequently now. Do you think I should just wipe the mold off, leave it alone, or transfer pots? Thank you so much for your reply!