First, dilute the vinegar with equal parts water. Pour this solution into a spray bottle and spray the plant. Again, try not to get any liquid on the plant. Diluted vinegar won’t harm foliage, but it can change the pH balance of the soil. Waterproofing clay pots affects their breathability. That means that the soil will retain moisture much longer than it would in an untreated pot. These clay pots are certainly aesthetically pleasing since they give more of a natural look to the plants.

Mold on soil is generally not something you need to worry about. It’s harmless, but it can point to the fact that the soil is staying wet for too long, which can lead to root rot, which is why it’s good to do the things I mentioned, to have the soil dry out faster. It just adds a layer of protection over your paint job. You can simply use a spray on sealer, which you can get in a clear matte or clear gloss finish. How To Paint Terracotta Pots With Acrylic PaintIf you’re concerned about mold growth, another way to prevent it is to use a less-porous type of pot.

Sealing terracotta pots for painting is an optional step, and it’s totally up to you if you want to do it. Thank you for your message! Regarding mold on soil, to prevent it from forming, you want the soil to stay wet shorter/dry out faster and there are a few things you can do to make this happen:

What’s fantastic about this solution is the mixture will seep through the pot into the soil and work both ways. How To Prevent Mold on Terracotta Plant Pots increase air circulation – you can add a fan or keep the plant next to an open window if it’s warm enough outside Use your scrub brush or pot brush to get all the dust and dirt off, then allow them to dry completely before moving on to the next step. When the dry pots are ready for plants, then you get to have some fun deciding what you will want to put in them!