Use clean dirt in the new pot.
How to get a plant out of a ceramic pot.
I hope this helps.
Dry with a lint free cloth.
Allow the force of gravity to gently ease the plant out of the pot.
Slide a long bladed knife all round the inside between pot and plant then turn the pot upside down.
The way to grow plants inside such ceramic pots is to use a plastic pot which fits inside the rim neatly.
Set the pot in a shallow container for the water to seep out into.
Put dirt in the new pot then water it so you know it s wet at the bottom.
If the plant won t slide out easily tap the upside down pot against a hard surface such as a garden bench or nursery table.
Leave about 1 to 2 inches from the top of the soil to the pot s rim.
In general plant them to the same depth as they were planted before.
Rotate the plant a few inches in both directions to loosen it up and allow it to fall out.
I have several like this in my living room.
Remove any plants from the planter and set them in a plastic container or another glazed ceramic planter until you re finished repainting.
That said if your potted plants have become root bound you need to learn the best way to remove root bound plants out of pots.
Be sure to dump out any excess water so the roots do not become waterlogged.
Then it can just lift in and out easily no problems.
You can use a knife to help separate the plant and the pot.
Once you get the plant out of the pot take the time to separate the roots.
A lot depends on the plant.
A flood the pot get it really soaking and let it stand for an hour or two.
Put in the tree and spread out the roots that are left on the plant.
Generally if the container is widest at the top so the soil could all slide out it is relati.
Many ceramic pots come with a saucer.
If you have to wash off the dirt that is okay.
Thoroughly wash the planter with warm soapy water inside and out to remove dirt and debris.
Ideally the plant should fall out.
Better perhaps if it can be done whilst dormant and the roots are asleep anyway.
You can tell that your potted plant has become root bound if the roots are growing on the sides of the pot inside or when the roots are sticking out of the drainage holes at the base of the pot.