Yes indeed, there are lot of creative ways to upgrade the old and dull plant containers. Painting is one of the easiest choice.

For Painting a Terracotta Pot below are the steps.

1. Applying a base coat of White Acrylic Paint/ Gesso.

2. Applying a second layer of Acrylic paint with the color of your choice.

3. Making some designs if you would like to with Acrylic Paint.

We can skip Step 1 (applying Base Coat). Instead Double coat the Color of your choice.

Here is a link for one such idea.

https://youtu.be/-RduIjul074.

I hope this answers your question. Happy Painting. ☺