I have created a new birdbath in my garden. I have a few pebbles in it but would love to grow some little plant that would look good
and maybe attract birds or insects. Birdbath is approx. 14 inches accross and water level barely 2 inches?
Certified GKH Gardening Expert
You are very limited in what will grow in these conditions. I'm not very familiar with the climate in your country, so you could be limited by that as well.
This article will help you to grow small container water gardens, which will apply to your situation, as well as offer some suggestions on what you can plant: https://www.gardeningknowhow.com/ornamental/water-plants/wgen/patio-water-gardens-and-plants.htm