How high is the standard of bricklaying in rural small courtyard gardens?

The garden can be made in the public facilities area of the family, so if you want to make this kind of garden in your own home, the height can be about 45-50 cm, and if you want to design it higher, you can control it at 60-70 cm. For example, you are an ordinary family like me, and there is a big yard in your hometown. If you want to design this garden in the courtyard, I think the size should not be too low, about 70 cm. And if you do it on your own balcony, don't be too high, just 45-50 cm.