You don’t want a look that’s too uniform. Pair plants with different widths and heights together. They’ll look more natural and fresh.

“Plants are more courageous than almost all human beings: an orange tree would rather die than produce lemons, whereas instead of dying the average person would rather be someone they are not.” - Mokokoma Mokhonoana

The “law of threes” suggests that odd-numbered collections are more visually pleasing and effective than even-numbered collections. Arrange your plants in groups of 3, 5, 7, 9, and so on.

Combine pots with different materials and colors for an electric finish. Use pots with similar finishes for an elegant look.

Group plants with other plants that share the same needs in terms of sunlight, water, climate, and so on.