Although Bonsai are often planted solitary, trees in nature are more commonly found in groups. Creating a Bonsai forest (or group planting) requires an odd number of trees (that is, in case only a few trees are used, to provide asymmetry), usually belonging to the same botanical family.
The spring season is the best time of year to create a group planting.
First of all suitable bonsai plants need to be selected; a group planting should consist of different sizes of trees, a few tall ones for in the middle and several smaller ones to plant on the sides. Use trees mostly growing upright, as the composition could look unnatural when using different shapes of trees. How many trees to use in total is up to you.
Selecting the right Bonsai pot is very important; choose a large and quite shallow pot and take into account the normal guideline for deciding on color etc.
Use a soil mixture of akadama, fine gravel and potting compost mixed together in a ratio of ½ to ¼ to ¼ (read the Bonsai soil article for more detailed information on soil mixtures for different species of trees, climates, etc.).
After having selected the trees and the pot, follow the step-by-step plan to create the group planting:
Place the newly formed Bonsai group planting in the shade for at least a few months and wait with training the trees until the next spring.
Go to the training forum.