If possible, there should always be two apple trees blooming at the same time in a garden, so that pollination of the blossoms and thus a rich harvest is guaranteed. Nevertheless, apple trees also need sufficient space according to their type.

The different tree shapes and their planting distance
There are apple trees in all imaginable growth forms and they can also be trained to a certain shape through targeted pruning. While standard trees should be planted at least eight to ten meters apart, a distance of around two and a half meters is usually sufficient for trellis trees.
tips and tricks
Espalier trees not only grow very compactly, they also only form a relatively small root ball. So you can also be grown in a pot on the terrace or on the balcony.