In contrast to beeches, hornbeams do not have such a strong root system. They form heart roots, which above all go deep. The planting distance does not have to be that big. The ideal planting distance depends on whether you plant the tree individually or as a hedge.

Planting distance as a single tree
How much space the hornbeam needs depends on whether you prune it heavily or just let it grow. Natural shapes need more space to show off. It should be at least ten meters.
Planting distance in the hedge
Keep a planting distance of 50 centimeters in the hedge. Plant two hornbeams per meter.
tips
If you want to close a hornbeam hedge very quickly, you can plant it with a smaller planting distance in autumn. However, you will then have to remove every second tree later.