I do get that. It can look rather messy. What arguably might help is micromapping it further ironically enough. 

If the backyards, fences, hedges, etc are also mapped, the trees stand out less. Though this is of course a lot of work and maybe also a matter of taste :P

https://www.openstreetmap.org/#map=18/55.973618/-3.213345
https://www.openstreetmap.org/#map=19/52.345996/4.970495

Best regards,
Taya Snijder