If cutting nee maintaining fine lines of pristine planting isn’t for you then a formal hedge is not what you want. If however you like trimming or cutting from time to time and don’t mind ‘organised chaos’ then maybe you do! But a hedge as we [becoming elder] Irish know it, is something that requires looking after one sunny Saturday per year or so.
For the record and for clarity in this discussion please note the dictionary reference and definition: hedge n 1 a row of shrubs or bushes forming a boundary [source Collins English Dictionary]
If you do follow the dictionary (that I am so fond of reading) translation, then the logroll etched license interpretation that we inherited from the 1980’s becomes something delightfully and excitingly different. The science is that the internodal distance [distance between each set of buds] doesn’t really allow the plant to become ‘formal’ and so informality reigns though anti-symetric uneveness.
In theory if the correct horticultural decisions are made pre-planting then those hedge cutting fathers days can be spent on the golf course or playing croquet rather than bringing green waste to landfill. To clarify, all plants require some maintenance – just not as much, as often or as costly of your time or someone elses. In this day and age they can be bought in as established or mature plants. The two informal hedges above are one year old – to its new owners.