Green fingers mean more to it than diplomas or degrees.
He said his success in designing mixing consoles stemmed more from having green fingers and a very inquiring mind than any structured research process.
For example, where a human expert has, say, "green fingers" he may not be able to explain to others the reasons why he does things.
Canals stretch green fingers into the blackest towns.
A lot of planning thought is towards the idea of green fingers coming in towards the city centres and permitting city fingers to radiate out.