Peter Dowdall: Prison gardens can nurture positivity for all 

A prison gardening enterprise is yielding growing rewards for its participants and for society, writes Peter Dowdall

The Glasshouse project provides horticultural training and employment. Pictures: Diana Yule, Yule Studios

Those of us who know our plants and who enjoy getting our hands dirty already know it and those who don’t can only stare and wonder.

What am I talking about? The plethora of benefits that come from gardening.