Posted: 16/03/2013 at 17:40
Geoff went to Writtle Agricultural College in Essex, in 1959 he passed the National Diploma in Horticulture, with distinction.
After graduating from agricultural college he became a nurseryman and self-employed landscape gardener, then opened his own garden centre ("The Hamilton Garden Centre") on the outskirts of Kettering in Northants.
He began writing a column for Garden News in 1970, and in 1975 became a full-time journalist when he took over as editor of Practical Gardening magazine, where he began his crusade to inform everybody about the joys and benefits of organic gardening.
You may be thinking of Monty Don, who doesn't have any horticultural qualification.....and it shows!