Mr Worsfold-Gregg has studied biology and conservation and previously worked at a therapy farm at a special needs school.
There are plans for a Suffolk Day celebration at the home, run by Kingsley Healthcare, on June 21.
It is hoped a range of vegetables, including broccoli, lettuces, beetroot and radishes, will be ready by then, although frosty nights have held the plants back.
Residents have enjoyed helping to plant vegetables and strawberry plants in raised beds.
There has been a lot of interest in the farm project since it was announced in March. It aims to provide therapeutic benefits to residents, including those with dementia, and will be an ideal boost after a year of Covid-19 lockdowns.