Certainly, she describes her future as a "renaissance rather than retirement."
Well respected for her horticultural expertise and contribution to both education and industry, Jo said horticulture was in her DNA.
And she is not speaking figuratively — one of her ancestors, the Rev Richard Johnson, is regarded as the father of the Australian citrus industry.
"Really it is all about plants," she said.
"I get the most buzz out of plants, particularly alpine natives, vegetables, medicinal and dry-loving xerics."
Yet, the passing of knowledge to others is also an obvious passion: Jo has taught horticulture to primary and secondary school students, at certificate and diploma level, online, face to face, in industry, to farmers ... in fact, "anybody who wants to learn to grow", she said.
"I do get a buzz from seeing graduates progressing in industry and the feeling that I may have helped contribute to their passion."
She said there has been plenty of highlights during her time at Otago Polytechnic, which she joined in 1990.
These include the rise in popularity of the annual Giant Plant Sale at Labour Weekends, the new nursery at Bannockburn Rd, along with other initiatives.
"The steady development of a commercial plant nursery at Cromwell has resulted in more than 25 Giant Plant Sales, with increasingly larger crowds lining up to catch a bargain grown by the students."
Jo recently developed a medicinal herb bed at the Central Campus in a partnership with Artemis, a producer of traditional plant medicines. More than 20 different species of medicinal herbs, from echinacea to ashwagandha, have been trialled.
Passionate about environmentally conscious landscaping, Jo has highlighted the sustainable use of water to her students and the local communities.
"After so many presentations to groups and conferences over the years, it is heartening to see increasing awareness of water use in landscaping."
She played a key role in establishing the Water Conservation Garden in Cromwell. Starting as an initiative from Otago Polytechnic, it has been supported by the Cromwell Community Board and the Central Otago District Council, and aims to educate people about the sustainable use of water in local gardens.
As for her next growth cycle, Jo has established a consultancy and will continue to develop a 4ha commercial cherry orchard at her home near Mt Pisa.
She is also planning to spend more time enhancing her resilient dry-loving garden, which is gaining international recognition, having featured in a number of books, as well as in the New York Times, the UK’s Sunday Telegraph and in several Australasian magazines.
"Most notably, it was one of 40 gardens worldwide to be included in Wild — The Naturalistic Garden by the British authority, Noel Kingsbury," she said with no small measure of pride.
