Bill Shorten's bust is unlikely to ever grace the famous Botanical Gardens avenue following last night's election defeat but Ballarat council is still lagging on current leaders with the returned Prime Minister Scott Morrison yet to be planned or budgeted for.

But City of Ballarat CEO Justine Linley confirmed on Monday measurements for Malcolm Turnbull had been completed, but no artist has been appointed for the work.

Costing more than $50,000 each, the revolving door of Prime Ministers has not come cheaply for Ballarat council.

A bequest from former Federal politician and soldier Richard Armstrong Crouch (1868-1949), provided for 27 busts of prime ministers from 1940 through to 2014, but the rapid succession of prime ministers has reportedly exhausted the Trust.

Next month Australian Living Treasure Barry Jones will bring life to the busts in the Prime Ministers Avenue when he speaks in Ballarat in June.

The writer, broadcaster, social activist, quiz master and former politician will present for the Friends of the Ballarat Botanical Gardens and interested community members at the Robert Clark Horticultural Centre on June 1.

The scheduled presentation comes after Mr Jones visited the Ballarat Botanical Gardens in January during the Organs of the Ballarat Goldfields Festival.

He began conversation with the Friends of the Ballarat Botanical Gardens about information on a brochure available to visitors to the conservatory.

Friends of the Ballarat Botanical Gardens convener of the guides Terry O'Brien invited Mr Jones to speak in Ballarat after email conversation about the Prime Minister Avenue.

"He was concerned by some information on one of the brochures. We have had more prime ministers and a new female sculpture since the last reprint of the brochure," Mr O'Brien said.

"The other thing he was concerned about was the use of names in the avenue. If you walk down the avenue you will see Robert Lee Hawke, whereas most people know him as Bob."

READ MORE: Local politicians pay tribute to Bob Hawke as Town Hall flag flies at half mast

Mr Jones will share his encounters, conversations, and photos from his meetings with 20 of Australia's Prime Ministers when he visits Ballarat, before guests join a guided tour of the Prime Minister Avenue with Friends of the Ballarat Botanical Gardens guides.

"The avenue is a great space to get a feel of history. As you walk down you get the sense of time changing," Mr O'Brien said.

"It is a special spot. There is no where else in Australia you will find all the Prime Ministers honoured in this form."

Tickets are available for Barry Jones' presentation to be held from 2pm at the Robert Clark Horticultural Centre on June 1. Visit www.trybooking.com/ or contact the Friends of the Ballarat Botanical Gardens to purchase a ticket.

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