Festival director Adelle Rohrsheim said the event had a diverse offering this year.

"It's not all about the arts - we've got a lot of cultural walks and tours," she said.

"We're sampling a good variety, not just performance and visual art."

Mrs Rohrsheim said Culti-vat, a project run by Sydney-based artists Erth, would be a festival highlight.

"This is the second year of a three-year program with them. Last year their project was The Museum of Lands Past," she said.

She said Culti-vat would make its home at the vacant former Wilson and Bolton Co showroom in Horsham.

"We're going to energise the vacant space in Pynsent Street with an amazing event of interactive installations of visual arts and performing arts," she said.

Another attraction this year is Melbourne-based Nebula, a mobile art space that has disability access.

"It's really exciting to have Nebula because with the finish of the Awakenings Festival we had a need for all accessible arts," she said.

"Nebula is very inclusive for artists with a disability.

"I think it's the first time Nebula has ventured out of Melbourne, so it's very exciting to have it come to Horsham first."

Mrs Rohrsheim said there would be 38 different events during the festival, which starts on May 29 and ends on June 7.

Member for Lowan Emma Kealy attended the launch on Friday.

"It's a fantastic program that's been going for 20 years," she said.

"It's been an enormously successful program through the hard work of the dedicated people who are involved."