Press Release – Grow Otautahi Following huge success across the three days of the first-ever Grow tautahi, event organisers have this week announced 2022 dates for the popular Christchurch Garden Festival. Grow will return to the Christchurch Botanic Gardens, with entry still … Following huge success across the three days of the first-ever Grow Ōtautahi, event organisers have this week announced 2022 dates for the popular Christchurch Garden Festival. Grow will return to the Christchurch Botanic Gardens, with entry still free to everyone, over three days from 18 to 20 March 2022. Festival Director Sandi MacRae says excitement is already building around the 2022 festival, with sponsors and visitors to the 2021 event sharing their favourite parts of the show and coming up with new ideas for next year.