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Contributing to a Greener World



Botanic Gardens Day is an annual day of celebration to highlight the role of plants in our lives and the important work botanic gardens undertake every day to conserve them for future generations.

Hop over to the @BotanicGardensDay Facebook page, join and follow, give it a like, share it with colleagues and friends, ask them to do the same, let’s spread the word!



On Sunday 28 May 2023, more than 100 botanic gardens, arboreta and gardens across Australia and New Zealand will celebrate Botanic Gardens Day with their respective communities. Click here for all the details!



4th BGANZ Plant Challenge
Seasol International are again partnering with BGANZ to highlight the knowledge and expertise held within the amazing BGANZ membership. The BGANZ Seasol Plant Challenge is open to anyone, but it has been the employees, friends and volunteers within botanic gardens who continue to steal the show. This year’s theme is Inspirational Plants and People.

Tell your plant story!

Share your story on Inspirational Plants and People by posting:

  • a 30-60 second video
  • photos
  • or any other creative pursuits

to your/our Facebook page or uploading a video or photo to your Instagram page, or other favourite platform, with a short message about what plants mean to you and how plants influence your life, using hashtags #PlantChallenge, #BotanicGardensDay and #LoveSeasol.

Spread the word: #PlantChallenge others to tell their plant story and stay tuned as we celebrate Inspirational Plants and People through your shared stories!

We look forward to seeing and hearing all your #PlantChallenge responses in 2023!

#PlantChallenge begins 1 May and will end in celebration on Botanic Gardens Day 28 May.

Remember the video can be made at any time of year – so if your favourite or inspiring plant is in flower now, get your Plant Challenge in the can today.

Seasol prizes for regional member gardens, including Friends groups!

There will be prizes awarded for the best entries, including:
• a year’s supply of Seasol for the best entries from regional member gardens (including Friends groups)
• a Seasol mini prize pack to be won at each of the four webinars
• a Seasol hamper worth $50 for each of the best three individual (public) entries.

Please email and advise us of your plans to participate so that we can share your images and videos across May.

Head to Botanic Gardens Day Facebook @BotanicGardensDay  like, comment and/or share, Instagram @bganz1 Twitter @BGANZ1 and YouTube accounts to follow and share our posts.



We are excited to announce, that during May 2023, in the lead up to Botanic Gardens Day we will host and present forums and webinars aimed at industry professionals and all those many plant lovers out there.

Webinars hosted by Costa Georgiadis

In the lead up to Botanic Gardens Day on 28 May, BGANZ will again hold four online webinars every Thursday evening at 7pm AEST, hosted by Costa Georgiadis, highlighting members and other experts, and their amazing knowledge. Click here for all the details.

Webinars for industry professionals

Click here for all the details.



Botanic Gardens Day was launched in 2016 by ABC TV’s Gardening Australia host, and Botanic Gardens Day Australian Ambassador, Costa Georgiadis, and New Zealand Ambassador, Jack Hobbs. Each year this event has over 100 botanic gardens, arboreta and gardens in Australia and New Zealand taking part and celebrating the vital work botanic gardens do for plant conservation.

Gardens hold many special events on the day every year – to find out what your local garden is planning check your local gardens’ websites for details. As the day approaches more updates on Gardens’ web and facebook pages will appear.

Thanks to our partner Seasol International for their fantastic support with Botanic Gardens Seasol Plant Challenge in 2023.

If you have any questions please forward to Dr Rebecca Harcourt, BGANZ Admin and Comms Officer,

Swainsona formosa, Sturts Desert Pea