Australian Capital Territory (ACT)
Floriade – Canberra (Commonwealth Park)
Mid‑September to mid‑October (approx. 14 Sept – 13 Oct 2025)
Australia’s largest spring flower festival, with spectacular bulb displays and garden art.
Official Site: floriadeaustralia.com
New South Wales (NSW)
Tulip Time Flower Festival – Bowral (Corbett Gardens)
12 Sept – 6 Oct 2025
~80,000 tulips plus entertainment, markets, and themed weekends.
Official Site: tuliptime.net.au
Plant Lovers Fair – Kariong (Central Coast)
6–7 Sept 2025
Rare and collectible plants from over 30 exhibitors.
Official Site: plantloversfair.com.au
Sakura Matsuri – Cowra Japanese Garden
During September (exact dates TBD)
Cherry blossom and Japanese cultural festival at Australia’s largest Japanese garden.
Official Site: cowragarden.com.au
Victoria (VIC)
Tesselaar Tulip Festival – Silvan
13 Sept – 12 Oct 2025
Traditional tulip festival in the Dandenong Ranges with themed weekends and family fun.
Site: tulipfestival.com.au
Open Gardens Victoria – Creekside & Ngamudji (Surrey Hills)
6–7 Sept 2025
Private gardens open to the public, showcasing native, wildlife-friendly designs.
Official Site: opengardensvictoria.org.au
Additional details: [City of Boroondara event page]
Queensland (QLD)
Toowoomba Carnival of Flowers
12 Sept – 6 Oct 2025
Festival of flower parades, garden competitions, FEASTival food events, and more.
Site: tcof.com.au/
Chronicle Garden Competition – Toowoomba
Judging begins on 1 Sept; public viewing on 19 Sept 2025
Innovative home garden designs on display.
Site: toowoombahospitalfoundation.org.au
South Australia (SA)
S.A. Spring Garden Festival – Mt Pleasant
20 Sept 2025, 8 am–3 pm
Workshops, plant stalls, guest speakers, crafting, and garden-themed offerings.
Official Site: saspringgardenfestival.com.au
Open Gardens SA – Private Gardens (Burra, Kensington, Al Ru Farm)
Six Burra Gardens: 13–14 Sept
The Mosaic Garden: 20–21 Sept
Al Ru Farm: 21 Sept
Ticketed access to private and creative garden spaces.
Official Site: opengardensa.org.au
Nature Festival South Australia
26 Sept – 12 Oct 2025
More than 300 nature-themed events statewide—including garden and arts-related activities.
Official Site: naturefestival.org.au
Western Australia (WA)
Everlasting Kings Park Festival – Perth
12–29 Sept 2025
Wildflower celebration with workshops, guided walks, art, and nature activities.
Official Site: bgpa.wa.gov.au – Everlasting Kings Park Festival
Kalamunda Garden Festival – Spring 2025
7 September 2025, 10:00 am–3:00 pm
Over 150 gardening stalls, plant advice, guest speakers and community expo.
Official Site: ticketebo.com.au – Kalamunda Garden Festival
Tasmania (TAS)
Wynyard Tulip Festival – Table Cape
Saturday, 11 Oct 2025
Free-entry festival with vast tulip fields, entertainment, food stalls, and fireworks.
Fields of tulips at Van Diemen’s Bulbs, Table Cape is open to visitors from late September until late October.
Official Site: wynyardtulipfestival.com.au
