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Sydney does a very good line in gorgeous green spaces, and as its name suggests, Wistaria Gardens is one of Western Sydney’s most whimsical. Hidden within Parramatta Park, this two-hectare heritage garden sits within one of Sydney’s most intact Edwardian-era landscapes, with original Japanese torii-style gates, century-old vines and a pretty interesting origin story tie to the former Parramatta Lunatic Asylum. This coming weekend, there’s a particularly good reason to pay them a visit. For two days only, the gardens will be carpeted in spring colour for Weekend in Wistaria, a free flower festival taking place on Saturday, September 19 and Sunday, September 20.
For context, the gardens officially became part of Parramatta Park in 2022, after previously sitting within the Cumberland Hospital precinct. Since then, Greater Sydney Parklands has been working to restore the gardens, improving soil conditions, managing pests and undertaking regular horticultural maintenance.
This weekend, they’re celebrating the peak of their impressive wistaria crop with a big free flower fest – a two-day event coinciding with the brief window when Wistaria Gardens’ famous vines reach peak bloom. The purple flowers typically put on their best display for just two to three weeks in mid-September, meaning the timing of your visit really does matter. The lilac-toned vines’ Instagram potential is reason enough to visit, but wisteria is also wonderfully fragrant, releasing a sweet perfume across the gardens when it flowers.
According to the NSW Government, the vines themselves are more than a century old. They were grown from cuttings brought over from Japan by Dr William Cotter Williamson in 1906, before being planted around Glengarriff House. At the time, the gardens formed part of the former Parramatta Lunatic Asylum, where the flower-filled setting was intended to provide a calming environment for patients.
Alongside the hanging purple flowers, more than 18,000 flowers have been planted throughout the gardens for this year’s event, with the 2026 display taking its cues from the theme of ‘peace and harmony’. According to the NSW Government, we can expect soft whites, blues and lavender, punctuated by fresh greens and brighter pops of pink, red and yellow. Gardeners are also trialling perennial varieties including Lavandula ‘Spanish Eyes’ and several salvia varieties, with the hope that some can remain in the ground beyond the festival.
Keen to cash in on the flower-fuelled fun? Over the weekend, the gardens will also host live music, family activities and community stalls, with food and drinks available to buy on site. The flower fest will run from 10am to 4pm this Saturday (September 19) and Sunday (September 20), and it’s free to attend – so you can easily make a morning of it: wander beneath the wisteria, grab something to eat, then settle in for a picnic elsewhere in Parramatta Park.
Not sure how to get there? Wistaria Gardens is located inside Parramatta Park, with entry via Byrnes Avenue, near The Picnic Ground. Parking inside Parramatta Park is limited, so organisers recommend walking, cycling or taking public transport where possible. You can find out more and plan your trip over here.
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