September 17th, 2026The Search Bar Knows Exactly When Truffle Season Starts

This content was created in partnership with Google Trends.

Unlike house prices or pothole complaints, which tend to sprawl across the calendar whenever something in the news sets them off, truffle season has an on switch and an off switch. Google Trends data for the past twelve months shows Victorians flick it almost exactly when nature does.

Hepburn Shire is one of Australia’s premier black truffle growing regions, and the harvest runs roughly June to August each year, the same window Melbourne’s annual Truffle Melbourne festival draws its produce and satellite truffle-hunt events from, several of them run on farms right here. Winter Creek Farm at Trentham grows French Périgord black truffles on land it says shares the Dordogne region’s frosts, altitude and rich, dark soil, tending its truffière of host oaks year-round for a harvest supplied straight to the hospitality trade. Further out at Wattle Flat, Black Cat Truffles has turned roughly 1,000 French and English oaks planted across 20 acres into a full farm-gate experience, guided dog hunts through the orchard followed by a cafe lunch most weekends through June, July and August, popular enough to have landed a segment on MasterChef Australia. Between the two, and the handful of smaller growers scattered across the shire, this is about as close as regional Victoria gets to a genuine, home-grown luxury export industry. For a region more used to headlines about house prices or potholes, it’s a rare good news story, and a genuinely distinctive one.

For eight straight months, from September 2025 through to late April 2026, search interest in “black truffle” barely exists. Across those 32 weeks, the term registers a reading in just seven of them, scattered blips rather than a pattern. Then, the week of 26 April 2026, something changes.

From late April through to the week of 23 August, “black truffle” posts a nonzero reading in ten of eighteen weeks, more than double the earlier hit rate, and its single highest point of the entire year lands right at the start, in the first week of May, at 73. That’s not a coincidence. Victoria alone produces several tonnes of black truffle each year, worth millions of dollars. The search data doesn’t know any of that. It just knows when people start typing the word in, and it turns out that’s almost exactly when the season gets underway.

What’s more interesting is what didn’t follow the same rhythm. “Truffle oil” put up the single highest reading of any term all year, hitting 100 in the last week of September 2025, months before a single fresh truffle of the new season had been dug up. That’s a pantry product running on its own pantry calendar, a bottle on a shelf rather than a fungus in the ground, and it spiked again the week before Christmas for the same reason: people cooking, not people harvesting. “White truffle” peaked in the first week of December too, which lines up with the entirely separate European white truffle season out of Italy and France, an entirely different species searched here as a Christmas indulgence rather than anything grown locally.

Then there’s what’s basically missing. “Truffle hunting” shows up in precisely one week out of fifty-three, a single reading of 3 right at the tail end of the year. “Truffle farming” doesn’t register once, across the entire twelve months. That’s an odd gap given how much of the region’s truffle economy, Winter Creek, Black Cat and others, is built on exactly that experience, guided walks through an orchard, a dog doing the hard work, a glass of something afterwards. Whatever’s driving bookings for that, it isn’t people typing “truffle hunting” into Google and hoping for the best. Word of mouth, festival marketing and farm-gate reputation appear to be doing the job a generic search term simply isn’t catching, which is worth remembering next time a chart like this one looks like the whole story.

It’s a fair bet the town and venue names would tell a sharper story than the generic terms in this dataset. A search for “Daylesford truffle hunt” or a specific farm name would likely show a completely different pattern, and would be worth pulling separately for anyone deciding when to put advertising dollars behind a truffle-season push locally.

Either way, the truffles clearly aren’t the ones paying attention to the news cycle. The search bar is. And for once, it’s got its timing right.

Search interest in black truffle, truffle oil and white truffle, September 2025 to September 2026, with Australia’s black truffle harvest season shaded. Source: Google Trends.

This content is part of a paid partnership with Google to promote Google Trends. It uses Google Trends data to explore search interest in “black truffle”, “truffle oil”, “white truffle”, “truffle hunting” and “truffle farming” across Victoria over the past twelve months. Google Trends data is aggregated and anonymous. Search interest is measured on a relative scale and does not represent total search volume.