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The Seasonal Food Atlas helps you understand when local vegetables, fruits, berries, and mushrooms are typically harvested in a chosen region — not what you can find on supermarket shelves year-round.
The atlas gradually collects and organizes food seasonality information, linking it to regions, sources, and a confidence assessment.
The goal is a clear, verifiable picture of local food seasonality.
Seasonality depends on the region: the same product may start ripening and being harvested at different times depending on climate, variety, and growing conditions. That is why the atlas treats seasonality separately for each region, instead of offering a single calendar for an entire country.
The project is at an early stage and currently covers a limited number of regions in Russia. Geography and the product catalog are intended to expand gradually.
In this atlas a season is, first of all, the typical local collection period: the harvest of an open-field crop, or of wild berries and mushrooms.
For each product and region the atlas records the start and end of the season and, when the evidence is strong enough, a peak period.
During the season the following phases may be shown:
If a separate peak period cannot be determined reliably, the atlas uses the overall season interval rather than inventing false precision.
Greenhouse production, imports, long storage, and year-round supermarket availability do not, by themselves, define the local harvest season.
Mushroom information in the atlas describes seasonality and culinary use and is not intended for field identification or determining edibility.
Seasonality is researched separately for each region.
At this stage, data has been collected only for some regions. Others may appear in the directory or on the map as “In progress”.
A region’s presence in the atlas does not mean that its seasonality research is complete. Coverage expands gradually as data is collected and reviewed.
A region page shows products for the selected month and their seasonality over the year. A product page lets you compare available seasons across researched regions.
Every published season interval is accompanied by one or more sources.
Priority is given to:
Sources do not always include exact start and end dates. A publication may confirm the start of mass harvesting or name a harvest month without giving a specific day.
That is why the data includes a confidence assessment:
The atlas marks data as approximate rather than creating an impression of precision that the sources do not support.
You can find more about the methodology, sources, and how the data is prepared in About the data.
The atlas shows typical seasonality, not a harvest forecast for a specific year.
Actual dates may shift because of:
Treat the published intervals as a regional guide, not as an exact calendar for every farm.
The database is also still being filled in. Missing seasonality for a product in a given region may mean the data has not been researched yet — not that the product is not grown there.
Seasonal Food Atlas is a growing directory of local food seasonality.
The main task now is to build a solid seasonality base for the first regions and products. As the atlas develops, the plan is to add regions, countries, and product categories, refine existing intervals with new sources, and improve tools for exploring the data.
Inaccuracies in seasonality, a product description, a source, or how a region is displayed can be reported at seasonalfoodatlas@gmail.com. If possible, include the product, the region, and a source that would help refine the data.