Seasonal eating: a simple month-by-month approach

You don't need a complicated calendar or a farmers' market nearby to eat more seasonally. The simplest guide is price: when something is cheap, abundant and at the front of the shop, it's almost certainly in season.

Why eat seasonally?

Seasonal eating has a few distinct and genuine advantages:

• Taste. Produce harvested at its natural peak — picked ripe and sold quickly — generally tastes better than produce stored for months or shipped unripe from the other side of the world. A tomato in August and a tomato in January are very different experiences.
• Price. When a crop comes in abundantly, prices drop. Strawberries in midsummer, courgettes in late summer, root vegetables in autumn — at peak season these can be significantly cheaper than out of season.
• Variety. Following the seasons naturally introduces variety into your diet. Spring cooking looks quite different from autumn cooking, which keeps things interesting and ensures a wider range of nutrients over the year.
• Lower energy inputs, sometimes. Growing strawberries in a heated greenhouse in winter, or flying asparagus from a distant country, uses considerably more energy than field-grown produce in season. This isn't true of every crop or every country — some imports are grown in good outdoor conditions and transported slowly by sea — but it's a reasonable general principle for produce that your country grows outdoors.

How to tell what's in season near you

The single most reliable signal is your local market. When something is piled high and cheap, it's in season. When it's expensive and hidden at the back, it's probably been imported or stored.

• Visit a farmers' market. Vendors at genuine farmers' markets sell what they're actually growing right now. Browse once a month and you'll build a good instinct for what's coming in.
• Search for a local seasonal guide. Most countries and regions have seasonal food guides — search for "[your country] seasonal food calendar" or "[your region] what's in season." These vary by hemisphere and climate, so local guides are more reliable than generic ones.
• Ask your greengrocer. A good independent greengrocer will tell you what's at its best right now and where it came from.
• Watch the price. Supermarkets adjust prices with supply. A sudden drop in price for a particular vegetable is often a signal that the local season has begun.

One important note: seasons vary significantly by country, climate zone and hemisphere. The seasonal framework below is a rough guide for temperate northern-hemisphere climates (roughly UK, northern Europe, northern US, Canada). If you're in the southern hemisphere, spring and summer are October to March. If you're in a subtropical or tropical climate, your seasonal rhythms are different again. Always treat any generalised calendar as a starting point, not a rule.

A rough seasonal framework

This is a general guide for temperate, northern-hemisphere conditions. What's available, and when, depends heavily on where you live.

Spring (roughly March to May)

The hungry gap — the months between winter stores running low and summer abundance arriving — falls here. It's the trickiest season. That said, spring still offers:

• Asparagus (a real seasonal treat in its short window)
• Spring greens, spinach and chard
• Purple sprouting broccoli (early spring)
• New potatoes (late spring)
• Radishes, spring onions and peas (late spring)
• Rhubarb (early, forced; field rhubarb later in spring)

Spring is a good time to lean on storecupboard staples — dried beans, lentils, grains — alongside whatever fresh produce is available.

Summer (roughly June to August)

The most generous season in temperate climates. Abundance is real and prices usually drop noticeably:

• Tomatoes, courgettes and cucumbers
• Peppers and aubergines (eggplant)
• Sweetcorn and broad beans
• French beans and runner beans
• Strawberries, raspberries, blueberries and other soft fruit
• Fresh peas and mangetout
• Salad leaves, herbs and edible flowers
• New potatoes continuing

Autumn (roughly September to November)

Often the best season for variety and storage crops — many of which will see you through winter:

• Squash and pumpkins of all kinds
• Apples, pears and quinces
• Root vegetables: carrots, parsnips, beetroot, turnips, celeriac
• Kale, cavolo nero, leeks and late cabbage
• Mushrooms (foraged or cultivated)
• Late tomatoes — good for sauce-making
• Nuts: walnuts, hazelnuts, chestnuts

Winter (roughly December to February)

Lean by comparison, but hearty staples are at their best:

• Root vegetables (carried over from autumn storage)
• Brassicas: sprouts, winter cabbage, kale, January king cabbage
• Leeks, onions and garlic
• Citrus — this is the season for oranges, clementines and blood oranges (grown in warmer climates)
• Stored apples and pears
• Dried and canned legumes are a winter staple

Dealing with gluts

At peak season you can end up with more courgettes, tomatoes or apples than you can eat. This is an opportunity, not a problem.

• Freeze it. Most vegetables can be blanched and frozen quickly and cheaply. Berries, stone fruit and sliced banana freeze well raw. A freezer is your best friend during a seasonal glut.
• Make a big batch of sauce or soup. Tomatoes at peak season are ideal for making a large pot of tomato sauce. Courgettes disappear into ratatouille or minestrone. These freeze well and make quick weeknight meals through winter.
• Preserve. Jams, pickles and chutneys are a classic way to hold the season in a jar. They don't require specialist equipment — just jars, lids, and a little time. Pickled cabbage and fermented vegetables are another option.
• Dry or dehydrate. Herbs, mushrooms and some fruits dry well and store for months with no refrigeration.

See our guide to reducing food waste for more on making the most of what you have.

Pair with meal planning

Seasonal eating and meal planning work well together. When you know what's in season and plan around it, you tend to buy what's cheap and abundant rather than whatever's on the list regardless of price or origin.

A loose weekly plan — even just a rough list of what's for dinner each day — reduces the chances of buying produce and then not using it. See what's looking good in the shop or market first, then plan your meals around that, rather than the other way around.

An honest note on impact

It would be easy to overstate how much seasonal eating cuts your carbon footprint. The honest picture is more nuanced:

• Transport is a relatively small share of most foods' total emissions — typically well under 10% for most crops. Growing method matters more than distance for most products.
• Heated greenhouse production is genuinely more energy-intensive than outdoor field crops, so avoiding out-of-season tomatoes and peppers grown in fossil-heated greenhouses is a meaningful choice.
• Air-freighted produce (mainly soft fruits and green beans flown from Africa or Latin America) has a notably higher carbon footprint than sea-freighted or local produce — but it represents a small fraction of what most households buy.
• What you eat matters far more than when you eat it. Shifting even a few meals a week from beef and lamb to vegetables, pulses or poultry makes a larger difference than seasonal optimisation.
• How much you waste matters too. A seasonal vegetable bought and thrown away is worse for the environment than a non-seasonal one that gets eaten.

None of this means seasonal eating is not worth doing — it is, for the taste, the price and the pleasant connection it creates with where food comes from. But it is a nice bonus on top of bigger choices, not a substitute for them.

Seasonal eating checklist

• Find a seasonal food guide specific to your country or region and bookmark it.
• Next time you shop, look at what's cheap and plentiful — that's your seasonal signal.
• Visit a farmers' market or farm shop once this season to see what's being grown locally.
• Plan at least one meal this week around a seasonal vegetable or fruit.
• When a glut hits, freeze, batch-cook or preserve before it goes to waste.
• Use storecupboard staples (dried beans, lentils, grains) to supplement lean seasons without relying on out-of-season imports.
• Combine seasonal shopping with a rough weekly meal plan to reduce waste.