Eating by season

On this page

1. Why eat with the seasons?
2. The Chinese seasonal calendar
3. The five elements and the five seasons
4. Quick reference table
5. The five TCM seasons
6. The seasonal transitions (jiao jie)
7. Common seasonal eating mistakes
8. Frequently asked questions
9. Related pages

1. Why eat with the seasons?

Seasonal eating is one of the most fundamental principles of Chinese food therapy. Each season corresponds to a particular organ system, climate energy and predominant flavour, and the foods that grow naturally in each season are those best suited to support the body at that time. Eating in alignment with the season — lighter and slightly sour foods in spring, cooling and bitter in summer, sweet and grounding in late summer, white and moistening in autumn, salty and warming in winter — supports the body’s natural adaptation to climate change and preserves health across the year.

Eating against the season — ice cream in winter, tropical fruit in late autumn, heavy stews in midsummer — gradually erodes constitutional balance. The body has to expend extra qi to rebalance the dietary mismatch, depleting reserves over years. The opposite is also true: even small adjustments to seasonal eating — switching from cold smoothies to warm congee for breakfast in winter, adding bitter greens in spring, increasing pear and white fungus in autumn dryness — produce visible improvements in energy, digestion, immunity and mood within weeks.

The TCM tradition divides the year into five seasons, not four. The fifth, late summer (the rainy harvest season), corresponds to the Spleen and the earth element, and acts as the central pivot between the warming and cooling halves of the year. This earth-as-centre principle reflects the deeper structure of five-element theory and gives Chinese seasonal eating its distinctive character.

2. The Chinese seasonal calendar

The Chinese calendar divides the year into 24 solar terms (jie qi) of about 15 days each, mapping the sun’s position along the ecliptic. Each season begins at one of the four "Beginning" terms (Li Chun, Li Xia, Li Qiu, Li Dong — "Beginning of Spring/Summer/Autumn/Winter"). These dates predate Roman calendars by millennia and are based on direct observation of the sun, so they fall on stable astronomical dates each year (within one day’s drift).

Note that this is several weeks earlier than the Western astronomical calendar — Chinese spring begins in early February, not at the spring equinox. This reflects an older, observation-based tradition: the first sap is rising in plants and the first imperceptible warming is starting at Li Chun, even when there is still snow on the ground. The seasons are understood as energetic transitions, not weather labels. Late summer is a quirk in the system — some classical sources treat it as the last 18 days of each of the four main seasons (the "earthen seam"); modern simplified TCM treats it as a single block from late July to early September. Both interpretations are correct in their own context.

3. The five elements and the five seasons

Each season expresses one of the five elements (wu xing): wood, fire, earth, metal and water. Each element is paired with an organ system (yin), a hollow organ (yang), a colour, a flavour, an emotion and a climate energy. The model is not a description of physical chemistry; it is a framework for matching dietary, behavioural and clinical intervention to seasonal physiology.

4. Quick reference table

For everyday practice, this is the at-a-glance summary:

5. The five TCM seasons

Click each season for the full dietary plan, climate energy, common patterns and traditional dishes:

Spring — Liver season (Li Chun to Li Xia, ~4 Feb to ~4 May)

Spring is the season of new growth, expansion and the upward rise of yang qi. The Liver and Gallbladder are most active and most vulnerable. The diet shifts away from winter's heavy nourishing foods towards lighter, slightly sour, qi-moving foods: sprouts, asparagus, young leafy greens, modest sour flavour, pungent aromatics like spring onion and ginger. This is the season for a gentle, well-handled spring "cleanse" — not aggressive juice fasting, but a natural lightening of the diet that supports Liver detoxification.

Summer — Heart season (Li Xia to Li Qiu, ~5 May to ~6 Aug)

Summer is the season of maximum yang, expansion and outward energy. The Heart is most active and most exposed to summer-heat (shu). The diet shifts to cooling, light, slightly bitter foods to clear summer heat without chilling the digestion: watermelon, cucumber, mung bean soup, mint, light proteins and plenty of fluids. The single biggest mistake of modern summer eating is iced drinks and ice cream — cooling the body externally is fine; chilling the Stomach internally is not.

Late summer — Spleen season (~23 Jul to ~7 Sep)

Late summer — the humid harvest weeks at the turn of the year — corresponds to the earth element and the Spleen. It is the season of harmonising and grounding, when digestion is most easily disturbed by humidity and damp. The diet shifts to naturally sweet, easy-to-digest, yellow and orange foods: sweet potato, pumpkin, millet, congee, jujube, Chinese yam. Reduce or eliminate dairy, refined sugar and cold raw food — all damp-promoting foods that worsen the natural humidity of the season.

Autumn — Lung season (Li Qiu to Li Dong, ~7 Aug to ~6 Nov)

Autumn is the season of contraction, descent and gathering inward. The Lung and Large Intestine are most active and most vulnerable to the dominant climate energy: dryness (zao). The diet shifts to white, moistening, demulcent foods that protect the Lungs: pear, white fungus, lily bulb, lotus root, almond, walnut, pork. Drying spices and overly hot foods are reduced. The classical autumn dish — pear and rock sugar soup — is the kitchen-medicine response to autumn dryness.

Winter — Kidney season (Li Dong to Li Chun, ~7 Nov to ~3 Feb)

Winter is the season of storage, conservation and stillness. The Kidneys store essence (jing) — the deepest constitutional reserve — and winter is the season for replenishing it through warming, deeply nourishing food: lamb and beef stews, bone broth, walnuts, black sesame, kidney beans, root vegetables, slow-cooked tonic soups with goji and red dates. This is not the season to detox or fast aggressively; it is the season to build deep reserves through long-cooked, salty, black, warming food.

6. The seasonal transitions (jiao jie)

The 18-day transition periods between seasons — particularly the four "doyo" or "earthen" seams — are recognised in classical TCM as periods of heightened constitutional vulnerability. Digestion is more easily disturbed, sleep is often disrupted, mood may shift and minor health complaints often surface. The advice during transition periods is:

1. Eat especially carefully — warm cooked food, regular meals, no extremes.
2. Add easily digestible Spleen-supportive foods: congee, sweet potato, jujube, Chinese yam.
3. Reduce alcohol, caffeine and heavily processed food.
4. Get 8 hours of sleep where possible.
5. Acupuncture "tune-up" sessions at the season turn are highly recommended.

The most clinically significant transitions in the UK climate are the autumn-to-winter shift (around 7 November) where the Lung is vulnerable to cold-and-dry, and the spring rise (around early February) where rising Liver yang produces irritability, headaches and disturbed sleep.

7. Common seasonal eating mistakes

1. Tropical fruit year-round. Banana, mango, pineapple and similar are cooling, damp-producing fruits that don’t belong in northern winter or autumn diets. Save them for summer.
2. Iced drinks in winter. The single most common modern dietary mistake. Iced water with a winter meal forces the Stomach to work hard to warm what it must then digest, weakening Spleen function over the years.
3. Aggressive juice cleansing in winter. Winter is the season of conservation. Aggressive cleansing — raw juice fasts, very low calorie diets — depletes Kidney yang at exactly the time when it most needs to be conserved.
4. Heavy stews and roasts in midsummer. Summer needs lighter food. Heavy slow-cooked meat in July and August generates internal heat that worsens summer-heat patterns.
5. Salads as the staple year-round. Raw salad is a summer food in TCM. In autumn, winter and most of spring, vegetables are best lightly cooked — steamed, stir-fried, in soups.
6. Same breakfast year-round. Cold cereal with milk is a hot-weather food in TCM. Switch to porridge, congee or warm cooked breakfast in autumn and winter.
7. Ignoring the late-summer transition. The 6–8 weeks at the turn between summer and autumn are when humidity and the Spleen need most support — precisely when most people are eating ice cream and cold drinks.

8. Frequently asked questions

Why does Chinese spring start in February when it’s still cold?

The Chinese seasonal calendar is observation-based and tracks the rise and fall of yang qi rather than the visible weather. By Li Chun (~4 February), the imperceptible turning has begun: sap is rising, days are lengthening, and the body’s yang is starting to rise too. The visible warming follows a few weeks later. Adjusting your eating from early February gets you ahead of the seasonal change rather than playing catch-up.

Late summer doesn’t exist in Western seasons. How do I know when it is?

The simplest modern approach is: from about 23 July to 7 September, treat the period as late summer — humid, slightly sluggish, harvest weather. Switch from full summer cooling to grounding sweet earth-supporting foods. The most fluid interpretation is to listen to the weather and your body: when the air is heavy and humid and you feel sluggish, it is late summer.

Do I really need to change my diet five times a year?

The shifts are gradual and modest, not radical. About 70–80% of your diet stays similar across seasons; the seasonal layer is the additional 20–30% that you emphasise or reduce. Practically, this means: in spring, add sprouts and bitter greens; in summer, add cooling foods and ice off; in late summer, add congee and reduce dairy; in autumn, add pear and white fungus; in winter, add bone broth and root vegetables.

What if I have a strong constitutional pattern that doesn’t match the season?

Constitution overrides season for everyday eating. A strongly yang-deficient person should not eat a great deal of cooling summer food, even in summer; a strongly damp-heat person should keep cooling food year-round. The seasonal advice is for the broadly balanced; if you have a marked constitutional pattern, follow your constitution first and let seasonal adjustments be the lighter overlay.

Does seasonal eating apply in tropical climates?

The principles still apply but the calendar dates do not. In tropical climates, the wet season corresponds to late summer (high damp), the dry hot months correspond to summer, and the milder months correspond to autumn / spring. There is essentially no winter season, and traditional Chinese tropical-climate food therapy emphasises year-round damp-clearing.

9. Related pages

• Chinese food therapy
• Nine TCM body constitutions
• Foods by therapeutic action
• Five-colour eating
• Chinese food therapy recipes
• Therapeutic Chinese teas