Herb Flower bud (花蕾 huā lěi)

Mei Hua

Plum blossom · 梅花

Prunus mume (Sieb.) Sieb. et Zucc. · Flos Mume

Also known as: Lü E Mei (绿萼梅), Lü Mei Hua (绿梅花)

Images shown are for educational purposes only

Plum blossom is a gentle, aromatic herb best known for easing emotional tension and digestive discomfort caused by stress. It is especially helpful for feelings of a lump in the throat, chest tightness, poor appetite, and upper abdominal pain linked to emotional upset. Often enjoyed as a simple herbal tea, it has been used in Chinese medicine for centuries as a mild mood-soothing and digestion-supporting remedy.

TCM Properties

Temperature

Neutral

Taste

Sour (酸 suān), Bitter (苦 kǔ), Astringent (涩 sè)

Channels entered

Liver, Stomach, Lungs

Parts used

Flower bud (花蕾 huā lěi)

Educational content Consult qualified TCM practitioners for diagnosis and treatment

What This Herb Does

Every herb has a specific set of actions — here's what Mei Hua does in the body, explained in both everyday and TCM terms

Therapeutic focus

In practical terms, Mei Hua is primarily used to support these areas of health:

TCM Actions

In TCM terminology, these are the specific therapeutic actions that Mei Hua performs to restore balance in the body:

How these actions work

'Soothes the Liver and regulates Qi' means Méi Huā gently unblocks the flow of Qi through the Liver system, which in TCM is responsible for the smooth movement of Qi throughout the body. When Liver Qi becomes stuck (a condition called Liver Qi Stagnation), it causes feelings of frustration, chest tightness, pain under the ribs, and a sense of emotional constraint. Méi Huā's mild, aromatic nature helps release this stagnation without being harsh or overly drying. It is particularly valued for emotional distress, irritability, and the physical tension that comes with suppressed feelings.

'Harmonizes the Stomach and stimulates appetite' refers to how Méi Huā helps restore normal digestive function when the Stomach's Qi is disrupted, often as a consequence of Liver Qi Stagnation overacting on the digestive organs. This manifests as poor appetite, bloating, belching, and upper abdominal discomfort. Classical sources note that Méi Huā helps "raise the clear Qi of the Spleen and Stomach," improving digestion and the desire to eat.

'Transforms Phlegm and dissipates nodules' describes Méi Huā's ability to address conditions where Phlegm (a pathological substance in TCM, not just respiratory mucus) and stagnant Qi combine and accumulate. The classic example is "plum-pit Qi" (méi hé qì), a sensation of a lump stuck in the throat that cannot be swallowed or coughed up. It is also traditionally used for scrofula (lymph node swellings). 'Generates fluids' reflects its mildly sour taste, which promotes saliva production and helps relieve thirst, particularly in hot weather when body fluids are depleted.

Patterns Addressed

In TCM, symptoms cluster into recognizable patterns of disharmony. Mei Hua is used to help correct these specific patterns.

Why Mei Hua addresses this pattern

Méi Huā directly addresses Liver Qi Stagnation through its aromatic, gently moving nature. Its sour taste has an affinity for the Liver channel, while its mildly bitter quality helps promote the smooth flow of Qi. Unlike stronger Qi-moving herbs, Méi Huā works gently and does not damage Yin or Blood, making it suitable for prolonged use and for patients with underlying deficiency. Its neutral temperature means it neither adds Heat nor Cold, making it appropriate when Liver Qi Stagnation has not yet transformed into Fire.

A practitioner would look for one or more of these signs

Feeling Of Chest Oppression

Chest tightness and fullness from emotional constraint

Hypochondriac Pain

Pain or distension along the ribs

Depression

Depressed mood, irritability, emotional frustration

Belching

Frequent belching due to Qi stagnation affecting the Stomach

Commonly Used For

These are conditions where Mei Hua is frequently used — but only when they arise from the specific patterns it addresses, not in all cases

Arises from: Plum Pit Qi Liver Qi Stagnation

TCM Interpretation

TCM views the sensation of a lump in the throat as arising from emotional constraint causing Liver Qi to stagnate. Over time, this stagnant Qi disrupts the body's fluid metabolism, leading to the accumulation of Phlegm. When Phlegm and Qi bind together in the throat, they create this characteristic sensation. The condition is strongly connected to stress, frustration, and suppressed emotions. The Liver, Lung, and Stomach channels all pass through the throat area, so dysfunction in any of these systems can contribute.

Why Mei Hua Helps

Méi Huā enters the Liver, Stomach, and Lung channels, giving it direct access to the organ systems involved in globus. Its core action of soothing the Liver and regulating Qi addresses the root cause (emotional stagnation), while its Phlegm-transforming ability helps dissolve the pathological accumulation in the throat. Its gentle, aromatic nature is especially suited to conditions of the throat and upper body. Classical sources specifically list it for treating throat obstruction sensations, and it is traditionally paired with Méi Guī Huā as a simple tea for this purpose.

Also commonly used for

Chronic Gastritis

Stress-related stomach inflammation with poor appetite

Depression

Mild depressive mood associated with Qi stagnation

Nausea

Morning sickness (traditionally used as a tea)

Neuroses

Functional neurological symptoms from emotional stress

Scrofula

Lymph node swellings (traditional indication)

Esophageal Spasms

Upper esophageal spasm with sensation of obstruction

Herb Properties

Every herb has an inherent temperature, taste, and affinity for specific channels — these properties determine how it interacts with the body

Temperature

Neutral

Taste

Sour (酸 suān), Bitter (苦 kǔ), Astringent (涩 sè)

Channels Entered

Liver Stomach Lungs

Parts Used

Flower bud (花蕾 huā lěi)

Dosage & Preparation

These are general dosage guidelines for Mei Hua — always follow your practitioner's recommendation, as dosages vary based on the formula and your individual condition

Standard dosage

3–5g

Maximum dosage

Up to 6g in decoction. Mei Hua is a mild, gentle herb and doses rarely need to exceed the standard range.

Dosage notes

The standard dose is 3 to 5g when used in decoction. For simple Qi stagnation affecting the Liver and Stomach (bloating, poor appetite, emotional irritability), 3g is often sufficient. For plum-pit Qi (mei he qi, the sensation of something stuck in the throat), doses at the higher end (5g) may be used in combination with phlegm-resolving herbs such as Ban Xia and Hou Po. Mei Hua is frequently used as a tea substitute: 3 to 6g of dried buds steeped in boiling water makes a pleasant, mildly fragrant drink suitable for daily use in cases of mild emotional constraint or poor appetite. When used externally for lip sores, fresh petals can be applied directly.

Preparation

Mei Hua is an aromatic flower herb and should not be decocted for long periods, which would destroy its volatile aromatic compounds. When included in a decoction, add it near the end (hou xia, 后下), simmering for only 5 minutes. More commonly, it is simply steeped in freshly boiled water and drunk as a tea, which best preserves its fragrance and Qi-moving properties.

Common Herb Pairs

These ingredients are traditionally combined with Mei Hua for enhanced therapeutic effect

Mei Gui Hua
Mei Gui Hua 1:1 (Méi Huā 3g : Méi Guī Huā 3g)

Méi Huā and Méi Guī Huā (rose flower) together provide a broader Qi-regulating effect. Méi Huā focuses on soothing the Liver and harmonizing the Stomach with its neutral temperature, while Méi Guī Huā adds mild warmth and also gently moves Blood. Together they address both Qi and Blood stagnation in the Liver channel, producing a stronger mood-lifting and digestive-regulating effect than either alone.

When to use: For Liver Qi Stagnation with emotional depression, chest tightness, globus sensation, or stress-related digestive discomfort. Especially useful as a simple herbal tea for daily mood and digestion support.

Ban Xia
Ban Xia 1:2 (Méi Huā 3g : Bàn Xià 6g)

Méi Huā regulates Qi and gently disperses stagnation in the throat, while Bàn Xià powerfully dries Dampness and transforms Phlegm. Together they address both the Qi stagnation and the Phlegm accumulation that combine to produce the plum-pit Qi (globus) sensation. Méi Huā works on the Qi aspect while Bàn Xià tackles the Phlegm component.

When to use: For plum-pit Qi (globus hystericus) where the patient feels a lump in the throat that cannot be swallowed or coughed up, often worsened by emotional stress.

Chai Hu
Chai Hu 2:1 (Chái Hú 6g : Méi Huā 3g)

Chái Hú is a stronger Liver Qi regulator that lifts and disperses stagnation, while Méi Huā provides a gentler, harmonizing support focused on the Liver-Stomach relationship. Together they provide thorough Liver Qi regulation: Chái Hú drives the main dispersing action while Méi Huā smooths the transition into the digestive system, reducing the risk of Stomach discomfort that stronger Qi-movers can sometimes cause.

When to use: For Liver Qi Stagnation with pronounced hypochondriac pain, chest distension, and concurrent digestive symptoms like poor appetite or epigastric discomfort.

Comparable Ingredients

These ingredients have overlapping uses — here's how to tell them apart

Mei Gui Hua
Mei Hua vs Mei Gui Hua

Both regulate Liver Qi and are classified as Qi-regulating herbs. However, Méi Guī Huā (rose flower) is warm in nature and also mildly moves Blood, making it better suited for menstrual pain and Blood stasis conditions. Méi Huā is neutral and focuses more on harmonizing the Stomach and transforming Phlegm, making it the better choice for globus sensation and stress-related digestive complaints without Blood stagnation. Méi Guī Huā's warmth makes it less suitable for patients with underlying Heat.

Fo Shou
Mei Hua vs Fo Shou

Both soothe the Liver and harmonize the Stomach, and both are mild, aromatic Qi regulators. Fó Shǒu (Buddha's hand citrus) is warmer and more strongly aromatic, with a greater focus on drying Dampness and resolving Phlegm in the Spleen and Stomach. Méi Huā is milder overall and better suited to patients who need gentle treatment, or where there is mild fluid deficiency, since its sour taste generates fluids rather than drying them.

Xiang Fu
Mei Hua vs Xiang Fu

Both regulate Liver Qi, but Xiāng Fù (cyperus) is significantly stronger and is considered one of the most important Qi-regulating herbs in TCM. Xiāng Fù is acrid and slightly warm, with a powerful dispersing action particularly for menstrual irregularity and pain. Méi Huā is much gentler and more suitable for mild emotional constraint, daily use as a tea, and cases where a strong dispersing herb would be too forceful.

Common Substitutes & Adulterants

Related species and common adulterations to be aware of when sourcing Mei Hua

The most common point of confusion is between Mei Hua (梅花, the flower of Prunus mume) and La Mei Hua (蜡梅花, the flower of Chimonanthus praecox, wintersweet). Despite both being called "winter plum blossoms" colloquially, they are from entirely different plant families (Rosaceae vs. Calycanthaceae) and have different properties. La Mei Hua roots are toxic. Within Mei Hua itself, the single-petalled green-calyx variety (Lu E Mei, 绿萼梅) is the preferred medicinal grade, but it may be substituted with red or pink double-petalled ornamental varieties that have weaker therapeutic effect. The classical sources specify that double-petalled (千叶) forms are inferior to single-petalled (单叶) forms for medicine. Authentic Lu E Mei should have distinctly green-coloured sepals rather than red or brown ones.

Educational content — always consult a qualified healthcare provider or TCM practitioner before using any herb.

Toxicity Classification

Classical Chinese pharmacopoeia toxicity rating for Mei Hua

Non-toxic

Mei Hua (the flower bud of Prunus mume) is classified as non-toxic. Classical sources explicitly state it is "微酸涩无毒" (slightly sour, astringent, and non-toxic). The flower buds do not contain significant levels of the cyanogenic glycosides (such as amygdalin) found in the seeds and kernels of the fruit. At standard medicinal doses (3 to 6g), no toxicity concerns have been reported. No special processing is required to render it safe.

Contraindications

Situations where Mei Hua should not be used or requires extra caution

Caution

Yin deficiency with internal Heat without Qi stagnation. Mei Hua is a Qi-regulating herb that can further deplete Yin if used inappropriately in pure deficiency patterns without Liver Qi stagnation.

Caution

Pregnancy. Some sources note potential mild blood-moving and white blood cell-lowering properties that could theoretically affect the fetus. Use only under practitioner guidance.

Caution

Known allergy or hypersensitivity to Prunus mume or other Rosaceae family plants. Individuals with pollen allergies should exercise caution.

Special Populations

Important considerations for pregnancy, breastfeeding, and pediatric use

Pregnancy

Use with caution during pregnancy. Some Chinese sources advise that pregnant women should avoid Mei Hua due to its potential mild blood-moving properties and possible effect on white blood cell counts. However, classical formulas from the Zhejiang Medicinal Plant Compendium actually record Mei Hua tea (6g steeped) for treating pregnancy-related nausea. At standard low doses (3 to 5g), the risk appears minimal, but consultation with a qualified practitioner is recommended before use during pregnancy.

Breastfeeding

No specific contraindications for breastfeeding have been documented in classical or modern sources. Mei Hua is classified as non-toxic and is commonly used as a food-grade tea in China. At standard doses (3 to 5g), it is generally considered compatible with breastfeeding. However, as with all herbal medicines during lactation, use should be guided by a qualified practitioner.

Children

Mei Hua is non-toxic and mild in nature, making it generally suitable for children when indicated. Dosage should be reduced proportionally based on age and body weight, typically to one-third to one-half of the adult dose. It is most often given to children as a gentle tea infusion rather than in strong decoctions. Not commonly used as a standalone pediatric remedy.

Drug Interactions

If you are taking pharmaceutical medications, be aware of these potential interactions with Mei Hua

No well-documented drug interactions have been established for Mei Hua in the pharmacological literature. The flower buds contain flavonoids (such as rutin and quercetin), organic acids, and volatile oils, but in the small doses used medicinally, clinically significant interactions with pharmaceutical drugs are unlikely.

As a theoretical precaution, the flavonoid content could have mild effects on platelet aggregation (based on in vitro studies showing aldose reductase and platelet aggregation inhibition from Prunus mume flower extracts), so practitioners may wish to exercise caution in patients taking anticoagulant or antiplatelet medications, though this interaction has not been confirmed in clinical practice at standard tea or decoction doses.

Dietary Advice

Foods and dietary considerations when taking Mei Hua

When taking Mei Hua for Liver Qi stagnation, avoid greasy, heavy, or difficult-to-digest foods that can worsen Qi stagnation. Favour light, easily digested meals. Reduce intake of sour foods if the Liver is already overacting on the Spleen and Stomach. Mei Hua pairs well with porridge (congee), a traditional preparation dating back centuries that supports the Stomach while the herb gently moves stagnant Qi.

Botanical Description

Physical characteristics and morphology of the Mei Hua source plant

Prunus mume (Sieb.) Sieb. et Zucc. is a deciduous tree in the Rosaceae (rose) family, native to southern China. It typically grows 4 to 10 metres tall with a rounded to spreading crown, smooth grey-green bark, and slender branches that may arch gracefully. The leaves are alternate, simple, ovate to broadly oval with sharply serrate margins, 4 to 8 cm long, emerging after the flowers have bloomed.

The flowers appear in mid-winter through early spring (January to March), before the leaves emerge, making this tree one of the earliest-blooming ornamentals. Flowers are solitary or borne in pairs on very short stalks, with five petals (though cultivated forms may be double), 2 to 2.5 cm in diameter, ranging from white to pink and red, with a rich, sweet fragrance. The green calyx has five sepals and there are numerous stamens. In the wild, the tree grows in thickets on hillsides, mountain slopes, and along trails at elevations up to 3,100 metres. Over 300 cultivars have been documented in China, divided into categories including upright, pendulous, and tortuous growth forms.

The medicinal part (Mei Hua) is the dried flower bud, harvested in early spring before the flowers fully open. The preferred variety for medicinal use is the single-petalled green-calyx form known as Lu E Mei (绿萼梅), valued above all other colour forms.

Sourcing & Harvesting

Where Mei Hua is sourced, when it's harvested or collected, and how to assess quality

Harvesting season

Early spring, before the flowers fully open (typically January to February). Unopened or barely opening buds are preferred, then promptly dried at low temperature.

Primary growing regions

Mei Hua is native to southern and southwestern China. Historically, the primary producing regions were Sichuan, Hubei, Jiangsu, and Zhejiang provinces. Modern textual research shows that the main medicinal production areas have gradually shifted to the southern Anhui (皖南) region. Jiangsu and Zhejiang remain important sources. The green-calyx variety (Lu E Mei) cultivated in Zhejiang Province is particularly prized for medicinal use. The tree also grows widely across East Asia including Japan, Korea, and Vietnam, but Chinese-origin material is considered standard for medicinal purposes.

Quality indicators

Good quality Mei Hua buds are globe-shaped, 3 to 6mm in diameter, with a short stalk attached. The outer bract scales should be brownish and layered. The calyx should be greyish-green (for green-calyx Mei) or brownish-red. Petals should be yellowish-white or pale pink, with numerous stamens visible. The whole bud should be lightweight, intact (not broken or crushed), and possess a distinctly clean, sweet fragrance. The taste should be mildly sour and slightly astringent. Single-petalled green-calyx buds (Lu E Mei, 绿萼梅) are considered the highest quality for medicinal use. Unopened or barely opening buds are stronger than fully opened flowers. Avoid buds that are dark, mouldy, overly fragmented, or lacking fragrance.

Classical Texts

Key passages from the classical Chinese medical texts that describe Mei Hua and its therapeutic uses

《本草纲目拾遗》(Supplement to the Compendium of Materia Medica) — Zhao Xuemin, Qing Dynasty

Original: 「纲目载梅花无治方,止言点汤煮粥助雅致而已……殆亦不知梅花之用,入药最广,而功效亦最大。」

Translation: "The Compendium [of Materia Medica] records no therapeutic formulas for Mei Hua, only mentioning it for flavouring teas and porridge as an elegant refinement... [The author] apparently did not know that Mei Hua's use in medicine is most extensive, and its efficacy most great."


《百草镜》(Mirror of a Hundred Herbs), cited in 《本草纲目拾遗》

Original: 「梅花冬蕊春开,其花不畏霜雪,花后发叶,得先天气最足,故能解先天胎毒。有红、白、绿萼、千叶、单叶之分,惟单叶绿萼入药尤良。采能不犯人手更佳。含苞者力胜。性寒,或曰平,味酸涩清香,开胃散郁,煮粥食,助清阳之气上升。」

Translation: "Mei Hua forms buds in winter and blooms in spring; the flowers are not afraid of frost and snow. Leaves appear only after the flowers, indicating it receives primordial Qi in the fullest measure and can thus resolve congenital foetal toxins. There are red, white, green-calyx, double-petal, and single-petal varieties, but the single-petalled green-calyx form is best for medicine. If gathered without being touched by human hands, even better. Unopened buds have the strongest potency. The nature is cold (some say neutral), the taste sour, slightly astringent and fragrant. It opens the Stomach and disperses stagnation; when cooked in porridge, it assists the clear Yang Qi to ascend."


《本草原始》(Original Materia Medica)

Original: 「花微酸涩无毒,清头目,利肺气,去痰壅滞上热。」

Translation: "The flower is slightly sour and astringent, non-toxic. It clears the head and eyes, benefits the Lung Qi, and removes phlegm accumulation and upper-body Heat."

Historical Context

The history and evolution of Mei Hua's use in Chinese medicine over the centuries

Mei Hua holds a uniquely exalted position in Chinese culture and medicine. The plum tree (mei, 梅) has been cultivated in China for over 3,000 years, and the character 梅 itself is a phono-semantic compound combining the radical for "tree" (木) with a phonetic component (每). The plum blossom's habit of flowering in the depths of winter, defying frost and snow, made it a powerful symbol of resilience and moral integrity. Together with pine and bamboo, it forms the "Three Friends of Winter" (岁寒三友), and its five petals are traditionally said to represent the five blessings: happiness, longevity, good fortune, virtue, and peaceful death.

Despite this cultural prominence, the medicinal use of Mei Hua was slow to develop in the classical literature. Li Shizhen's Ben Cao Gang Mu (1578) mentioned the flowers only as a culinary garnish for tea and porridge. It was not until the Qing Dynasty that Zhao Xuemin, in his Ben Cao Gang Mu Shi Yi (1765), significantly expanded the medicinal documentation, criticizing earlier texts for overlooking Mei Hua's therapeutic value. Zhao recorded numerous formulas, including its use in the famous "Mei Hua Dian She Dan" (Plum Blossom Tongue-Touching Pill) for treating boils and toxic swellings. The literary classic Dream of the Red Chamber also references Mei Hua in Xue Baochai's "Cold Fragrance Pill," using white plum blossom stamens to benefit the Lung Qi and clear phlegm.

A celebrated legend from the Southern Dynasties tells of Princess Shouyang of the Liu Song court, who fell asleep under a plum tree in the Hanzhang Palace. A plum blossom drifted onto her forehead, leaving a beautiful mark that could not be wiped away. Court ladies began imitating this "plum blossom makeup" (梅花妆), which became a fashion lasting centuries.

Modern Research

4 published studies investigating the pharmacological effects or clinical outcomes of Mei Hua

1

Comprehensive Review of Phytochemical Constituents, Pharmacological Properties, and Clinical Applications of Prunus mume (Systematic Review, 2021)

Gong XP, Tang Y, Song YY, Du G, Li J. Frontiers in Pharmacology, 2021, 12:679378.

This systematic review collected evidence from multiple databases and found that approximately 192 compounds have been isolated from different parts of the Prunus mume plant, including phenolics, organic acids, terpenes, and flavonoids. The review documented pharmacological activities including anti-diabetic, liver-protective, antitumour, antimicrobial, antioxidant, and anti-inflammatory effects from preclinical studies.

2

Efficacy of a Standardized Extract of Prunus mume in Liver Protection and Redox Homeostasis (RCT, 2016)

Beretta A, Accinni R, Dellanoce C, Tonini A, Cardot JM, Bussiere A. Phytotherapy Research, 2016, 30(6):949-955.

A double-blind, placebo-controlled trial in 45 healthy subjects with mildly elevated liver enzymes found that a standardized Prunus mume extract (150mg) over 3 months significantly reduced ALT (47%), improved HDL cholesterol (13%), lowered triglycerides (8%), and enhanced antioxidant markers. Note: this study used fruit extract, not flower buds specifically.

3

Anticancer Properties of Prunus mume Extracts (Review, 2020)

Bailly C. Journal of Ethnopharmacology, 2020, 246:112215.

This review analysed the anticancer activities of Prunus mume extracts from in vitro data and limited animal/human studies. The authors found preliminary evidence supporting use against gastrointestinal tumours and for alleviating chemotherapy-induced mucositis, though they noted more robust clinical evidence in humans is still needed.

4

Radical Scavenging Constituents from the Flowers of Prunus mume (Preclinical, 2003)

Yoshikawa M, Murakami T, Ishiwada T, Morikawa T, Kagawa M, Higashi Y, Matsuda H. Chemical and Pharmaceutical Bulletin, 2002, 50(1):83-86; Journal of Natural Medicines (follow-up work).

Researchers found that the methanolic extract of fresh Prunus mume flowers and its fractions showed significant scavenging effects on DPPH radicals and superoxide radicals. Novel polyacylated sucroses and flavonol glycosides were isolated, with inhibitory effects on aldose reductase and platelet aggregation, suggesting potential applications in preventing diabetic complications.

PubMed

Research on individual TCM herbs is growing but still limited by Western clinical trial standards. These studies provide emerging evidence and should be considered alongside practitioner expertise.