# Plant Monograph: Motherwort
**Name of plant:**
Motherwort
**Catch phrase (Carmina Gadelica or traditional invocation if available):**
No specific Carmina Gadelica invocation is recorded for Motherwort. Traditional European herbalists often referred to it as "the herb of the mother's heart," reflecting its long-standing use for both emotional and reproductive support.
**Family:**
Lamiaceae (Mint Family)
**Genus and species:**
*Leonurus cardiaca* L.
**Other names:**
* Common Motherwort
* Lion's Tail
* Throw-Wort
* Lion's Ear (historically, though more properly applied to *Leonotis* species)
* Cowwort
* Mother's Herb
* Cardiaca
* Heartwort
* Honeywort
* Ear of the Lion
**Brief introduction:**
Motherwort is a hardy perennial herb native to central Asia and southeastern Europe, now naturalized throughout North America and much of Europe. Growing 60–150 cm tall, it bears deeply lobed leaves and whorls of pink to lavender flowers. Traditionally valued for women's health, emotional balance, and cardiovascular support, Motherwort has been used for centuries as a calming tonic for both the heart and nervous system.
**Traditional uses:**
* Support for menstrual discomfort
* Relief of anxiety and nervous tension
* Regulation of delayed or irregular menstruation
* Support for palpitations associated with stress
* Postpartum recovery and emotional support
**Historical use:**
* Used by medieval European herbalists for "melancholy of the heart"
* Recommended by Nicholas Culpeper for strengthening the heart
* Administered to women during childbirth recovery
* Employed as a uterine tonic in traditional European medicine
* Used in monastery and cottage herb gardens throughout Europe
**Parts used and method of use:**
* Aerial flowering parts
* Leaves
Used as:
* Infusion (tea)
* Tincture
* Fluid extract
* Traditional herbal vinegar
**Use in healing (modern herbal practice):**
* Nervine for anxiety and emotional tension
* Supportive herb for stress-related palpitations
* Menstrual support for cramping and irregular cycles
* Mild hypotensive support in stress-related hypertension
* Support during menopause and hormonal transitions
**Pharmacology and biochemistry:**
* Leonurine
* Stachydrine
* Flavonoids and diterpenes
Mechanisms:
* Mild calming action on the central nervous system
* Potential modulation of cardiac rhythm and vascular tone
* Mild uterine tonic and antispasmodic activity
Overall profile:
Motherwort is a classic nervine and cardiac tonic traditionally used when emotional distress affects both the reproductive and cardiovascular systems. It combines calming, antispasmodic, and mild cardiotonic actions, making it particularly valued for stress-related symptoms accompanied by palpitations or menstrual irregularity.
**Common dosage:**
* Infusion: 2–4 g dried herb per cup, up to 3 times daily
* Tincture (1:5): 2–5 mL, up to 3 times daily
* Fluid extract: 1–2 mL, up to 3 times daily
* Dried herb capsules: 300–1000 mg daily
**Safety factors (including side effects):**
* Avoid during pregnancy except under qualified professional supervision
* May stimulate uterine activity
* Can cause digestive upset in sensitive individuals
* Rare allergic reactions may occur
* Excessive use may contribute to dizziness or low blood pressure
**First aid / adverse reaction response:**
* Gastrointestinal upset: Reduce dosage or discontinue use
* Dizziness or lightheadedness: Stop use and monitor symptoms
* Allergic reaction: Discontinue immediately and seek medical advice
* Excessive uterine cramping: Stop use and obtain medical evaluation
**Drug interactions:**
* Possible additive effects with antihypertensive medications
* Potential interaction with anticoagulant or antiplatelet medications
* Possible additive effects with sedative medications
* General interaction considerations: Use caution with medications affecting blood pressure, heart rhythm, or uterine activity
**Horticultural requirements:**
* USDA / Canadian zone: 3–8
* Soil pH: 6.0–7.5
* Light requirements: Full sun to partial shade
* Moisture: Moderate; prefers well-drained soil
* Other notes (growth habit, harvest timing, etc.):
* Upright perennial reaching 60–150 cm in height
* Flowers from mid-summer through early autumn
* Harvest aerial parts during flowering
* Common in disturbed soils, roadsides, and garden settings
* Easily propagated by seed, division, or self-seeding
**Sampling of clinical reports / studies:**
* Small clinical studies have reported benefits for anxiety, palpitations, and mild hypertension
* Laboratory studies demonstrate cardioprotective, antioxidant, and anti-inflammatory activity
* Phytochemical investigations have identified leonurine, stachydrine, flavonoids, and diterpenes as key constituents
* Ethnobotanical evidence documents centuries of use in European, Russian, and Chinese herbal traditions
* Overall assessment of evidence: Strong traditional support and encouraging preliminary scientific evidence for cardiovascular and nervous system applications, though larger, well-controlled clinical trials remain limited.
Educational Use Only: The information presented on this page is provided for educational, historical, and informational purposes only. ArdNemeton na Tuatha and Bhùth Draoi do not provide medical advice. Always consult your physician and pharmacist before using any herb, mushroom, supplement, or botanical product for medicinal purposes. Traditional uses described herein do not constitute medical claims.