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Blue Cohosh Uncovered: Herbal Monograph on an Ally for Women’s Wellness

The day before Mother's Day, I spent some time with my mom in the forest. We were foraging for some watercress in an area that is often hard to access because of the boggy conditions, but she was going to show me a new area with a lot of watercress growing that would not require the chance of slipping into the bog. (Which I have done on a few occasions, and have been perilously close to losing my shoes and socks.) On our way out with a bag full of delicious cress, we came across an area covered with waist-high blue cohosh just starting to bloom. I was super excited to find this medicinal plant here - it's a rare plant, and often over-harvested.


At the edge of the wet woodland, we saw huge patches of blue cohosh just beyond this boggy area full of wild ginger, skunk cabbage, and angelica.
At the edge of the wet woodland, we saw huge patches of blue cohosh just beyond this boggy area full of wild ginger, skunk cabbage, and angelica.

Introduction to Blue Cohosh

Blue cohosh, scientifically known as Caulophyllum thalictroides, is a perennial plant native to the hardwood forests of Central and Eastern North America. Traditionally referred to by names such as "papoose root," "yellow gingeng," "blue gingeng," "Seneca root," "blueberry root," "actée à grappes bleu," and "caulophylle," this herb is distinguished by its striking blue berries and deeply lobed, bluish-green leaves.


Historically, blue cohosh has been revered by American Indians for its medicinal properties, primarily as a women’s herb. Its uses have spanned from aiding childbirth to regulating menstrual cycles, making it a staple in traditional herbal medicine. Today, it continues to be explored for its therapeutic benefits, particularly in the realm of women's health, where it is valued for its potential to address various gynecological issues.

Blue cohosh full plant with blooms

Botanical Description

Blue cohosh is a distinctive perennial in the Barberry family that thrives under the canopy of these deciduous forests. This plant typically reaches a height of 1 to 3 feet and is notable for its striking, compound leaves that emerge a purplish color in early spring, maturing to a rich, bluish-green as the season progresses, but the color can sometimes appear as yellow-green depending on the light and soil.


The leaves of blue cohosh are divided into multiple leaflets, each deeply lobed and resembling the leaf structure of the wild columbine (Aquilegia canadensis). In early to mid-spring, the plant produces small, inconspicuous yellow to yellow-green flowers, which are clustered at the top of the stems. These flowers give way to bold, blue berries in the late summer and early fall, providing a striking contrast against the foliage.



The root system of blue cohosh is equally fascinating, comprising a thick, knotted rhizome that anchors the plant firmly in the rich, moist soil of the forest floor. This rhizome contains several key compounds that contribute to the plant’s medicinal properties and has been used by herbalists for centuries.


More details Colored plate from Millspaugh’s American Medical Plants showing anatomical detail of flower and creeping rhizome
Colored plate from Millspaugh’s American Medical Plants showing anatomical detail of the flower and creeping rhizome. Millspaugh, Charles Frederick - https://www.flickr.com/photos/biodivlibrary/6025391079

Historical Uses of Blue Cohosh

Blue cohosh has a rich history of use among various First Nations, who valued it highly for its medicinal properties. It was especially prominent among the Iroquois, Chippewa, and Mohegan peoples. Traditionally, blue cohosh was utilized primarily by women for use in childbirth and female reproductive health.


These herbalists used blue cohosh to facilitate labor and ease childbirth. It was believed to enhance uterine contractions and reduce labor duration. Additionally, it was employed to regulate menstrual cycles and relieve symptoms associated with menstruation, such as cramps and spasms. Beyond its uses in women's health, blue cohosh was also employed as a diuretic, a remedy for arthritis, and a treatment for sore throat and other respiratory conditions.


In the 19th century, as settlers learned about this plant from indigenous peoples, blue cohosh began to be incorporated into the materia medica of American Eclectic physicians—practitioners who emphasized botanical remedies. They prescribed it for similar gynecological purposes and also recommended it for cases of rheumatism and nervous disorders, and was one of several plants included in a popular Eclectic preparation called Mother's Cordial.


Blue cohosh leaves from above

Current Applications of Blue Cohosh

Blue cohosh remains a valued herb in contemporary herbal medicine, primarily for its applications in women's health. Its usage today is informed by both traditional practices and modern herbal insights, with a particular focus on its specific herbal actions and energetics.


Main Herbal Actions:

  • Emmenagogue: Blue cohosh is commonly used to stimulate menstruation and help regulate the menstrual cycle, making it a go-to herb for issues like delayed or absent periods.

  • Antispasmodic: It provides relief from muscle spasms and cramping, which is particularly beneficial during menstrual periods or in conditions like irritable bowel syndrome.

  • Uterine Tonic: Traditionally used to strengthen and tone the uterus, blue cohosh is employed in preparations for labor induction under professional supervision.


Additional Herbal Actions:

  • Anticonvulsant: Blue cohosh may help reduce seizure activity or convulsions. This use is less common and typically part of a broader herbal strategy for managing conditions that involve muscle spasms or neurological disturbances.

  • Antirheumatic: Used in herbal medicine to alleviate symptoms associated with rheumatic conditions, blue cohosh’s anti-inflammatory properties can help reduce joint pain and stiffness, though it is often used in conjunction with other herbs for this purpose.

  • Febrifuge: As a febrifuge, blue cohosh can help reduce fever. This action is likely linked to its ability to promote sweating (diaphoretic action) and its overall warming effect on the body, helping to manage the cold symptoms associated with fevers.

  • Emetic: In higher doses, blue cohosh acts as an emetic, inducing vomiting. This action is rarely sought after but may be used under specific circumstances in traditional practices to cleanse the stomach of toxins or poisons.

  • Sedative: Blue cohosh has sedative properties that can be employed to calm the nerves and reduce anxiety. Its antispasmodic action contributes to this effect by relieving physical tension, which can be a component of stress responses.


Herbal Energetics:

  • Thermal: Blue cohosh is generally considered to have a warming energy, which makes it suitable for treating conditions marked by cold symptoms, such as sluggish digestion, cold hands and feet, and an overall feeling of coldness.

  • Moisture: It tends toward dryness, helping to reduce excessive dampness in the body, which can manifest as edema or heavy menstrual flows.

  • Tension: While primarily tightening due to its tonifying effects on tissues, especially the uterus, blue cohosh also provides a balancing effect by easing tension, thanks to its antispasmodic properties.


Current Therapeutic Uses: Blue cohosh was in the official United States Pharmacopeia from 1882 to 1905 for labor induction and in the National Formulary from 1916 to 1950. In women’s health, blue cohosh is not only used for its effects on menstrual and reproductive issues but also for its potential benefits during menopause to alleviate symptoms such as hot flashes and mood swings. The warming and drying energetics of blue cohosh make it particularly suited for individuals with a cold and damp constitution, where these conditions manifest as bloating, sluggish digestion, or excessive mucus.


However, due to its potent actions and complex energetics, blue cohosh should be used with caution. It is especially important to avoid self-prescribing this herb during pregnancy and to consult with a professional herbalist or healthcare provider to ensure safe and appropriate use.


Scientific Research on Blue Cohosh

While blue cohosh has been used in traditional medicine for centuries, scientific research into its efficacy and safety is still developing. Here are some key studies and findings that provide insight into the medicinal potential and concerns associated with blue cohosh:

  • Phytochemical Properties: Research has identified several key compounds in blue cohosh, including alkaloids like caulophylline and saponins, which are believed to contribute to its medicinal actions, such as antispasmodic and uterotonic effects. These compounds highlight the herb’s potential in managing conditions like menstrual cramps and labor induction.

  • Effectiveness in Women’s Health: A few small-scale studies have explored the effectiveness of blue cohosh in women's health, particularly its traditional use to facilitate childbirth. However, these studies often highlight the need for caution, pointing out that while blue cohosh can stimulate uterine contractions, its use must be closely monitored due to potential side effects.

  • Safety Concerns: The safety of blue cohosh, especially during pregnancy, has been a significant focus of recent research. Studies have indicated potential risks, including increased blood pressure and reduced heart rate in newborns when used by pregnant women. These findings underscore the importance of consulting healthcare professionals before using blue cohosh in pregnancy.

  • Comparative Studies: Comparative research with other herbs used in similar contexts (e.g., black cohosh, red raspberry leaf) has been conducted to evaluate the relative safety and effectiveness of blue cohosh. These studies are crucial for understanding where blue cohosh stands in the herbal repertoire, particularly concerning safety profiles and therapeutic outcomes.

  • Toxicology Reports: Toxicology reports have documented cases where incorrect or excessive use of blue cohosh has led to adverse effects, emphasizing the need for proper dosing and professional oversight when using this herb.


The ongoing research into blue cohosh is crucial for validating traditional uses and ensuring safe practices in herbal medicine. As studies continue, they will likely provide a deeper understanding of how and when to use blue cohosh effectively and safely.



Blue cohosh root and rhizomes
Blue cohosh root and rhizomes

Spiritual Properties of Blue Cohosh

The spiritual aspects of blue cohosh are often intertwined with its physical healing properties, embodying a holistic approach to wellness that is characteristic of many traditional herbal practices. These include

  • Connection to Feminine Energy: Blue cohosh is deeply associated with feminine energy and the divine feminine. It has been used traditionally to support women’s health issues, particularly around childbirth and menstruation, fostering a deep connection with the cycles and phases of womanhood.

  • Empowerment and Protection: Historically, blue cohosh has been used in rituals intended to empower women and offer protection during vulnerable times, such as childbirth. It is believed to provide strength and courage, helping individuals to navigate transitions and challenges with resilience.

  • Balance and Harmony: Blue cohosh is thought to promote balance and harmony within the body and spirit. It aids in aligning physical health with emotional and spiritual states, facilitating a unified sense of well-being.

  • Cleansing and Renewal: Blue cohosh is sometimes used in practices aimed at cleansing and renewal. This use reflects its role in clearing away the old (whether physical ailments, negative energies, or emotional blockages) to make way for new beginnings and healthier states of being.

  • Meditative Aid: For those who engage in meditation and other spiritual practices, blue cohosh can be a supportive ally, enhancing focus and grounding the spirit. It helps in creating a tranquil environment, conducive to deep contemplation and spiritual exploration.


Unripe berries of blue cohosh
Unripe berries of blue cohosh

Safety and Precautions

While blue cohosh has valuable therapeutic properties, it is also associated with significant safety concerns that must be carefully considered.

  • Pregnancy and Lactation: Blue cohosh should not be used during pregnancy due to reports of stimulating uterine contractions and potential links to complications such as increased blood pressure and reduced heart rate in newborns. Its use is generally not recommended without the supervision of a healthcare professional. Similarly, there is insufficient information about its safety during lactation, and it is best avoided during this period.

  • Dosage Considerations: The correct dosage of blue cohosh is crucial to avoid toxicity. High doses can cause severe side effects, including nausea, vomiting, and increased blood pressure. Always follow the dosage guidelines provided by a professional herbalist or healthcare provider.

  • Contraindications: People with certain health conditions should avoid using blue cohosh. These conditions include hypertension (high blood pressure), heart disease, and liver disorders, as the herb may exacerbate these issues.

  • Drug Interactions: Blue cohosh may interact with other medications, particularly those affecting blood pressure and heart rate. It is essential to consult a healthcare provider before combining blue cohosh with any medications.

  • Long-term Use: Due to its potent effects, blue cohosh is not recommended for long-term use. Extended use can lead to an imbalance in body systems, potentially leading to more severe health issues.

  • Allergic Reactions: As with any herb, there is a possibility of allergic reactions. Signs of an allergic reaction include rash, itching, or difficulty breathing. If you experience these symptoms, discontinue use immediately and seek medical attention.


Given these safety concerns, it is advisable to approach blue cohosh with caution and respect for its powerful nature. Consulting with a healthcare provider or a qualified herbalist before using blue cohosh can ensure that it is used safely and effectively, and aligned with your specific health needs and conditions.


Want to learn more?

Join us for a special women's reproductive health herbalism class hosted at Healing Arts in Batavia, IL. This event will take place on Saturday, May 18th, 2024 from 10 AM to noon. The class will provide insights into natural and holistic approaches to women's health, including the use of herbs like blue cohosh, and will include Motherwort, Raspberry Leaf, Lady's Mantle, and Chasteberry.


Whether you're looking to expand your knowledge of herbal remedies or seeking new ways to support your reproductive health naturally, this class will offer valuable information and practical tips.


Space is limited, so be sure to reserve your spot early! For more information and to register, visit my website or contact Healing Arts directly (630) 937-4094. We look forward to seeing you there and exploring the powerful role of herbs in supporting wellness.


References & Additional Reading

Blue Cohosh. (2006). In Drugs and Lactation Database (LactMed). National Library of Medicine (US). http://www.ncbi.nlm.nih.gov/books/NBK501780/ 


Dugoua, J. J., Perri, D., Seely, D., Mills, E., & Koren, G. (2008). Safety and efficacy of blue cohosh (Caulophyllum thalictroides) during pregnancy and lactation. Canadian Journal of Clinical Pharmacology 15(1): e66–e73. Scopus. 


Lee, Y., Jung, J.C., Ali, Z., Khan, I.A., Oh, S. (2012) Anti-inflammatory effect of triterpene saponins isolated from Blue Cohosh (Caulophyllum thalictroides). Evid. Based Complement. Alternat. Med. 2012:798192. doi: 10.1155/2012/798192 


Perri, S. (2002). Getting to the root of it: A profile of blue cohosh. Midwifery Today 62: 27–28. 


Rader, J. I., & Pawar, R. S. (2013). Primary constituents of blue cohosh: Quantification in dietary supplements and potential for toxicity. Analytical and Bioanalytical Chemistry 405(13): 4409–4417. doi:10.1007/s00216-013-6783-7 


Romm, Aviva. (2010.) Botanical Medicine for Women's Health. Chapter 16 - Labor and Birth. pages 398-415. https://www.sciencedirect.com/science/article/abs/pii/B9780443072772000180


 

Legal Disclaimer: Adhara Alchemy is not a licensed medical professional practice and I am not a licensed medical professional. The information provided in my consultations is intended to support your overall health and wellness and is not intended to replace medical advice or treatment. It is important to work with your primary healthcare provider and inform them of any herbs or supplements you are taking. Herbs may have side effects, cause individual sensitivities, or interact with medications, and it is important to discuss these risks with your healthcare provider.

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