Omnia SanaPlant Comparison
Hawthorn vs Cowslip
A side-by-side comparison of two medicinal plants — every documented constituent, action, use, safety note and cited source, assembled automatically from the Omnia Sana database.
At a glance
Hawthorn and Cowslip: they share 4 indicated uses (arthritis / joint pain, inflammation (general), insomnia / sleeplessness, …); 3 pharmacological actions in common.
Evidence face-off — shared uses
| Condition | Hawthorn | Cowslip | Verdict |
|---|---|---|---|
| Arthritis / joint pain | 1/10 | 1/10 | Comparable evidence |
| Inflammation (general) | 1/10 | 1/10 | Comparable evidence |
| Insomnia / sleeplessness | 1/10 | 1/10 | Comparable evidence |
| Skin irritation | 1/10 | 1/10 | Comparable evidence |
Evidence scores (1–10) are computed from the tier of each cited source. “Comparable” means the two scores are within one point. Follow a score to its detailed sources.
Key Constituents
Principal cardioprotective and antioxidant polyphenols characterised by chemical profiling of leaf, flower and fruit.
Contribute to the vasoactive and antioxidant effects, the basis for extract standardisation.
Pharmacological Actions
Traditional & Indicated Uses
inferred from anti-inflammatory action
inferred from anticancer action
inferred from anti-inflammatory action
inferred from sedative action
inferred from anti-inflammatory action
inferred from anti-inflammatory action
inferred from sedative action
Safety, Cautions & Contraindications
Generally well tolerated. Hawthorn should not replace prescribed cardiac medications without medical supervision. May potentiate the effects of cardiac glycosides (digoxin), antihypertensive drugs, and coronary dilators. Not recommended during pregnancy and breastfeeding due to insufficient safety data. Mild side effects (nausea, dizziness, GI upset) occasionally reported.
Duke (2002) rates hawthorn as +++ — one of the most clinically supported cardiovascular herbs. Clinical evidence (score 2) supports its use for decreasing cardiac output (NYHA functional Stage II heart failure), as recognized by Commission E. Key activities include vasodilation, positive inotropic effects, and antioxidant protection of vascular tissue. Dose: 160–900 mg standardized leaf/flower extract (containing 18.75% oligomeric proanthocyanidins) daily. Duke emphasizes that hawthorn should not replace conventional heart failure therapy, and therapeutic effects may take 4–8 weeks to emerge. Mild interactions with cardiac glycosides (digitalis) are possible (Duke, 2002).
Allergy risk: avoid if you’re allergic to cowslip/other Primula species (European Medicines Agency, 2012). Stomach sensitivity: use caution if you have gastritis or a stomach ulcer—cowslip can upset the stomach in some people (European Medicines Agency, 2012). Possible side effects (especially high dose): nausea, vomiting, diarrhea; allergic reactions can happen (European Medicines Agency, 2012). Pregnancy/breastfeeding: not recommended due to lack of good safety data (European Medicines Agency, 2012). Kids: many preparations are not recommended under 12 (and some root extracts under 4) unless a labeled product specifically allows it (European Medicines Agency, 2012).
Duke (2002) provides clinical evidence (score 2) for cowslip's expectorant and secretolytic activities, consistent with Commission E approval for bronchitis and cough with mucus. Dose: 0.5–1 g root or 1–2 g herb as tea three times daily. Saponins in the root are responsible for the expectorant action. Duke warns that the plant may cause hemolysis in large doses due to saponin content, and caution is warranted in individuals with aspirin sensitivity due to phenolic acid content (Duke, 2002).
External Ids
Botanical Description
Small deciduous tree or large shrub, densely thorny, with deeply lobed, glossy leaves (more deeply cut than midland hawthorn). Clusters of small, five-petalled white flowers with a strong, musky scent appear in spring ('May blossom'), followed by small red berries (haws), each containing a single seed (nutlet) - the origin of the species name monogyna.[4]
Low perennial herb (Primulaceae) forming a basal rosette of wrinkled, oval, softly hairy leaves that taper abruptly to a winged stalk. A single leafless flowering stem rises from the rosette bearing a one-sided umbel of small, fragrant, deep yellow, funnel-shaped flowers with orange spots at the throat, nodding on slender pedicels.[10]
Habitat
One of the commonest hedgerow and scrub trees of Europe, growing in hedgerows, woodland edges, scrub and pasture on a wide range of soils; native to Europe, North Africa and Western Asia.[4]
Native across Europe and western Asia, growing in unimproved, species-rich grassland, meadows, pastures, open woodland and hedge banks on calcareous or well-drained soils.[10]
Harvesting
Flowers are picked as they open in May, leaves are picked with the young flowering shoots, and the ripe red berries (haws) are gathered in autumn after the first frosts soften them slightly; all three parts are traditionally combined.[4]
Flowers are picked in spring as they open; the root/rhizome is dug in autumn.
Traditional Uses
Common hawthorn shares the same long cardiovascular and calming tradition as midland hawthorn, used across European herbal medicine as a heart tonic for mild circulatory complaints, palpitations and nervous tension, and remains one of the most clinically studied cardiovascular botanicals.[4]
Cowslip has a long European folk tradition as an expectorant remedy for coughs and bronchial catarrh, and the flowers have traditionally been used as a mild sedative and for headache. Modern research on its saponin-rich root supports secretolytic (mucus-thinning) expectorant activity, and its flowers are rich in antioxidant phenolics.[1, 6]
Preparations
Leaf-and-flower extract standardised to flavonoid or procyanidin content, taken as tablets or capsules; the best-studied clinical form.
Dosage
The EU herbal monograph on Crataegus spp., folium cum flore gives dry extracts in divided daily doses of 240-900 mg (single dose 80-450 mg) or, for one quantified extract, 570-1750 mg daily (single dose 190-350 mg), in adults and elderly. If symptoms persist longer than 2 weeks a doctor should be consulted, and hawthorn is never used as a substitute for prescribed heart medication without medical supervision. Educational reference only, not a prescription.
The EU herbal monograph gives 1-2 g of the comminuted leaf and flower in 150 mL of boiling water as an infusion, up to 4 times daily (maximum 6 g daily), in adults and elderly. Educational reference only, not a prescription.
References
Drug Class Interactions
Lookalikes Review
References & Sources
- Ez-Zahra Amrati, F., Mssillou, I., Boukhira, S., Djiddi Bichara, M. et al (2024) 'Phenolic Composition of Crataegus monogyna Jacq. Extract and Its Anti-Inflammatory, Hepatoprotective, and Antileukemia Effects', Pharmaceuticals (Basel), 17(6), pp. 786. doi:10.3390/ph17060786 Preclinical
https://doi.org/10.3390/ph17060786 - Lis, M., Szczypka, M., Suszko-Pawłowska, A., Sokół-Łętowska, A. et al (2019) 'Hawthorn (Crataegus monogyna) Phenolic Extract Modulates Lymphocyte Subsets and Humoral Immune Response in Mice', Planta Medica, 86(2), pp. 160-168. doi:10.1055/a-1045-5437 Preclinical
https://doi.org/10.1055/a-1045-5437 - Paun, G., Neagu, E., Albu, C., Alecu, A. et al (2024) 'Antioxidant and Antidiabetic Activity of Crataegus monogyna L. and Cornus mas Fruit Extracts', Molecules, 29(15), pp. 3595. doi:10.3390/molecules29153595 Preclinical
https://doi.org/10.3390/molecules29153595 - Nabavi, S.F., Habtemariam, S., Ahmed, T., Sureda, A., Daglia, M. and Sobarzo-Sanchez, E (2015) 'Polyphenolic Composition of Crataegus monogyna Jacq.: From Chemistry to Medical Applications', Nutrients, 7(9), pp. 7708-7728. doi:10.3390/nu7095361 Meta-analysis / review
https://doi.org/10.3390/nu7095361 - Belabdelli, F., Bekhti, N., Piras, A., Benhafsa, F.M., Ilham, M. and Adil, S (2021) 'Chemical composition, antioxidant and antibacterial activity of Crataegus monogyna leaves' extracts', Natural Product Research, 36(12), pp. 3234-3239. doi:10.1080/14786419.2021.1958215 Preclinical
https://doi.org/10.1080/14786419.2021.1958215 - Jalali, A.S., Hasanzadeh, S. and Malekinejad, H (2012) 'Crataegus monogyna aqueous extract ameliorates cyclophosphamide-induced toxicity in rat testis: stereological evidences', Acta Medica Iranica, 50(1), pp. 1-8. Preclinical
https://scholar.google.com/scholar?q=Crataegus%20monogyna%20aqueous%20extract%20ameliorates%20cyclophosphamide-induced%20toxicity%20in%20rat%20testis%3A%20stereological%20evidences - Martin-Garcia, B., Razola-Diaz, M.D.C., Gomez-Caravaca, A.M., Benitez, G. and Verardo, V (2021) 'Setup of an Ultrasonic-Assisted Extraction to Obtain High Phenolic Recovery in Crataegus monogyna Leaves', Molecules, 26(15), pp. 4536. doi:10.3390/molecules26154536 Preclinical
https://doi.org/10.3390/molecules26154536 - Arslan, R., Bektas, N., Bor, Z. and Sener, E (2014) 'Evaluation of the antithrombotic effects of Crataegus monogyna and Crataegus davisii in the carrageenan-induced tail thrombosis model', Pharmaceutical Biology, 53(2), pp. 275-279. doi:10.3109/13880209.2014.914957 Preclinical
https://doi.org/10.3109/13880209.2014.914957 - Edwards, J.E., Brown, P.N., Talent, N., Dickinson, T.A. and Shipley, P.R (2012) 'A review of the chemistry of the genus Crataegus', Phytochemistry, 79, pp. 5-26. doi:10.1016/j.phytochem.2012.04.006 Meta-analysis / review
https://doi.org/10.1016/j.phytochem.2012.04.006 - Jarzycka, A., Lewinska, A., Gancarz, R. and Wilk, K.A (2013) 'Assessment of extracts of Helichrysum arenarium, Crataegus monogyna, Sambucus nigra in photoprotective UVA and UVB; photostability in cosmetic emulsions', Journal of Photochemistry and Photobiology B: Biology, 128, pp. 50-57. doi:10.1016/j.jphotobiol.2013.07.029 Preclinical
https://doi.org/10.1016/j.jphotobiol.2013.07.029 - Lucconi, G., Chlapanidas, T., Martino, E., Gaggeri, R., Perteghella, S. and Rossi, D (2013) 'Formulation of microspheres containing Crataegus monogyna Jacq. extract with free radical scavenging activity', Pharmaceutical Development and Technology, 19(1), pp. 65-72. doi:10.3109/10837450.2012.752387 Preclinical
https://doi.org/10.3109/10837450.2012.752387 - Zorniak, M., Szydlo, B. and Krzeminski, T.F (2017) 'Crataegus special extract WS 1442: up-to-date review of experimental and clinical experiences', Journal of Physiology and Pharmacology, 68(4), pp. 521-526. Meta-analysis / review
https://scholar.google.com/scholar?q=Crataegus%20special%20extract%20WS%201442%3A%20up-to-date%20review%20of%20experimental%20and%20clinical%20experiences - European Medicines Agency (2016) 'European Union herbal monograph on Crataegus spp., folium cum flore'. Traditional / reference
https://scholar.google.com/scholar?q=European%20Union%20herbal%20monograph%20on%20Crataegus%20spp.%2C%20folium%20cum%20flore - Pittler, M.H., Guo, R. and Ernst, E (2008) 'Hawthorn extract for treating chronic heart failure'. Traditional / reference
https://scholar.google.com/scholar?q=Hawthorn%20extract%20for%20treating%20chronic%20heart%20failure - Royal Botanic Gardens, Kew (n.d.). Available at: https://powo.science.kew.org Traditional / reference
https://powo.science.kew.org - Duke, J.A (2002) 'Handbook of Medicinal Herbs, Second Edition'. Traditional / reference
https://scholar.google.com/scholar?q=Handbook%20of%20Medicinal%20Herbs%2C%20Second%20Edition - Tankanow, R., Tamer, H.R., Streetman, D.S., Smith, S.G., Welton, J.L., Annesley, T., Aaronson, K.D. and Bleske, B.E (2003) 'Interaction study between digoxin and a preparation of hawthorn (Crataegus oxyacantha)', Journal of Clinical Pharmacology, 43(6), pp. 637-642. doi:10.1177/0091270003253417 Randomized trial
https://doi.org/10.1177/0091270003253417 - Pittler, M.H., Guo, R. and Ernst, E (2008) 'Hawthorn extract for treating chronic heart failure', Cochrane Database of Systematic Reviews, 2008(1), pp. CD005312. doi:10.1002/14651858.CD005312.pub2 Meta-analysis / review
https://doi.org/10.1002/14651858.CD005312.pub2 - Pittler, M.H., Guo, R. and Ernst, E (2008) 'Hawthorn extract for treating chronic heart failure', Cochrane Database of Systematic Reviews, 2008(1), pp. CD005312. doi:10.1002/14651858.CD005312.pub2 Meta-analysis / review
https://doi.org/10.1002/14651858.CD005312.pub2 - Ghasemzadeh Rahbardar, M. and Hosseinzadeh, H (2024) 'Therapeutic potential of hypnotic herbal medicines: A comprehensive review', Phytotherapy Research, 38(6), pp. 3037-3059. doi:10.1002/ptr.8201 Meta-analysis / review
https://doi.org/10.1002/ptr.8201 - Block, K.I., Gyllenhaal, C. and Mead, M.N (2004) 'Safety and efficacy of herbal sedatives in cancer care', Integrative Cancer Therapies, 3(2), pp. 128-148. doi:10.1177/1534735404265003 Meta-analysis / review
https://doi.org/10.1177/1534735404265003
- Veldman, J., Bordewijk, E., Lloyd, A.R., Vlieger, A.M. and others (2023) 'Mechanistic Evidence of Andrographis paniculata, Pelargonium sidoides, Echinacea Species and a Combination of Hedera helix, Primula veris/elatior and Thymus vulgaris/zygis in the Treatment of Acute, Uncomplicated Respiratory Tract Infections: A Systematic Literature Review and Expert Interviews', Pharmaceuticals (Basel), 16(9), pp. 1206. doi:10.3390/ph16091206 Meta-analysis / review
https://doi.org/10.3390/ph16091206 - Baczek, K.B., Kosakowska, O., Przybyl, J.L., Pioro-Jabrucka, E. and others (2017) 'Phenolics in Primula veris L. and Primula elatior (L.) Hill Raw Materials', International Journal of Analytical Chemistry, 2017, pp. 2871579. doi:10.1155/2017/2871579 Preclinical
https://doi.org/10.1155/2017/2871579 - Prokofiev, A.B., Latypova, G.M., Bondarenko, T.A., Romanenko, E.B. and others (2023) 'Solid herbal extract of Primula veris L. improves morphofunctional condition of rats' myocardium in chronic alcohol intoxication', Journal of Traditional and Complementary Medicine, 13(3), pp. 306-314. doi:10.1016/j.jtcme.2023.02.006 Preclinical
https://doi.org/10.1016/j.jtcme.2023.02.006 - Tarapatskyy, M., Gumienna, A., Sowa, P., Kapusta, I. and Puchalski, C (2021) 'Bioactive Phenolic Compounds from Primula veris L.: Influence of the Extraction Conditions and Purification', Molecules, 26(4), pp. 997. doi:10.3390/molecules26040997 Preclinical
https://doi.org/10.3390/molecules26040997 - Trendafilova, A., Ivanova, V., Todorova, M., Aneva, I. and others (2025) 'Phytochemical Characterization and Anti-Biofilm Activity of Primula veris L. Roots', Molecules, 30(8), pp. 1702. doi:10.3390/molecules30081702 Preclinical
https://doi.org/10.3390/molecules30081702 - Colombo, P.S., Flamini, G., Rodondi, G., Giuliani, C. and others (2017) 'Phytochemistry of European Primula species', Phytochemistry, 143, pp. 132-144. doi:10.1016/j.phytochem.2017.07.005 Traditional / reference
https://doi.org/10.1016/j.phytochem.2017.07.005 - Latypova, G.M., Bondarenko, T.A., Katayev, V.A., Romanenko, E.B. and others (2019) 'Composition and cardioprotective effects of Primula veris L. solid herbal extract in experimental chronic heart failure', Phytomedicine, 54, pp. 17-26. doi:10.1016/j.phymed.2018.09.015 Preclinical
https://doi.org/10.1016/j.phymed.2018.09.015 - Brys, R. and Jacquemyn, H (2015) 'Disruption of the distylous syndrome in Primula veris', Annals of Botany, 115(1), pp. 27-39. doi:10.1093/aob/mcu211 Preclinical
https://doi.org/10.1093/aob/mcu211 - Muller, A., Ganzera, M. and Stuppner, H (2006) 'Analysis of phenolic glycosides and saponins in Primula elatior and Primula veris (primula root) by liquid chromatography, evaporative light scattering detection and mass spectrometry', Journal of Chromatography A, 1112(1-2), pp. 218-223. doi:10.1016/j.chroma.2005.10.067 Preclinical
https://doi.org/10.1016/j.chroma.2005.10.067 - Graikou, K., Damianakos, H., Ganos, C., Syklowska-Baranek, K. and others (2023) 'Comparative Phytochemical Analyses of Flowers from Primula veris subsp. veris Growing Wild and from Ex Situ Cultivation in Greece', Foods, 12(13), pp. 2623. doi:10.3390/foods12132623 Preclinical
https://doi.org/10.3390/foods12132623 - European Medicines Agency (2012) 'European Union herbal monograph on Primula veris L'. Traditional / reference
https://scholar.google.com/scholar?q=European%20Union%20herbal%20monograph%20on%20Primula%20veris%20L - Royal Botanic Gardens, Kew (n.d.). Available at: https://powo.science.kew.org Traditional / reference
https://powo.science.kew.org - Wicke, L (2007) 'Primula veris in the treatment of upper respiratory infections', pp. 109--116. Traditional / reference
https://scholar.google.com/scholar?q=Primula%20veris%20in%20the%20treatment%20of%20upper%20respiratory%20infections - Duke, J.A (2002) 'Handbook of Medicinal Herbs, Second Edition'. Traditional / reference
https://scholar.google.com/scholar?q=Handbook%20of%20Medicinal%20Herbs%2C%20Second%20Edition - Ghasemzadeh Rahbardar, M. and Hosseinzadeh, H (2024) 'Therapeutic potential of hypnotic herbal medicines: A comprehensive review', Phytotherapy Research, 38(6), pp. 3037-3059. doi:10.1002/ptr.8201 Meta-analysis / review
https://doi.org/10.1002/ptr.8201 - Block, K.I., Gyllenhaal, C. and Mead, M.N (2004) 'Safety and efficacy of herbal sedatives in cancer care', Integrative Cancer Therapies, 3(2), pp. 128-148. doi:10.1177/1534735404265003 Meta-analysis / review
https://doi.org/10.1177/1534735404265003
Generated automatically from the Omnia Sana plant database and its cited sources. For educational purposes only — not medical advice. Always consult a qualified practitioner before using medicinal plants.