Here's what stands out: multiple clinical trials support faster wound healing — for burns, episiotomy (a small cut made during childbirth to help the baby be born), and radiation dermatitis (skin irritation caused by radiation therapy).
Triterpenoids (a type of plant compound with anti-inflammatory effects) reduce skin redness and swelling.
Lymphagogue (something that traditionally helps move fluid through the lymph system, part of the body's immune system) — supports lymphatic drainage.
What Else to Know
Mild antimicrobial (slows the growth of germs) activity against common skin pathogens.
The Persian name hamisheh-bahar means 'always spring.' Calendula keeps blooming from early spring until the first autumn frost. For over a thousand years, people across Persia, the Mediterranean, and Europe have used its orange petals to help skin heal. Modern wound-care research supports its role in faster tissue repair and calming inflammation.
Chapter 2 of 14
The Essentials: A Few Last Essentials
Known to botanists as Calendula officinalis.
Cheerful annual 30–60 cm tall with oblong, slightly sticky leaves and brilliant orange or golden-yellow daisy-like flowers blooming continuously from spring through frost. The whole flower head (dried) is the part used.
Family: Asteraceae (daisy family).
Chapter 3 of 14
What Is In It
Antioxidants: Carotenoids (plant pigments like the ones that color carrots and tomatoes, including lutein and beta-carotene), Flavonoids (plant compounds with antioxidant properties, including quercetin and isorhamnetin), Triterpenoid saponins (soap-like plant compounds)
Calendula ointment reduced radiation dermatitis in breast cancer patients compared with standard care in a randomised trial.Moderate evidence
Calendula preparations improved healing of venous leg ulcers (open sores on the leg caused by poor vein circulation) in a controlled study.Moderate evidence
Chapter 5 of 14
How It Is Prepared
Damkardeh (a Persian steeped herbal infusion): 1 tsp dried petals per cup, 10 min, 1–2 cups daily.
Salve: apply to clean cuts, scrapes, dry skin patches 2–3× daily · Compress: soak a cloth in cooled strong tea, apply 10–15 min.
Sitz bath (a shallow bath that covers just the hips and buttocks): a handful in warm bathwater for episiotomy and hemorrhoids.
Other Ways to Use It
Tincture (a liquid extract made with alcohol): 2–4 mL of a 1:5 dried herb tincture, 3× daily (practitioner guidance).
Calendula salve (petals infused in olive oil, then beeswax) for cuts, burns, diaper rash.
Compress: strong cooled infusion (a drink made by steeping the plant in hot water) on a cotton cloth for wounds, sprains, swollen lymph.
Chapter 6 of 14
Medicines and Interactions
Medication interaction:
Sedatives (medicines that make you sleepy) — Calendula taken internally has a mild sedative effect in animal work and may add to sleeping tablets or anxiety medicine. (low concern)
Medication interaction:
Blood pressure medicine — Internal use may lower blood pressure slightly, which can add to treatment. (low concern)
Pregnancy — internal medicinal use (topical use is generally considered safe).
Allergy:
Known Asteraceae-family allergy.
Chapter 8 of 14
Pregnancy, Children and Older Adults
Pregnancy and breastfeeding
Pregnancy and breastfeeding:
Cream and infused oil on the skin are widely used and considered fine. Drinking calendula tea in pregnancy has not been studied and is traditionally avoided.
Children
Children:
Calendula cream is one of the standard remedies for diaper rash and cracked skin, and is used from infancy. Keep the tea for older children.
Older adults
Older adults:
Useful for thin, easily torn skin and for slow-healing scrapes. It doesn't replace proper wound care for anything deep or infected.
Chapter 9 of 14
What Persian Medicine Says
Persian temperament: Warm & Dry (1st degree). Read as gently warming and drying, which is why it was put on damp, slow-healing skin rather than on burns.
Persian medicine sees calendula as warm and dry. It was used to gently warm the body, dry damp tissue, and ease swollen lymphatic glands. Its orange colour was traditionally linked with liver and bile function. Small internal doses were also used for sluggish digestion and as a mild emmenagogue (something traditionally used to bring on a menstrual period).
In the Household
It was used: topical (put on the skin) wound-healing salve for cuts, burns, and slow-healing skin. Compress for inflamed or congested lymph nodes.
Mild internal infusion (a drink made by steeping the plant in hot water) for sluggish digestion and delayed cycles.
It was used: gargle for sore throat and mouth ulcers. Eye compress for tired or inflamed eyes (with sterile preparation).
Chapter 10 of 14
Traditional Formulas
Hamisheh-bahar Salve: dried petals infused in warm olive oil 2 weeks, strained, blended with beeswax (1 part wax to 4 parts oil) into a daily skin balm.
Calendula–Chamomile Wash — Equal parts calendula and chamomile steeped in just-boiled water 15 min, cooled, used as a healing wash for irritated skin.
Chapter 11 of 14
What It Goes With
§ More Pairings
Herb:
Chamomile
Chamomile calms, calendula heals. The two together make the standard skin-and-gut tea of European herbalism.
Rose:
Rose
Rose softens calendula's slightly bitter edge in a tea. And both are used on irritated skin.
Pairing:
Olive Oil
Petals steeped in warm olive oil for two weeks give the classic yellow skin oil. Nothing else is needed.
Honey:
Honey
A spoon of honey in calendula tea makes it drinkable, and honey has its own record on wounds.
Chapter 12 of 14
Through the Year
Spring:
Spring
The first flowers open. Pick them at midday when the heads are dry and lay them out in shade.
Summer:
Summer
Peak flowering. Keep picking. The plant makes more heads the more you take.
Autumn:
Autumn
Late blooms are smaller but still resinous. Good for infusing oil.
Winter:
Winter
Dried petals and last summer's infused oil. The oil is better than the tea in cold months.
Chapter 13 of 14
Sources
Calendula officinalis in wound healing: systematic review — Journal of Wound Care (PubMed). https://pubmed.ncbi.nlm.nih.gov/.
Calendula: eMA HMPC Monograph — European Medicines Agency, Committee on Herbal Medicinal Products. https://www.ema.europa.eu/en/medicines/herbal.
Calendula: nIH NCCIH Health Information — US NIH NCCIH. https://www.nccih.nih.gov/health.
Sad Giah Hezar Darman (صد گیاه و هزار درمان) — One Hundred Plants and One Thousand Remedies — Dr. Hossein Erfani, 4th edition (1375 / 1996–1997). Primary traditional Persian herbal reference cited throughout this platform. Presented as traditional knowledge, not as modern medical proof.
Office of Dietary Supplements: fact Sheets — US National Institutes of Health (NIH). https://ods.od.nih.gov/factsheets/list-all/.
Chapter 14 of 14
Sources (continued)
Herbal Database: memorial Sloan Kettering Cancer Center. https://www.mskcc.org/cancer-care/diagnosis-treatment/symptom-management/integrative-medicine/herbs.
Herbs at a Glance: uS NIH National Center for Complementary and Integrative Health (NCCIH). https://www.nccih.nih.gov/health/herbsataglance.
FoodData Central: searchable nutrient database — US Department of Agriculture (USDA). https://fdc.nal.usda.gov/.
The Nutrition Source: harvard T.H. Chan School of Public Health. https://www.hsph.harvard.edu/nutritionsource/.
PubMed — peer-reviewed biomedical literature — US National Library of Medicine. https://pubmed.ncbi.nlm.nih.gov/