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Asteraceae HERB OUTDOOR Placement Primary: Medicinal Ornamental Companion

Feverfew

Tanacetum parthenium

Identified By Marcs

Feverfew is a traditional medicinal herb belonging to the daisy family, Asteraceae. Characterized by its deeply lobed, aromatic yellowish-green leaves and small, daisy-like white flowers with yellow centers, it has been utilized for centuries in European herbal medicine. Historically recognized for its efficacy in reducing fevers and treating headaches, modern herbalism predominantly values feverfew for its potential to prevent and mitigate migraine attacks. The plant is relatively hardy, highly adaptable, and often cultivated in gardens both for its ornamental daisy-like appearance and its beneficial pest-repellent properties, making it a wonderful addition to companion planting schemes.

Also known as: Altamisa Bachelor's Buttons Featherfew Wild Quinine

Toxicity & Safety

Is Feverfew toxic to pets?

Yes, toxic to pets.

Feverfew is considered toxic to domestic pets such as cats, dogs, and horses if ingested in large quantities. The plant contains active compounds like parthenolide, which can cause irritation of the mucous membranes in the mouth, excessive drooling, vomiting, diarrhea, and general gastrointestinal distress. Additionally, contact with the fresh plant foliage can sometimes lead to contact dermatitis in sensitive animals. Pet owners should ensure that curious animals are restricted from grazing on feverfew plants in the garden.

Is Feverfew toxic to humans?

No, Feverfew is generally safe for humans.

Is Feverfew safe during pregnancy?

Caution advised during pregnancy.

Feverfew is strongly contraindicated during pregnancy and breastfeeding. The plant possesses uterine-stimulating properties that can potentially induce contractions, increasing the risk of miscarriage or premature labor. Furthermore, clinical data regarding the safety of consuming feverfew extracts during lactation is insufficient, meaning it could potentially pass through breast milk and cause adverse effects in nursing infants. Pregnant or nursing individuals should strictly avoid consuming any form of feverfew supplement or herbal tea.

Growth & Dimensions

Height 30 - 60 cm
Width 30 - 50 cm
Growth Rate Moderate
Care Level Easy
Lifespan Perennial

Ideal Environment

Temperature -15°C - 30°C
Sunlight Hours 6 - 10 hrs/day
Sun Exposure Full sun
Soil pH 6 - 7.5
Watering Interval 5 - 10 days
Humidity 30.00% - 70.00%
USDA Zone 4 - 9

Temperate Climates

Climate: Thrives in temperate regions with moderate rainfall, warm summers, and cold winters where the soil drains exceptionally well.

Soils: Loam Sandy Loam Chalk
Annual Rainfall: 500 - 1200 mm

Native Regions

Balkans
Caucasus
Anatolia

How to Care for Feverfew

How should I handle watering requirements?

Water your feverfew plants regularly during prolonged dry spells to keep the soil consistently moist but never waterlogged. Once established, the plant exhibits good drought tolerance, but adequate moisture ensures lush foliage and abundant blooms throughout the growing season.

How should I handle sunlight and location?

Plant feverfew in a location that receives full sun to partial shade for optimal growth and flowering. While it can tolerate partial shade, too little light will result in leggy stems and a significantly reduced number of daisy-like flower heads.

How to Propagate Feverfew

How to propagate Feverfew by seed?

To propagate feverfew from seeds, surface-sow the tiny seeds onto a well-draining seed-starting mix in early spring. Do not cover the seeds deeply, as they require light to germinate successfully. Maintain a consistent moisture level by using a misting spray bottle and keep the temperature around 20°C. Germination typically occurs within 10 to 14 days. Once the seedlings develop several sets of true leaves and are large enough to handle safely, harden them off gradually and transplant them directly into the garden bed, spacing them roughly 30 cm apart to allow for mature spread.

Common Diseases & Pests of Feverfew

What is Powdery Mildew and how is it treated?

Fungal
Symptoms:

Powdery mildew appears as white or gray powdery spots on the leaves and stems of the feverfew plant. As the infection progresses, affected leaves may curl, turn yellow, and drop prematurely, weakening the overall plant vigor.

Treatment:

Treat powdery mildew by removing heavily infected leaves and applying a certified organic fungicide, such as neem oil or potassium bicarbonate, according to the manufacturer instructions. Ensure proper plant spacing to improve air circulation.

Prevention:

Prevent powdery mildew by planting feverfew in full sun, avoiding overhead watering which leaves moisture on the foliage, and ensuring adequate spacing between individual plants to promote good air movement through the canopy.

Properties & Benefits of Feverfew

Used for Tea/Tisane Aromatic Plant

Uses & Health Benefits

What are the benefits of migraine headache prevention in Feverfew?

Feverfew is most widely celebrated for its potential to prevent and reduce the frequency and severity of migraine headaches. The active compound parthenolide helps inhibit the release of serotonin and prostaglandins, which are known to play a role in blood vessel constriction and inflammation in the brain. Regular consumption of feverfew leaf extracts or teas has been utilized historically as a natural prophylactic treatment for chronic sufferers, helping to mitigate throbbing pain, nausea, and sensitivity to light associated with debilitating migraines.

Precautions: May cause mouth ulcers or digestive upset in some individuals. Do not stop abruptly if taking long-term.

Key Nutrients / Compounds

Parthenolide rich in Variable active sesquiterpene lactone

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