Feverfew (Tanacetum parthenium)

Feverfew (Tanacetum parthenium) is a charming perennial herb, cherished for its daisy-like white flowers with yellow centers and its rich history in traditional medicine. Native to the Balkan Peninsula, it has naturalized across Ireland, often found in gardens, along hedgerows, and in disturbed soils.
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Growing to a height of 40–70 cm, Feverfew thrives in full sun and well-drained soils, making it an excellent addition to cottage gardens, herb beds, and pollinator-friendly landscapes. Its aromatic foliage not only adds a pleasant scent but also helps repel pests like aphids and whiteflies, making it a beneficial companion plant near roses and vegetables.
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Historically referred to as “medieval aspirin,” Feverfew has been used since ancient times to alleviate fevers, migraines, and various inflammatory conditions. The plant contains parthenolide, a compound studied for its anti-inflammatory properties.
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Key Features:

Height: 40–70 cm

Flowering Period: June to October

Flower Description: White petals with yellow centers

Soil Preference: Well-drained, loamy or sandy soils

Sunlight: Full sun

Uses: Ornamental, medicinal, companion planting

Attracts: Bees and beneficial insects

Repels: Aphids, whiteflies, and other pests
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Cultivation Tips:

Sow seeds indoors from February to April or direct sow after the last frost.

Barely cover seeds with soil; germination can take up to four weeks.

Space plants 30 cm apart to allow for bushy growth.

Deadhead spent flowers to encourage continuous blooming and prevent excessive self-seeding.