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Feverfew

Tanacetum parthenium · Asteraceae

The gardener's calendar

The right move for September

Ideal time to plant feverfew: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.

JFMAMJJASOND Planting

ID card

Common name
Feverfew, Large chamomile
Family
Asteraceae
Form
Perennial herbaceous plant
Adult size
16 to 24 inches tall
Flowering
June to September, cream-white flowers in umbels
Foliage
Deciduous, light green, finely divided and aromatic
Hardiness
Very hardy, down to 5 °F
Origin
Caucasus regions and Asia Minor
Growth
Rapid
Soil type
Well-drained, tolerates limestone, undemanding

Care

Sunlight

Feverfew prefers a sunny or partially shaded position. It tolerates partial shade but flowers more abundantly in full light. Avoid areas that are too hot and dry in Mediterranean climates.

Watering

Water regularly after planting to encourage establishment. Once established, the plant is very tolerant of drought. During prolonged dry periods, moderate weekly watering is sufficient. Avoid excess moisture which promotes rot.

Soil and planting

Feverfew accepts almost any soil as long as it is well-drained. It thrives even in poor or chalky soils. No organic matter amendment is really necessary. Plant in spring or fall at 16-20 inches apart.

Fertilizer

Undemanding, feverfew requires virtually no fertilization. A very modest application of balanced fertilizer in spring can support flowering if the soil is very depleted. Avoid excess nitrogen which stimulates foliage at the expense of flowers.

Pruning and maintenance

Pinch out young plants in spring to encourage branching. After flowering, cut back the plant to 4-6 inches to stimulate a second flush of blooms and prevent excessive self-seeding. In late winter, remove dead stems before new growth appears.

Pests and diseases

Very hardy and rarely affected by pests. Excess moisture can promote powdery mildew or root rot. Ensure good drainage and adequate air circulation. In case of occasional attacks, natural interventions are generally sufficient.

Did you know?

Feverfew has been traditionally used since antiquity, particularly in the Caucasus region, for various folk remedies. It bears the name 'parthenium' from the Greek 'parthenos' (virgin), as it was once dedicated to specific virtues in ancient medicine. It's a valuable garden companion: it self-seeds easily and attracts pollinators while repelling certain pests through its aromatic scent.

Where to buy it

Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.

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Tips generated and checked by Viridia — adapt them to your local climate.