WSU Clark County Extension
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Feverfew

Scientific name: Tanacetum parthenium 'Milken Double White'
Taxonomy
Family:Asteraceae
Type:Herbaceous perennials
Native:NO
Plant Requirements
Zone:5 to 9
Sun:Full sun
Moisture:Dry
Plant Characteristics
Height:2 ft
Width:2 ft
Bloom:Showy flowers
Bloom Time:June to September
Bloom Color:White
Additional Characteristics
Trees


Fruit

Leaves


Bark
Wildlife value

Poisonous
Description Best known in the herbal trade as a headache reliever, Feverfew is also used as a garden ornamental.

  Morphology:
This herbaceous perennial grows to height of 24” and 18” wide. Foliage has a feathery, fern-like appearance and has a pungently citrus scent fragrance when bruised or crushed.

Composite flowers with white petals and button-like yellow center disks appear in dense corymbs and are held erect all summer long.

  Adaptation:
They have average water needs and does best in full sun. Shear off spent flowers immediately after bloom in order to control any unwanted self-seeding.

  Pests:
This plant is susceptible to mildew in the shade. Otherwise no serious insect or disease problems are reported.
For assistance, contact Dr. Charles Brun (brunc@wsu.edu), (360) 397-6060 5701
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