Fever Few

Herbaceous

Fever Few

Tanacetum parthenium

Also known as: Bachelor's buttons (confusing common name), Midsummer daisy

Herbaceous Asteraceae MedicinalPollinatorPest ManagementOrnamental
Hardiness Zone
5-9
Ideal Temp
45–80°F
Survives Down To
-20°F
Life Cycle
Perennial

Feverfew is the bitter daisy your herbalist cousin mentions when migraines show up. Science on parthenolide is messy; tradition is loud. It self-sows like it pays rent in seeds — deadhead if you dislike chaos. In subtropical and tropical Americas it grows as a short-lived perennial or enthusiastic biennial depending on summer cruelty; afternoon shade reduces melt. ☀️💧 Sun and Water Requirements: - Full sun to light afternoon shade in hot humid summers. - Average, well-drained garden soil; tolerates lean conditions once established. - Moderate water; soggy winter crowns rot quietly. ✂️ Methods to Propagate: - Seeds: sow on surface; light for germination. - Division: split crowns in spring or fall for clones with known chemistry (still variable).

Good Neighbors
  • Yarrow
  • Lavender
  • Rosemary
Cautions
  • Pregnancy — plant contains compounds you should not "wellness" your way through
  • Wet clay in humid winter
Known Threats — Organic Solutions Only
Aphids
Aphidoidea
Banded Winged Whitefly
Trialeurodes abutiloneus
Greenhouse Whitefly
Trialeurodes vaporariorum
Lettuce Aphid
Nasonovia ribisnigri
Lubber Grasshopper
Romalea microptera
Powdery Mildew
Erysiphales
Root Aphid
Pemphigus spp.
Spider Mites
Tetranychidae