Yarrow (Achillea): The 2024 Herb of the 12 months
Yarrow (Achillea millefolium ‘Pretty Belinda’) blooms inside the William T. Kemper Center for Residence Gardening. Image by Karen Fletcher/Missouri Botanical Yard.

Yarrow (Achillea spp.) has been named the 2024 Herb of the 12 months by the Worldwide Herb Affiliation.

In honor of the announcement, the St. Louis Herb Society is offering some notion on this flowering herb and its makes use of.

Defining an herb

Gardeners presently might take a look on the roughly 85 species of yarrow as vibrant, long-blooming additions to their flower gardens fairly than the basils and sages that come to ideas when anyone says “herb.”  

Broadly, professionals define herbs as “crops with a use.”  Additional narrowly, herbs shall be thought of having savory, medicinal, or aromatic features. By any of these requirements, yarrow qualifies as an herb.

What Is Yarrow?

The botanical title for Yarrow, Achillea, harks once more to Greek mythology. In Homer’s Iliad he describes the hero Achilles using yarrow to stop bleeding and heal the accidents of Trojan warriors.

Small clusters of white flowers bloom on green, hair, fern like foliage.
Achillea millifolium blooms at Shaw Nature Reserve. Image by Matilda Adams/Missouri Botanical Yard.

Launched into North America all through Colonial events, yarrow has been spherical prolonged adequate to be considered a naturalized native plant. Inside the wild, it grows alongside roadsides, climbing trails and on dry, sunny slopes.

Yarrow can go by a myriad of frequent names along with devil’s nettle, milfoil, canine daisy, soldier’s woundwort, old-man’s pepper and thousandleaf. 

Historic Makes use of for Yarrow

In fashion cultivars harking back to yellow ‘Coronation Gold,’ red-orange ‘Paprika’, and deep pink ‘Montrose Rose’ are prized for prolonged bloom time, yard shade, use in bouquets, and even in dried preparations. Nevertheless historically, the makes use of for native yarrow return 1000’s of years and provide rather more trigger why yarrow qualifies as a “useful” plant.  

Historic pages show an article describing yarrow as a useful "weed".
An online web page from Weeds Utilized in Medicine, printed in 1917 by the U.S. Division of Agriculture describes yarrow. Courtesy of the Peter H. Raven Library/Missouri Botanical Yard.
Historic pages show an article describing yarrow as a useful "weed".
An online web page from Weeds Utilized in Medicine, printed in 1917 by the U.S. Division of Agriculture current an illustration of yarrow. Courtesy of the Peter H. Raven Library/Missouri Botanical Yard.

Most well-known as a therapy for wounds, with crushed leaves performing to every stop bleeding and as an antiseptic, yarrow may be touted as a tonic, stimulant, and tea that may ship assist from fevers, colds, and to dispel melancholy.  

Inside the Middle Ages, sooner than the utilization of hops in beer, yarrow was an obligatory ingredient in making gruit, a bunch of herbs utilized in brewing to style beer.

It moreover has been employed as a dye for wool and, relying upon the reply, will finish in yellow to inexperienced materials.  

Rising Yarrow For the time being 

As well-known on the Missouri Botanical Yard’s Plant Finder website, yarrow grows most interesting in lean, dry to medium, well-drained sandy loam in full photo voltaic.

Crops will tolerate scorching, humid summers and drought. As well as they may tolerate poor soil as long as drainage is good. Yarrow can are prone to flop if grown in moist rich soils.  

A patch of golden yarrow blooms.
Yarrow (Achillea ‘Coronation Gold’). Image by Tom Incrocci/Missouri Botanical Yard.

Counting on the cultivar, yarrow can differ in high from 1-3 toes and have an growth varied from 1- 2 toes. With a bloom time from June by the use of September, deadheading and lowering crops once more after flowering can encourage additional blooms and maintain yarrow neater in look. 

Some species can unfold aggressively by way of rhizomes and self-seeding and should naturalize into substantial colonies if not checked. Residence gardeners should evaluation cultivars if this may become a problem.  

The St. Louis Herb Society Annual Sale

As Herb of the 12 months, Achillea millifolium is doubtless one of many native and pollinator crops that may be on sale on the St. Louis Herb Society annual herb sale.

Yearly the St. Louis Herb Society invites hosts its annual sale on the Missouri Botanical Yard, offering over 1000’s of crops and over 100 varieties of herbs to take dwelling.


Written by the St. Louis Herb Society

Jessika Eidson | Public Information Officer

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