Yarrow vs Slender Wheatgrass - TreeTime.ca

Yarrow vs Slender Wheatgrass

Elymus trachycaulus

Achillea borealis (Previously Achillea millefolium)

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Slender Wheatgrass
Yarrow

Slender Wheatgrass is a native perennial bunchgrass common across North America. It establishes quickly, making it effective for site recovery.
It produces upright seed heads that provide seasonal interest and seed for wildlife, and favoured for browsing by elk and sheep. Its seeds are eaten by birds and small mammals, and it provides cover for wildlife.
Slender Wheatgrass is among the first native grasses used for reclamation in western Canada and the U.S. It does exceptionally well in saline soils.

Yarrow is a herbaceous, native wildflower that is found across Canada. It features large, flat clusters of tiny white flowers. The blooms attract a variety of pollinators, making it an ideal choice for pollinator gardens. While partial shade is tolerated, the best flowering occurs in full sun. Yarrow is resistant to deer and rabbits, making it both a beautiful and practical addition to your landscape.

The entire plant is edible, but leaves and flowers are most commonly consumed. They have a strong licorice scent and a mild sweet flavor that is similar to tarragon. Yarrow leaves can also be used as a natural insect repellent.

It is important to plant Yarrow in the right place, it can spread quickly via both rhizomes and self-seeding. Deadheading the spent flowers will extend the bloom season and can help limit self-seeding.

Slender Wheatgrass Quick Facts

Yarrow Quick Facts

Zone: 1b
Zone: 3a
Height: 0.8 m (2.5 ft)
Height: 0.3 m (1.0 ft)
Spread: 0.5 m (1.5 ft)
Spread: 0.9 m (3 ft)
Light: partial shade, full sun
Light: partial shade, full sun
Moisture: any
Moisture: dry, normal
Growth rate: fast
Growth rate: fast
Life span: short
Life span: short
Growth form: upright, clump-forming
Spreading: tillering - high, seeds - medium
Suckering: none


Toxicity: toxic to dogs, cats, and horses
Flowers: clusters of white flowers
Bloom time: late spring to early summer
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Native to: AB, BC, SK, MB, ON, QC, NS, NB, NL, YT, NT, NU, PE
Native to: AB, BC, SK, MB, ON, QC, NS, NB, NL, YT, NT, NU, PE
Other Names: slender wildrye, western wheatgrass
Other Names: common yarrow, devils nettle, milfoil, western yarrow, white yarrow