Yarrow vs Yellow Mountain Avens - TreeTime.ca

Yarrow vs Yellow Mountain Avens

Dryas drummondii

Achillea borealis (Previously Achillea millefolium)

CUSTOM GROW

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Yellow Mountain Avens
Yarrow

Yellow Mountain Avens is a native perennial wildflower with bright yellow buttercup-like blooms. The nectar-rich flowers attract a variety of pollinators, including bees and butterflies. By thriving at higher elevations, it helps sustain pollinator populations and provides one of the earliest sources of nectar and pollen in alpine habitats. After the blooms fade, the plant produces silky seed heads that begin as upright, compact tufts and gradually expand into rounded, fluffy clusters, adding texture and interest to the landscape.

As a nitrogen-fixing plant, Yellow Mountain Avens enriches soil fertility and supports the growth of surrounding vegetation. It forms dense, spreading mats of evergreen foliage that act as a groundcover and help stabilize soil. Often among the first species to establish in disturbed alpine sites such as glacial outwash or landslides, it is well-suited for alpine revegetation, erosion control, naturalization, and ecological restoration projects in harsh, rocky environments.

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.

Yellow Mountain Avens Quick Facts

Yarrow Quick Facts

Zone: 1b
Zone: 3a
Height: 0.2 m (0.5 ft)
Height: 0.3 m (1.0 ft)
Spread: 0.3 m (1.0 ft)
Spread: 0.9 m (3 ft)
Light: full sun
Light: partial shade, full sun
Moisture: dry, normal
Moisture: dry, normal
Growth rate: medium
Growth rate: fast
Life span: short
Life span: short
Growth form: mat-forming, creeping
Spreading: stolons - medium, seeds - low
Suckering: none


Toxicity: toxic to dogs, cats, and horses
Foliage: evergreen, leathery
Flowers: yellow, buttercup-like, nodding
Flowers: clusters of white flowers
Bloom time: spring to summer
Bloom time: late spring to early summer
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Native to: AB, BC, SK, ON, QC, NB, NL, YT, NT
Native to: AB, BC, SK, MB, ON, QC, NS, NB, NL, YT, NT, NU, PE
Other Names: drummonds dryad, drummonds mountain avens, yellow dryad
Other Names: common yarrow, devils nettle, milfoil, western yarrow, white yarrow