Diablo Ninebark vs Yarrow - TreeTime.ca

Diablo Ninebark vs Yarrow

Physocarpus opulifolius Diablo

Achillea borealis (Previously Achillea millefolium)

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(new stock expected: fall of 2026)

Diablo Ninebark
Yarrow

Diablo Ninebark is a small, low maintenance, multi-stemmed shrub, that is used to add texture or color to any yard. This plant grows dark purple leaves in the spring and grows slightly faster than Common Ninebark. It features flaky red to brown bark, clusters of white flowers, and long, maple-like leaves. Diablo Ninebark can make a dense and colorful hedge, or it can be an attractive ornamental by itself.

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.

Diablo Ninebark Quick Facts

Yarrow Quick Facts

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Zone: 3a
Zone: 3a
Height: 2.4 m (8 ft)
Height: 0.3 m (1.0 ft)
Spread: 1.8 m (6 ft)
Spread: 0.9 m (3 ft)
Moisture: dry, normal
Moisture: dry, normal
Light: partial shade, full sun
Light: partial shade, full sun
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no
Fall colour: yellow
Berries: red
Flowers: white
Flowers: clusters of white flowers
Bark: brown to red, exfoliating
Growth rate: fast
Growth rate: fast
Life span: short
Life span: short
Maintenance: medium
Suckering: low
Suckering: none




Toxicity: toxic to dogs, cats, and horses
Other Names: eastern ninebark, purple ninebark
Other Names: common yarrow, devils nettle, milfoil, western yarrow, white yarrow