Bunchberry vs Blue Flax - TreeTime.ca

Bunchberry vs Blue Flax

Cornus canadensis

Linum lewisii

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Bunchberry
Blue Flax

The Bunchberry, or Quatre-Temps as it is commonly known in Quebec, is an excellent ornamental plant to have in your garden. With star-shaped white flowers in spring and clusters of bright red berries in the fall, this is one of the most refined and hardy groundcovers available. The foliage has ornamental value, with leaves going from a deep green in the spring and summer to a beautiful brick-red in the fall.

Bunchberry is a spreading evergreen perennial with a ground-hugging habit of growth. This plant is not well suited for urban areas close to streetsides, as it is quite intolerant to pollution. It is Canada’s national flower.

According to a poll done by the Master Gardeners of Ontario, it is one of the most recognizable Canadian flowers.

Its flowers grow with elastic petals and "fire" its pollen with the force of 2000-3000 times the force of gravity.

Blue Flax is a native perennial wildflower known for its blue to violet flowers. Each flower lasts just a single day, but new blooms appear continuously, providing weeks of colour. This extended flowering period provides a reliable display from late spring into summer and attracts a variety of pollinators.

They can self-seed readily, so removing spent blooms helps manage their spread. Birds feed on the seeds, and when cooked, they are edible and are described as having a mild, nutty flavour. The plant grows in loose clumps with slender stems and fine foliage. Young plants are leafy, but as they mature, most leaves are shed.

Blue Flax grows well in a wide range of soils, including poor or sandy conditions, and is drought-tolerant once established. The deep root system helps to stabilize soil and prevent erosion. They are well-suited for pollinator gardens, restoration, naturalization, and xeriscaping projects.

As a perennial, it dies back to the crown each winter, it will regrow from the base in the spring. Avoid disturbing the crown during late winter to ensure healthy growth the following season.

Bunchberry Quick Facts

Blue Flax Quick Facts

Zone: 1b
Zone: 3a
Height: 0.2 m (0.6 ft)
Height: 0.6 m (2.0 ft)
Spread: 0.6 m (2.0 ft)
Spread: 0.3 m (1.0 ft)
Light: any
Light: partial shade, full sun
Moisture: normal, wet
Moisture: dry, normal
Growth rate: fast
Growth rate: fast
Life span: short
Life span: short
Growth form: upright, rounded, clump-forming
Spreading: seeds - high
Suckering: medium
Maintenance: medium


Toxicity: toxic to some animals, raw seed toxic
Fall colour: brick red
Flowers: white
Flowers: pale to deep blue-violet
Bloom time: late spring to mid summer
Berries: small, red
Flavor: sweet
Harvest: August/September
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Other Names: lewis flax, lewis wild blue flax, prairie flax, wild blue flax