Rosy Lights Rhododendron (Azalea) vs Blue Flax - TreeTime.ca

Rosy Lights Rhododendron (Azalea) vs Blue Flax

Linum lewisii

Rhododendron x Rosy Lights

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Blue Flax
Rosy Lights Rhododendron (Azalea)

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.

Rosy Lights Rhododendron is the next flowering, deciduous shrub you need in your garden. It is incredibly cold hardy and produces fragrant, bright pink blooms in late spring. Pruning is recommended after the flowers are finished to control the size and shape of this shrub.

Try Rosy Lights Rhododendron when planning your next hedge/screen, or plant it on its own as a striking accent plant. Part of the Northern Lights Series.

Blue Flax Quick Facts

Rosy Lights Rhododendron (Azalea) Quick Facts

Zone: 3a
Zone: 4a
Height: 0.6 m (2.0 ft)
Height: 1.5 m (5 ft)
Spread: 0.3 m (1.0 ft)
Spread: 1.2 m (4 ft)
Light: partial shade, full sun
Light: partial shade, full sun
Moisture: dry, normal
Moisture: normal, wet
Growth rate: fast
Growth rate: medium
Life span: short
Life span: medium
Growth form: upright, rounded, clump-forming
Spreading: seeds - high
Suckering: low
Maintenance: medium
Maintenance: medium

Toxicity: toxic to some animals, raw seed toxic

Toxicity: All parts of a rhododendron bush, including the leaves, stems and blooms, are toxic to cats, dogs, and horses.
Fall colour: Maroon
Flowers: pale to deep blue-violet
Flowers: large, pink
Bloom time: late spring to mid summer
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


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