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Blue Flax (Linum lewisii) is one of the most recognizable wildflowers in northern Utah, and a favorite here at Cache Valley Native Plants. Blue Flax features attractive and interesting, spirally arranged foliage and a profusion of blue suacer-shaped flowers. Although these blooms only last for one day, the plant will put on a show of flowers from late spring to mid summer. After it is done flowering, small, round seedheads will remain on the plant until the end of summer. Although Flax usually only lives a few years, it generously reseeds itself and will maintain a constant presence in the garden. Plant in garden beds and borders, cottage gardens, prairie and meadow plantings, rock gardens, or even xeric gardens. Blue Flax is extremely drought and cold hardy, and very easily to establish from seed. It is also somewhat tolerant or urban pollution and city sites. 

Blue Flax

$6.99Price
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  • Native to Cache County: Yes

    Irrigation Requirement: Low (1/2" every 10-14 days) or Very Low (Water to Establish)

    Mature Size: 2 - 3' tall and 10 - 12" wide

    Spacing: 18 - 24" apart 

    Bloom Colors: Blue/Purple

    Bloom Season: May - July

    Hardiness Zone: 3 - 9

    Light Requirement: Full Sun

    Deer Resistant: Yes

    Salt Tolerant: Unknown

    Soils: Prefers sand or loam soils, but will tolerate clay if well-drained and not overwatered. 

  • Plants in the Linum family are a host plant for 20 known species of native pollinators in Cache Valley and provides nectar to many pollinators throughout its bloom time. Linum Lewisii was a common wildflower found at the valley elevation and would be appropriate for restoration projects in addition to gardening. 

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