Sisyrinchium idahoense
Sisyrinchium bellum, Sisyrinchium macounii, Sisyrinchium idahoense var. bellum , Idaho blue-eyed grass
Sisyrinchium Sisyrinchium
S. idahoense - S. idahoense is a clump-forming, semi-evergreen perennial with lance-shaped leaves, and stems bearing blue flowers with yellow throats in summer.
Sisyrinchium idahoense is: Semi evergreen
Clump-forming
Blue, Yellow in Summer
Green in All seasons
May be subject to a root rot.
Remove any discoloured foliage and faded flowers.
Division
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Sisyrinchium idahoense (Idaho blue-eyed grass) will reach a height of 0.5m and a spread of 0.5m after 2-5 years.
Architectural, Beds and borders, City, Gravel
Plant in poor to moderately fertile, well-drained, neutral to slightly alkaline soil in full sun. Dislikes winter wet. To ensure continued flowering, lift and divide every year or so.
Chalky, Loamy, Sandy
Well-drained
Alkaline, Neutral
Full Sun
South
Exposed, Sheltered
Tender in frost (H3), Hardy (H4)
We do not currently have companion plants added for this plant.
Sisyrinchium idahoense
Sisyrinchium bellum, Sisyrinchium macounii, Sisyrinchium idahoense var. bellum , Idaho blue-eyed grass
Sisyrinchium Sisyrinchium
S. idahoense - S. idahoense is a clump-forming, semi-evergreen perennial with lance-shaped leaves, and stems bearing blue flowers with yellow throats in summer.
Western United States
Semi evergreen
Clump-forming
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Blue, Yellow in Summer
Green in All seasons
May be subject to a root rot.
Remove any discoloured foliage and faded flowers.
Division
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Sisyrinchium idahoense (Idaho blue-eyed grass) will reach a height of 0.5m and a spread of 0.5m after 2-5 years.
Architectural, Beds and borders, City, Gravel
Plant in poor to moderately fertile, well-drained, neutral to slightly alkaline soil in full sun. Dislikes winter wet. To ensure continued flowering, lift and divide every year or so.
Chalky, Loamy, Sandy
Well-drained
Alkaline, Neutral
Full Sun
South
Exposed, Sheltered
Tender in frost (H3), Hardy (H4)
Zone 9, Zone 8, Zone 7
Sisyrinchium idahoense (Idaho blue-eyed grass)
common blossom thrips; cotton bud thrips; tomato thrips
Frankliniella schultzei
Insect
Absent
2
3
Polyphagous glasshouse pest; present in many countries; single finding in UK.
Our plants are under greater threat than ever before. There is increasing movement of plants and other material traded from an increasing variety of sources. This increases the chances of exotic pests arriving with imported goods and travellers, as well as by natural means. Shoot is working with Defra to help members to do their part in preventing the introduction and spread of invasive risks.
Traveling or importing plants? Please read "Don't risk it" advice here
Suspected outbreak? Click here for contact details to report to the relevant authority.
Date updated: 7th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/
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This plant likes... | Garden match | |
Soil types: | Chalky, Loamy, Sandy | Tell us... |
Soil drainage: | Well-drained | Tell us... |
Soil pH: | Alkaline, Neutral | Tell us... |
Light: | Full Sun | Tell us... |
Aspect: | South | Tell us... |
Exposure: | Exposed, Sheltered | Tell us... |
Hardiness: | Tender in frost (H3), Hardy (H4) | Tell us... |
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