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American Blue-eyed Grass in the GardenTags plant encyclopedia

Sisyrinchium montanum

 

American Blue-eyed Grass

Sisyrinchium is an evergreen, clump-forming plant, with iris-like foliage. The starry flowers appear along the upright stems that form spikes in Summer. American blue-eyed-grass sports pretty star shaped blue flowers which only last a day, but new buds open every day and it has a long blooming period through early to mid-summer. New:

 
plant Features
  • American Blue-eyed Grass likes full sun

    Full sun

  • American Blue-eyed Grass likes occasional watering

    Occasional watering

  • American Blue-eyed Grass is full frost hardy: 5f (-15°c)

    Full Frost Hardy: 5F (-15°C)

  • American Blue-eyed Grass likes free draining

    Free draining

 
plant information

Common name

American Blue-eyed Grass

Latin name

Sisyrinchium montanum

type

Herbaceous Perennials

family

Iridaceae

ph

6.6 - 7.8 Acid - Neutral

  • Light

    American Blue-eyed Grass likes full sun

    Full sun

  • Frost

    American Blue-eyed Grass is full frost hardy: 5f (-15°c)

    Full Frost Hardy: 5F (-15°C)

  • Soil

    American Blue-eyed Grass likes free draining

    Free draining

  • Water

    American Blue-eyed Grass likes occasional watering

    Occasional watering

Plant & bloom calendar

  •  
    Best time to plant
  •  
    When the plant will bloom

full grown dimensions

The size of a fully grown American Blue-eyed Grass is 0.30meters x 0.30meters 0.30 M 0.30 M

Sisyrinchium montanum

Sisyrinchium is an evergreen, clump-forming plant, with iris-like foliage. The starry flowers appear along the upright stems that form spikes in Summer. American blue-eyed-grass sports pretty star shaped blue flowers which only last a day, but new buds open every day and it has a long blooming period through early to mid-summer. New:


Planting

From Early Spring TO Mid Spring

Plant in well-draining, neutral to slightly alkaline Ph soil, in a sunny position in Spring. Light shade will be tolerated, but full sun is preferred

 

Flowering

From Late Spring TO Early Summer

Flower spikes appear in late Spring to early Summer

 

Propagate by division

From Early Spring TO Late Spring

Divide and replant every 3 or 4 years if required, Using a fork dig up plant, trying to keep the root ball as complete as possible. Split the root ball at the centre with a sharp knife or a spade, or by placing two garden forks back-to-back into the middle of the root ball, and pushing the fork handles apart.to lever the root ball apart. Replant the new clumps to the same depth as the original, and water well. Keep well watered until established.

 
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