General Plant Information (Edit)
Plant Habit: Grass/Grass-like
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 5b -26.1 °C (-15 °F) to -23.3 °C (-10 °F)
Plant Height: 2 - 3 feet
Plant Spread: 12 - 15 inches
Leaves: Good fall color
Deciduous
Flowers: Inconspicuous
Flower Color: Purple
Bloom Size: Under 1"
Flower Time: Summer
Foliage Mound Height: 12 - 18 inches
Underground structures: Rhizome
Uses: Provides winter interest
Propagation: Other methods: Division
Awards and Recognitions: RHS AGM

Image
Common names
  • Purple Moor Grass
Botanical names
  • Accepted: Molinia caerulea
  • Synonym: Molinia caerulea subsp. arundinacea

Photo Gallery

Date: 2016-11-01
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2021-08-14
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2020-11-21
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2018-07-15
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2018-08-25
Location: At a nursery, Belgium
Date: 2015-08-18
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2017-08-19
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2018-11-10
Location: At a nursery, Belgium
Date: 2015-08-18
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2021-08-14
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2018-10-07
Comments:
  • Posted by kniphofia (Northumberland, UK) on Nov 29, 2020 11:06 PM concerning plant:
    This is a lovely tussock forming grass with a mound of blade like leaves around 15 - 18 inches high. In summer it bears long stems in a fan shape topped with dark purple flowers. It is suitable for any well drained soil in sun or partial shade but prefers an acid to neutral situation. It is a wonderful companion for other perennials and has superb autumn colour. It can be tidied up in early spring before the new leaves start to grow.

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