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Dianella caerulea 'Cassa Blue' (Blue flax lily 'Cassa Blue')
1 hour care
per year
per year
0.45m
Max height
Max height
0.45m
Max spread
Max spread
2-5 years
To maturity
To maturity
Plant details
Botanical name
Dianella caerulea 'Cassa Blue'
Other names
Blue flax lily 'Cassa Blue', Dianella caerulea 'Dbb03', Dianella 'Cassa Blue'
Genus
Dianella Dianella
Variety or Cultivar
'Cassa Blue' _ 'Cassa Blue' is a tender, tufted, rhizomatous, evergreen perennial with stiff, upright, keeled, broadly lance-shaped, blue-green leaves and, in summer, panicles of pendent, star-shaped, blue flowers followed by spherical, glossy, purple fruit.
Dianella caerulea 'Cassa Blue' is: Evergreen
Habit
Clump-forming, Upright
Flower
Blue in Summer
Foliage
Blue-green in All seasons
How to care
Watch out for
Pests
Generally pest free.
Diseases
Generally disease free.
General care
Pruning
If desired, remove fruit in spring.
Propagation methods
Division, Seed
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Where to grow
Dianella caerulea 'Cassa Blue' (Blue flax lily 'Cassa Blue') will reach a height of 0.45m and a spread of 0.45m after 2-5 years.
Suggested uses
Architectural, Beds and borders
Cultivation
Under glass, grow in loam-based compost in full light with shade from hot sun. In growth, water freely & feed weekly. Outdoors in frost-free areas, grow in moderately fertile, humus-rich, well-drained, neutral to acid soil in sun or part shade.
Soil type
Loamy, Sandy
Soil drainage
Well-drained
Soil pH
Acid, Neutral
Light
Partial Shade, Full Sun
Aspect
South, East, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Tender in frost (H3)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Dianella caerulea 'Cassa Blue'
Other names
Blue flax lily 'Cassa Blue', Dianella caerulea 'Dbb03', Dianella 'Cassa Blue'
Genus
Dianella Dianella
Variety or Cultivar
'Cassa Blue' _ 'Cassa Blue' is a tender, tufted, rhizomatous, evergreen perennial with stiff, upright, keeled, broadly lance-shaped, blue-green leaves and, in summer, panicles of pendent, star-shaped, blue flowers followed by spherical, glossy, purple fruit.
Foliage
Evergreen
Habit
Clump-forming, Upright
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Colour
Flower
Blue in Summer
Foliage
Blue-green in All seasons
How to care
Watch out for
Pests
Generally pest free.
Diseases
Generally disease free.
General care
Pruning
If desired, remove fruit in spring.
Propagation methods
Division, Seed
Monthly care advice
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Where to grow
Dianella caerulea 'Cassa Blue' (Blue flax lily 'Cassa Blue') will reach a height of 0.45m and a spread of 0.45m after 2-5 years.
Suggested uses
Architectural, Beds and borders
Cultivation
Under glass, grow in loam-based compost in full light with shade from hot sun. In growth, water freely & feed weekly. Outdoors in frost-free areas, grow in moderately fertile, humus-rich, well-drained, neutral to acid soil in sun or part shade.
Soil type
Loamy, Sandy
Soil drainage
Well-drained
Soil pH
Acid, Neutral
Light
Partial Shade, Full Sun
Aspect
South, East, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Tender in frost (H3)
USDA zones
Zone 11, Zone 10, Zone 9, Zone 8
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Loamy, Sandy | Tell us... |
| Soil drainage: | Well-drained | Tell us... |
| Soil pH: | Acid, Neutral | Tell us... |
| Light: | Partial Shade, Full Sun | Tell us... |
| Aspect: | South, East, West | Tell us... |
| Exposure: | Sheltered | Tell us... |
| Hardiness: | Tender in frost (H3) | Tell us... |
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