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Alpine RockeryGrass Like

Sisyrinchium idahoense var. bellum 'Rocky Point'

A dwarf evergreen perennial to 15cm tall, forming a clump of grass-like leaves. In early summer it produces a profusion of small, violet-blue flowers with a yellow eye. Suitable for a rock garden or alpine trough

Synonyms
Sisyrinchium bellum 'Rocky Point'
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Blue Purple Green
Autumn Green
Winter Green
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H4
Botanical details
Family
Iridaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Tufted
Genus

Sisyrinchium can be annuals or rhizomatous perennials forming a clump of narrowly sword-shaped leaves with erect stems carrying solitary or clustered, star-shaped or bell-shaped flowers in spring or summer

Name status

Accepted

How to grow

Cultivation

Grow in any moderately fertile, moist but well-drained soil in full sun or partial shade. May have the potential to become a nuisance as seeds prolifically

Propagation

Propagate by seed or division in spring

Suggested planting locations and garden types
  • Patio and container plants
  • Rock garden
  • Flower borders and beds
Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.