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Saxifraga 'Theoden' (oppositifolia) (7) AGM

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Characteristics

Plant type

Alpine/Rockery

Habit

Mat forming

Resilience

Hardiness

H5 (hardy - cold winter)

Colour

Flower

Purple in Summer

Foliage

Dark Green in Autumn, Spring, Summer and Winter

Size

Ultimate height

Up to 10 cm

Ultimate spread

0.1-0.5 metres

Time to ultimate height

2-5 years


Preferred common name

purple mountain saxifrage 'Theoden'

Family

Saxifragaceae


Saxifraga can be annuals, biennials, evergreen or herbaceous perennials, mostly mat-forming in habit, with simple or palmately lobed leaves and starry or rounded flowers which may be solitary of in panicles or cymes

Porphyrion section saxifrages are compact, cushion or mat-forming evergreen perennials with small, usually lime-encrusted leaves, and 5-petalled white, yellow or pink flowers in early summer

'Theoden' is a mat-forming evergreen perennial to 2cm in height, with oblong dark green leaves 3-5mm in length, and cup-shaped vivid purple flowers to 2cm in width held just above the leaves in early summer

Synonym(s)

  • Saxifraga 'Theoden'

How to grow

Sunlight

  • Part shade

Aspect

  • West-facing or East-facing
  • Exposed

Cultivation

Grow in humus-rich, moist but very well-drained, neutral to alkaline soil in partial shade. Can be grown in a pot in alpine house

Soil

  • Well-drained
  • Alkaline or Neutral
  • Chalk, Loam or Sand

Propagation

Propagate by division in spring

Suggested planting locations and garden types

Gravel Garden, Patio/Container Plants or Rock Garden


How to care

Pruning

No pruning required

Pests

Aphids, slugs, vine weevil and glasshouse red spider mite may be a problem

Diseases

Generally disease free