Saxifraga 'Monarch' (8)

RHS Plant Profile
saxifrage 'Monarch'

Synonyms

Saxifraga longifolia 'Imperialis'

Award of Garden Merit
Alpine Rockery

A mat-forming, evergreen perennial with rosettes comprising green-grey oblong leaves up to 5.5cm long . In summer, stems up to 50cm tall bear fragrant, white flowers spotted with red at the base of each petal

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or East–facing
Exposure
Exposed
Hardiness
H5

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Saxifragaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Clump forming
Genus
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
Name Status
Accepted
Horticultural Group
Ligulatae section saxifrages are evergreen perennials forming monocarpic rosettes, usually clustered, of narrowly strap-shaped or oblong, lime-encrusted leaves, with sprays of small white, pale yellow or pink flowers in late spring or early summer

How to Grow

Cultivation

Grow in moderately fertile, very well-drained, neutral to alkaline soil; keep roots moist. Tolerant of full sun in cool areas but protect from leaf scorch in warm areas

Propagation

Propagate by detaching rosettes and rooting as cuttings in late spring or early summer

Suggested planting locations and garden types

  • Gravel garden
  • Patio and container plants
  • Rock garden

Pruning

No pruning required

Pests

May be susceptible to aphids, slugs, vine weevil and glasshouse red spider mite

Diseases

Generally disease-free