Sidalcea 'Little Princess'PBR

RHS Plant Profile
prairie mallow 'Little Princess'

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prairie mallow 'Little Princess' RHS
prairie mallow 'Little Princess' RHS
Herbaceous Perennial
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A compact perennial forming neat clumps of rounded to kidney-shaped mid green basal leaves. Flower spikes, to 35cm high, have dense, hollyhock-like, silky, pale-pink flowers with fringed petals and are borne from early to late summer

Position

Full sun

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
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Malvaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus
Sidalcea can be annuals or perennials, forming a clump of rounded or palmately lobed basal leaves, with erect stems bearing more deeply divided leaves and terminal racemes of 5-petalled mallow-like flowers
Name Status
Accepted

How to Grow

Cultivation

Grow in full sun in moderately fertile, humus-rich moist but well-drained neutral to slightly acid soil that does not become waterlogged in winter. Tolerant of a range of soil conditions but plants can be rather short-lived in heavy soils

Propagation

Propagate by division in spring

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Coastal
  • Patio and container plants
  • Flower borders and beds
  • Garden edging
  • Underplanting of roses and shrubs

Pruning

Cut back after flowering to encourage fresh foliage and promote a long flowering season

Pests

Slugs may be troublesome

Diseases

May be susceptible to rust diseases