Arenaria balearica

RHS Plant Profile

Balearic pearlwort

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Other common names

Balearic sandwort, Majorca sandwort

Alpine Rockery

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A slow-growing, mat-forming evergreen perennial just 1cm in height with tiny, oval, glossy light green leaves. White starry flowers 6-10mm across appear from late spring to summer

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 1–2 years
Max Spread: 0.1-0.5 metres
Max Height: Up to 10 cm

Growing Conditions

Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: East–facing or North–facing or South–facing or West–facing
Exposure: Exposed or 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): H4

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Caryophyllaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Matforming
Genus: Arenaria can be annuals or usually mat-forming, evergreen or herbaceous perennials with small leaves and 5-petalled white flowers
Name Status: Correct

How to Grow

Cultivation

Easily grown in rock garden or in a crevice in a wall or paving. Grows best on poor sandy soils in full sun or partial shade

Propagation

Propagate by seed, division or basal cuttings

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Rock garden
Low Maintenance
Ground cover

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free