Erigeron glaucus

RHS Plant Profile

glaucous-leaved fleabane

Other common names

beach aster, seaside daisy

Synonyms

Erigeron glaucus beach aster

Alpine Rockery

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A clump-forming perennial bearing flowers with a yellow eye and mauve petals in summer. Grey-green, lance-shaped leaves. Grows to 20cm high and has a spread of 30cm.

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.5-1 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Chalk Clay Loam Sand

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

Position

Full sun

Aspect: 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): H5

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asteraceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Clump forming
Genus: Erigeron can be annuals, biennials or perennials with simple or lobed leaves, and daisy-like flowers with many slender rays, appearing over a long period in summer
Name Status: Correct
Plant Range: W USA

How to Grow

Cultivation

Grow in fertile well-drained soil that does not dry out in summer, in full sun. Ideal for seaside locations

Propagation

Propagate by division or from basal softwood cuttings in the mid to late summer

Suggested planting locations and garden types

Gravel garden
Coastal
Cottage and informal garden
Wildlife gardens
Ground cover
Banks and slopes
Garden edging
Flower borders and beds
Underplanting of roses and shrubs

Pruning

Deadhead to encourage further flowering. Cut back to ground level in autumn to maintain neat growth

Pests

Generally pest-free

Diseases

Generally disease-free