Aster amellus 'Forncett Flourish'

RHS Plant Profile

Italian aster 'Forncett Flourish'

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Herbaceous Perennial

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A clump-forming perennial to 60cm tall bearing branched sprays of purple-blue flowers with golden-yellow centres from late summer into autumn

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: Moist but well–drained or Well–drained
pH: Alkaline or Neutral

Position

Full sun Partial shade

Aspect: South–facing or East–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): H7

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asteraceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Aster can be perennials, annuals or subshrubs, mostly with narrow leaves, and solitary or clustered, daisy-like flowers
Name Status: Accepted

How to Grow

Cultivation

Grows best in moderately fertile, well-drained soil in an open, sunny position but will also tolerate partial shade; thrives in alkaline conditions

Propagation

Propagate by division

Suggested planting locations and garden types

Cottage and informal garden
Prairie planting
Flower borders and beds
Cut flowers

Pruning

Cut stems close to the ground in late autumn

Pests

May be susceptible to slugs, snails, aphids, leaf and bud eelworms

Diseases

May be susceptible to wilts, leaf spot and grey moulds