• Aster &
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Aster 'Monch'

Michaelmas daisy

Aster 'Monch' is a reliable perennial with lavender-blue daisy flowers over an unusually long season from summer into autumn.

Supplied as an established plant in a 2 litre pot

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Aster &

Aspect

Full sun

Hardiness

Fully hardy

Flowers

Summer, autumn

Soil

Loam, chalk, clay

About this plant

Long-flowering lavender-blue daisies

  • Description

    Aster 'Monch' is a reliable, long-flowering perennial with a profusion of lavender-blue, daisy-like flowers with golden centres, held on branching stems above narrow green foliage. It flowers over an exceptionally long season from mid summer well into autumn, making it one of the most valuable late-season perennials for pollinators. It is well suited to sunny borders and looks good grown alongside ornamental grasses.

  • Why we like it

    “

    It's one of the most dependable asters you can grow, flowering for months on end when many other perennials are winding down. The better mildew resistance compared with older Michaelmas daisies means it stays looking good without the mildew problems that put a lot of gardeners off asters.

Specs & details

The particulars

Botanical name
Aster 'Monch'
Common name
Michaelmas daisy
Supplied as
2 litre pot
Flower colour
Purple
Eventual height
60 to 75cm
Eventual spread
45 to 60cm
Flowering period
Summer, autumn
Habit
Upright, bushy, clump-forming perennial
Life cycle
Herbaceous perennial
Hardiness
Fully hardy
Aspect
Full sun
Soil type
Loam, chalk, clay
Moisture
Well-drained
Position
Mid-border, cutting garden
Plant spacing
4 to 5 plants per m²
Growing skill
Easy to grow

Plant calendar

When to plant, when it performs

 
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Planting
Flowering

Plant in spring or autumn. Once established, flowering begins in midsummer and continues right through to the first hard frosts.

Planting & care

Help it thrive

Planting guide

Plant in a sunny spot in reasonably fertile, well-drained soil, working in some well-rotted organic matter if the soil is poor. Good air circulation around plants helps keep foliage healthy. Water well after planting until established.

Care tips

Water during dry spells in the first growing season while plants establish; once settled, they are reasonably drought tolerant. Deadheading is not essential but tidying spent flowers can prolong the display slightly. Divide congested clumps every few years in spring to maintain vigour and flowering.

Winter care

Fully hardy and needs no winter protection. Cut back flowered stems to ground level in autumn once flowering has finished, or leave standing over winter for structure and to shelter overwintering insects, then clear away in early spring before new growth begins.