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Aster 'Showmaker' CollectionSymphyotrichum

Half-hardy Perennial

What is Half-Hardy Perennial?
A plant that lives for more than two years. Can be grown outdoors
but requires winter protection from frosts and temperatures below 0C.


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Cheery blooms in late summer and autumn

Free flowering with a neat and tidy habit

Perfect for beds, borders, patio pots and window boxes

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Please note: This product cannot be delivered outside the United Kingdom.

Height Up to 30cm (12in)
Spread Up to 30cm (12in)

Half-hardy Perennial

patiocottage gardenswildlife gardens

sun or semi shade

Flowering Months

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When late summer colour is in short supply, give your garden a lift that will last right through to the first frosts! These cheery little Asters will brighten up patios, beds and borders with an inexhaustible supply of fully double flowers. Their bright blooms come in a range of 6 dazzling colours, all with the same free-flowering vigour and neat, compact habit. Choose your favourite shades from the Aster ‘Showmaker’ Collection, or buy them all for a real colour explosion! Height and spread: 30cm (12").

1 x 2 litre potted Aster 'Showmaker White' (KB2341)
1 x 2 litre potted Aster 'Showmaker Pink' (KB2340)
1 x 2 litre potted Aster 'Showmaker Magenta' (KB2339)
1 x 2 litre potted Aster 'Showmaker Lilac' (KB2338)
1 x 2 litre potted Aster 'Showmaker Light Pink' (KB2337)
1 x 2 litre potted Aster Showmaker Blue (KB2336)

How to Grow
Plant Asters into fertile, moist, well drained soil in borders, beds and patio containers. Choose a position in full sun or semi shade.
More Info
Feed and water regularly to ensure an endless supply of flowers. Deadhead faded aster flowers to encourage more blooms to be produced.

Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £2.99.

Orders which include any other products will incur a delivery charge of £5.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.99 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.

Thompson & Morgan strives to ensure that all its plants are delivered to you in the perfect condition for planting. Sadly, the time it takes to deliver to certain locations in the UK means that we can't guarantee this, so regretfully we are unable to ship live plants to the following areas: HS, IV41-IV49, IV51, IV55-56, KW15-KW17, PA34, PA41-48, PA60-PA78, PA80, PH40-PH44, TR21-TR24, ZE1-ZE3

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