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A B C D E F G H I J K L M
N O P Q R S T U V W X Y Z
Click name to see details: [ Achillea ] Actaea ] Agastache ] Ageratina ] Ajuga ] Alcea ] Alchemilla ] Angelica ] Anthemis ] Aquilegia ] Aster ] Astrantia ]

Aster

A huge and diverse group of plants and members of the Asteraceae family. The well known Michaelmas Daisies flower in Autumn. 

Many need a fairly sunny spot. Autumn flowering types benefit from division every 1-3 years. They can be divided in autumn or spring, but expect losses if dividing in autumn.  Many spread by ground level rooting stems which makes propagation easy. Others require  more careful division of new plantlets from the parent. 

Very valuable for late flying bees and butterflies. Goldfinches will enjoy the seed heads.

Dead heading prolongs flowering.

Taller types may require staking in exposed positions.

Great for bees, butterflies and hoverflies.

Find out more about mildew-free Asters in our Garden Diary for September 2009

Find out about using autumn flowering Asters in the garden in our garden diary entry for October 2010.

For related plants see Boltonia and Kalimeris

 

Photo: Aster x.frikartii Mônch with Small Tortoiseshell butterfly and Lobelia Tania © 2010 SpecialPerennials.com

Aster Anja's Choice 

Neat upright bushy form that needs no staking despite growing to about 3ft - 3ft 6in tall. 

Studded with 1in pale pink flowers from the beginning of September onwards into autumn. 

We really rate this Piet Ouldolf introduction and so do the bees and butterflies.

Very limited numbers available to be ready for spring 2011 delivery.

 

Aster ericoides Pink Cloud

Prolific, late flowering, bushy Aster with tiny leaves (hence ericoides - like an Erica, heather). About 3 ft tall and mildew free unless bone dry. Flowers from September right into October and November. 

RHS Award of Garden Merit

 

 

Aster x. frikartii Flora's Delight 

Excellent mildew-free Aster and quite short compared to other frikartii varieties at only 1ft 6in tall. Same long flowering period (Jul - Oct) but the pale pink colour is unique (as far as I know) among frikartii Asters.

 

Aster x. frikartii Mônch

One of the best Asters in the garden. Large lavender flowers from July onwards into autumn that attract bees and butterflies. About 2ft 6in - 3ft tall. Completely mildew free.

Read our Garden Diary entry for August 2009 with planting ideas for this lovely plant. For really large flowers plant in moist soil. It really performs well in dry soils but the flowers are 2in across instead of 3in.

This is one of our most popular plants and stocks do go quickly.

RHS Award of Garden Merit

Aster Glow in the Dark 

A newish introduction from Avondale Nursery (hi Brian and Steph) that is a cross between Aster laevis Calliope and Aster novi-belgii Fellowship. It inherits its tangle of dark stems and dark green leaves from the former and thankfully doesn't seem to have brought along any of the novi-belgii mildew proneness.

Its got to about 5ft tall in some moist and muck-enriched soil in our long border this year.

 

Aster laevis Calliope 

One of the glories of the late summer / autumn border. Sparkling in the low sun, it also shines out brilliantly in dull weather. Tall plants (up to 120-150cm) with striking black stems and red-tinged leaves. The lavender purple flowers open in August and last well into October. Mildew free in the ground. Does spread but not rapidly. Pretty well self-supporting.

The epithet laevis means "smooth" referring probably to the leaves and stems - most Asters have hairy leaves.

Aster Little Carlow 

Violet-blue flowers on 3ft / 90cm tall plants. Mildew free. Likes a good rich soil. The flower heads are very large and may need a little support when grown in rich soils. RHS Award of Garden Merit.

Aster macrophyllus

Unusual Aster with large leaves and masses of small starry whitish pale violet flowers from late July. Great for dry shade.

Aster macrophyllus Twilight

Now properly called Aster x. herveyi. Shade lover (even dry) with violet flowers and large leaves. 2ft tall. Does creep at the roots but anything that flowers in dry shade is welcome to spread in my garden!

Aster Novemberlaan

Very late flowering (hence the name) with lavender flowers. About 4ft tall. Starts into flower mid October and goes on into November. 

When I got this plant it had a pencil written label that was somewhat faded so I hope I deciphered the name correctly. Novemberlaan is a war cemetery in Belgium.

Photo taken in November.

Aster novi-belgii Red Robin

Dwarf variety, never more than 2ft tall in our garden with masses of carmine-red flowers in late summer / autumn. Needs good soil, moisture, sun and regular springtime division. 

 

Aster Ochtendgloren 

(Meaning "Daybreak" or "Aurora" in Dutch)

Spectacular late flowerer starting in September and carrying on into November. A favourite with late flying butterflies. 

About 4ft tall and completely mildew-free in our experience. Loves full sun and soils that aren't waterlogged in winter. 

Star of our October garden in 2009.

RHS Award of Garden Merit.

Aster schreberi

Another great Aster for (quite dense) shade and dry soil. White flowers from early August. 1ft 6in tall. 

 

Aster Vasterival 

Tall airy Aster with lilac-pink flowers from late September onwards into autumn. Dark stems and narrow leaves. Mildew-free in our garden. 

Le Vasterival is a botanic garden in France.