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PlantFiles: Michaelmas Daisy, Frikart's Aster
Aster x frikartii 'Monch'

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Aster (ASS-ter) (Info)
Species: x frikartii (frih-KART-ee-eye) (Info)
Cultivar: Monch
Additional cultivar information: (aka Mnch, Moench)

4 vendors have this plant for sale.

11 members have or want this plant for trade.


24-36 in. (60-90 cm)

18-24 in. (45-60 cm)

USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:

Bloom Time:
Mid Summer
Late Summer/Early Fall


Other details:
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
This plant is resistant to deer

Soil pH requirements:
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing the rootball
From herbaceous stem cuttings
From softwood cuttings
From seed; sow indoors before last frost

Seed Collecting:
Unknown - Tell us

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Thumbnail #1 of Aster x frikartii by DaylilySLP

By saya
Thumbnail #2 of Aster x frikartii by saya

By DaylilySLP
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By Mockorange
Thumbnail #7 of Aster x frikartii by Mockorange

There are a total of 17 photos.
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8 positives
2 neutrals
No negatives

Gardeners' Notes:

Positive saya On Aug 24, 2014, saya from Heerlen
Netherlands (Zone 8b) wrote:

Lovely and flowering from may until when it gets to cold. I find them very good cutflowers too.

Neutral coriaceous On Feb 19, 2014, coriaceous from ROSLINDALE, MA wrote:

Aster x frikartii has an extraordinarily long season of bloom, from midsummer till fall. I wouldn't say that it covers itself in bloom, but it puts on a good show nonstop through its season (Boston Z6a). You can never have too many blue-violet flowers in the garden. But for me, it isn't really a fall bloomer.

I too have found it to be floppy and short-lived. My worst problem has been a tendency for the foliage on one or two stems (and eventually more) to begin blackening progressively down towards the ground until I prune the damage out. Looks like a fungal disease of some sort. It's happened in a variety of gardens and with plants from a variety of sources.

Positive marshallgal On May 15, 2012, marshallgal from Carrollton, TX wrote:

Wonderful plant. Bought two plants 10 years ago and have propagated them using softwood and hardwood cuttings. Easy to propagate, and they are the star of the autumn garden. Island bed display stopped traffic last year. I prune twice before July 1st (once in March, again in June) to keep them from flopping and am guaranteed a fine show by Halloween, which is what I want. The bloom starts in mid-October (because of the pruning) and last for weeks and weeks.

Positive suguy On Nov 23, 2011, suguy from Simi Valley, CA (Zone 9a) wrote:

I took a division of this very fine perennial last Spring and it has increased four-fold since.
It blooms continuously here in my Southern California garden from late September until late November (or even longer).
The intense lavender-blue color is especially eye-catching in the slanting light of Fall afternoons.

Neutral vickyg52 On Aug 14, 2010, vickyg52 from Merrick, NY wrote:

How large do the flowers get?

Positive John_in_Garland On Jun 12, 2010, John_in_Garland from Garland, TX wrote:

Growing/flowering well with about 6 hrs. Texas sun. Starts blooming mid June here.

Positive SunnyBorders On Feb 14, 2009, SunnyBorders from Aurora, ON (Zone 5a) wrote:

Excellent plant: lots of attractive lavender blue flowers: hardy: exceptional
for its long bloom time (at least six weeks): have never seen mildew on this aster: seems to be reasonably long lived (have five plants, in my garden, which are at least three years old): does need staking.

Positive Marilynbeth On Nov 20, 2006, Marilynbeth from Hebron, KY wrote:

Love it! It is beautiful and a great addition for the garden and for BF's!

Positive philomel On Nov 10, 2004, philomel from Castelnau RB Pyrenes
France (Zone 8a) wrote:

A magnate to insects at this back end time of the year and very welcome colour too.

Positive Terry On Jan 21, 2003, Terry from Murfreesboro, TN (Zone 7a) wrote:

Great fall-blooming color; prune in early summer to promote bushiness. Also make sure soil is on the poor side to prevent too much topgrowth. If - despite your efforts - the plants are floppy, stake them up to keep them looking their best during the blooming period.


This plant has been said to grow in the following regions:

, (2 reports)
Satsuma, Alabama
Knights Landing, California
Paradise, California
Simi Valley, California
Glastonbury, Connecticut
Plainfield, Illinois
Hazard, Kentucky
Hebron, Kentucky
Concord, Massachusetts
Roslindale, Massachusetts
Reno, Nevada
Clinton Corners, New York
Enid, Oklahoma
Carrollton, Texas
Garland, Texas
Shoreline, Washington
Spokane, Washington
Vancouver, Washington

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