hort.net Seasonal photo, (c) 2006 Christopher P. Lindsey, All Rights Reserved: do not copy
articles | gallery of plants | blog | tech blog | plant profiles | patents | mailing lists | top stories | links | shorturl service | tom clothier's archive0
Gallery of Plants
Tech Blog
Plant Profiles
Mailing Lists
    Search ALL lists
    Search help
    Subscription info
Top Stories
sHORTurl service
Tom Clothier's Archive
 Top Stories
Disease could hit Britain's trees hard

Ten of the best snowdrop cultivars

Plant protein database helps identify plant gene functions

Dendroclimatologists record history through trees

Potato beetle could be thwarted through gene manipulation

Hawaii expands coffee farm quarantine

Study explains flower petal loss

Unauthorized use of a plant doesn't invalidate it's patent

RSS story archive

Fw: SPU:culture

  • Subject: Fw: [iris-photos] SPU:culture
  • From: "Colleen Modra" irises@senet.com.au
  • Date: Fri, 20 Jun 2003 10:51:59 +0930

> Hi
> I grow about 50 different spurias. From what I've seen about the only
> that will kill them is heavy summer humidity or wet-moist mulch. I know
> grow and flower well in California, and here in Aust. I've just exported
> some to Moscow and the person grew some there.  There is some debate here
> to how much summer moisture they need. We have some which get water about
> once a week during very dry summers and some which get very little
> Both grow and bloom but they seem to better with some water and
> esp in very dry climates.
> Check out our web site below.
> Colleen Modra
> Adelaide Hills
> South Australia  Zone 8/9
> colleen@impressiveirises.com.au
> www.impressiveirises.com.au
> ----- Original Message -----
> From: "Robert Dickow" <dickow@uidaho.edu>
> To: <iris-photos@yahoogroups.com>
> Sent: Friday, June 20, 2003 6:05 AM
> Subject: Re: [iris-photos] SPU:culture
> > My spuria do very well here in USDA zone 5 in north Idaho. We have a
> fairly
> > moist spring season followed by a hotter dry summer. Many people let
> go
> > totally dry at that time, but mine are mixed in with my perennials so I
> just
> > treat them like everthing else. This way, they tend not to brown off in
> > summer, and this is fine by me. It has little effect on their
> > Spurias can go down to zone 4, and maybe even 3. They are very hardy. I
> > would say that the hybrids are not finicky at all, though Iris
> > (the old white spuria also aliased as ochroleuca) is particularly
> unkillable
> > under any treatment. Very few people have discovered spurias in our
> > though I notice the old white orientalis is poking up in odd spots in
> > yards. People don't know what they are, and sometimes report never
> > planted them. They were probably planted by some former property owner
> back
> > in the 1930's!! Spurias can go virtually forever with no division.
> >
> > I've read that spurias do not fair well in humid eastern states, and
> > Massachusetts
> > has been mentioned as an example. (Oh well, I can't grow Louisianas here
> > at all) The spurias are popular in the midwest, the southwest, and in
> > California, where they do quite well. They do very very well for me up
> here
> > too.
> >
> > Soil here is volcanic clay-based 'loess' whatever that is. It is not too
> > heavy, but holds moisture very well (hence the no-irrigation pea,
> > and wheat farming that is massively successful in our 'Palouse' region
> > the famous 'Inland Empire'.) If grown in sandy or lighter soil, they
> > recommend planting a little deeper, maybe 3 or more inches. I put mine
> about
> > 2 inches down, but I notice that after a time many roots are actually
> > under the surface anyway, so they seem to find their own level. The
> rhizomes
> > should be covered, however, even though they resemble tall bearded
> 'roots'.
> >
> > It is usually recommended that the roots and rhizomes not be allowed to
> get
> > dry during the lifting/moving/planting stage. Typically you will recieve
> an
> > order wrapped in wet newspaper or rafia. However, last year I got a
> > order of dried and dormant roots. This year every single one of them
> > bloomed, but on plants only about 1/2 height. Typically spurias will not
> > bloom the first year after planting (though I get 1/10 to bloom.) I
> I
> > would rather get bigger richer plants the first year and forego the
> blooms,
> > however, instead of getting dried roots. The first blooms on these new
> 'dry'
> > stock plantings are a little smaller than usual too. (Wildwood Gardens
> > the source of these...very nice varieties, but a smaller selection than
> some
> > growers.)
> >
> > I feed mine a bit more heavily than my general garden stuff. The books
> > this can result in more blooms, and perhaps this is true. It does seem
> > promote taller, more robust growth.
> >
> > Large clumps of 3 feet or more across become quite impressive. You can
> chop
> > out new plant material from the edges of these, in the fall, or in the
> > spring. Spring shipment is virtually nonexistent, but you can move them
> > early spring when the growths are just beginning to grow again, and
> > get some bloom.
> >
> > Watch for virus. I suspect a clump or two of having some TMV. The leaves
> get
> > chlorotic streaks and yellow zones every year and show little or no
> I
> > am digging these out and destroying them soon. I think they came this
> > as I tend to treat my spurias as I do my orchids... cutting with tools
> > dipped in chlorox. However, in the garden, insects may spread viruses
> >
> > Bob Dickow
> >
> > ----- Original Message -----
> > From: "Patricia Wenham" <h.schinkep@verizon.net>
> >
> > > Your spuria iris are beautiful and look very healthy.  Could you tell
> > > more about their culture, please?  I ordered some this year and really
> > > need more information on them as I have only grown one spuria in the
> > > past.  It loved the sandy loam and arid climate with cold, windy
> > > in USDA zone 5 where it grew on a bank which got very little water and
> > ><snip>
> >
> >
> >
> >
> >
> >
> > Your use of Yahoo! Groups is subject to
> >
> >

------------------------ Yahoo! Groups Sponsor ---------------------~-->
Get A Free Psychic Reading! Your Online Answer To Life's Important Questions.


Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ 

 © 1995-2015 Mallorn Computing, Inc.All Rights Reserved.
Our Privacy Statement
Other Mailing lists | Author Index | Date Index | Subject Index | Thread Index