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
New Trillium species discovered

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

RSS story archive

Re: [iris] Re: REB: climate (was reverse stripes on iris-photos

  • Subject: Re: [iris] Re: REB: climate (was reverse stripes on iris-photos
  • From: "Colleen Modra" <colleen@impressiveirises.com.au>
  • Date: Wed, 4 Aug 2004 04:35:18 +0930

We don't water our irises as much in summer as Mike does, we get most
rebloom about 6 weeks after the break in the season, i.e. when we start
getting real rain after a very hot dry summer.

Colleen Modra
Adelaide Hills
South Australia  Zone 8/9


----- Original Message ----- 
From: "Char Randall" <charandmike@juno.com>
To: <iris@hort.net>
Sent: Wednesday, August 04, 2004 2:55 AM
Subject: Re: [iris] Re: REB: climate (was reverse stripes on iris-photos

> On Tue, 03 Aug 2004 11:49:35 -0400 Linda Mann <lmann@volfirst.net>
> writes:
> > I see a bit of rebloom> during the hot summer, but things don't really
> pick up until we get
> > cooler nights and drier temps.  It seems like a cool night (below
> > 60oF)> in August will usually result in bloom a month to 6 weeks later,
> > but that just my impression (no data).
> >
> > I asked Mike about night time air and soil temperatures,
> > And I don't think Mike knew what soil temperatures are.  Or maybe......
> >
> Linda, sounds like an interesting thread on another list but the subject
> line indicates it might be difficult to try to follow now! I'd like to
> add a few thoughts for consideration. I think "dry" is the key. Rebloom
> here for me seems to follow the dry and slow growth cycle of the hot
> summer, followed by a thundershower or a deep, slow flood irrigation
> watering. Like many desert plants, I think my iris have shut down active
> growth and are at a "maintain" level, not dormant tho, and then the rain
> or irrigation triggers the regrowth and rebloom cycle. Kind of like lilac
> or some bulbs needing winter cool to trigger spring bloom?  Who
> knows....maybe its the shock value of the lightening and thunder!!!  Do
> you know what kind of supplemental watering Mike uses? and how often?
> Whatever the cycle is, and what starts it is interesting isn't it?
> BTW Golden Immortal has three really fine bloom stalks and pretty flowers
> shining outside in full sun in triple digit heat! The blooms are holding
> up very well for these temps. Is this TB fertile?
> Char Randall
> Melba, Idaho
> Surf the Web up to FIVE TIMES FASTER!
> Only $14.95/ month - visit www.juno.com to sign up today!
> ---------------------------------------------------------------------
> To sign-off this list, send email to majordomo@hort.net with the
> message text UNSUBSCRIBE IRIS

To sign-off this list, send email to majordomo@hort.net with the

Other Mailing lists | Author Index | Date Index | Subject Index | Thread Index

 © 1995-2017 Mallorn Computing, Inc.All Rights Reserved.
Our Privacy Statement