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Re: RE: Dark Top plicata IB

  • Subject: Re: RE: Dark Top plicata IB
  • From: iris4u2@comcast.net
  • Date: Fri, 9 Oct 2009 15:23:19 +0000 (UTC)

I don't track every day min/max readings myself but I have attached information on ave.
And since this is Iris Photos I have attached a photo of an Iris and the roots. just for grins.

Climate for Denver, Colorado

Home : Climate Graphs: Colorado : Denver

Average Temperatures for Denver

Average Temperature for Denver, Colorado
Month Low High
Jan 15.2°F 43.2°F
Feb 19.1°F 47.2°F
Mar 25.4°F 53.7°F
Apr 34.2°F 60.9°F
May 43.8°F 70.5°F
Jun 53.0°F 82.1°F
Jul 58.7°F 88.0°F
Aug 57.4°F 86.0°F
Sept 47.3°F 77.4°F
Oct 35.9°F 66.0°F
Nov 23.5°F 51.5°F
Dec 16.4°F 44.1°F

Denver's coldest month is January when the average temperature overnight is 15.2°F. In July, the warmest month, the average day time temperature rises to 88.0°F.

Average Rainfall for Denver

Average Rainfall for Denver, Colorado
Month Precipitation
Jan 0.51in.
Feb 0.49in.
Mar 1.28in.
Apr 1.93in.
May 2.32in.
Jun 1.56in.
Jul 2.16in.
Aug 1.82in.
Sept 1.14in.
Oct 0.99in.
Nov 0.98in.
Dec 0.63in.

The driest month in Denver is February with 0.49 inches of precipitation, and with 2.32 inches May is the wettest month.

Monthly Sunshine Hours

Percentage of Sunshine for Denver, Colorado
Month Sunshine Hours
Jan 71%
Feb 69%
Mar 69%
Apr 67%
May 64%
Jun 70%
Jul 71%
Aug 71%
Sept 74%
Oct 72%
Nov 64%
Dec 67%

Sunshine hours refers to the amount sunshine there is during the hours of daylight. A higher percentage means there is more sunshine through the day and a lower percentage will indicate that it is probably cloudier. Sunshine hours are important when you are planning your vacation.


Bob in Denver


----- Original Message -----
From: irischapman@aim.com
To: iris-photos@yahoogroups.com
Sent: Friday, October 9, 2009 8:31:32 AM GMT -07:00 US/Canada Mountain
Subject: Re: [iris-photos] RE: Dark Top plicata IB


Hard to say what it's weaknes is. But I have heard from a few people who also commented that Epicentre isn't hardy for them. Last winter I lost lots of plants and Epicentre seedlings took a very hard hit.

We do have very difficult springs here. Spring comes slowly. It is cold and wet and many freeze/thaws which is hard on plants.

Another factor which seems to be important is the min temperature  during summer. The min temperature being above 16C and below 21C seems to be important. We don't get a lot of min temps above 16 until mid August, and then not too many before it goes below this .

Do you have min/max eadings in yuour garden? if not then what is closest weatehr station with online records?

Chuck Chapman

-----Original Message-----
From: iris4u2@comcast.net
To: iris-photos@yahoogroups.com
Sent: Fri, Oct 9, 2009 10:19 am
Subject: Re: [iris-photos] RE: Dark Top plicata IB

Very interesting color pattern.  Not all that pretty but interesting! 
Epicenter grows OK for me in Colorado.  We went from 80 a few days ago to 28 this morning with heavy frost.   It isn't uncommon in the winter time to be at 20 below and sunny and 60 a few days later so maybe it isn't a cold hardiness gene it lacks but cultural condition that they don't like.  Or soil pH?  So I'm rethinking the hardiness effect on many varieties.   I  thought certain varieties wouldn't grow in Colorado due to our cold climate.  I noticed this year with the extra moisture we received during June and July, varieties which I was about to give up on because they just wouldn't increase put on tremendous growth.  We are considered a semi-arid climate and normally don't receive much more than 12 to 15 inches of moisture for the whole year.  This year during June and July we received about 7 inches of rain and the Iris drank it up without any rot or leaf spot.   Varieties which I thought didn't like Colorado due to a lack of cold hardiness gene now I will consider growing on due to the cultural condition I had put them under.  I just need to supplement with more moisture during their critical growing period.   For what it is worth.
Bob in Denver
Iris4U Iris Garden
----- Original Message -----
From: irischapman@aim.com
To: iris-photos@yahoogroups.com
Sent: Friday, October 9, 2009 7:04:46 AM GMT -07:00 US/Canada Mountain
Subject: [iris-photos] RE: Dark Top plicata IB

Here is one of my dark top plicata seedlings. This one is an IB from Eoicentre X Summoned Spirit.

Hopefully it will have hardiness of SS and not that of Epicentre.

Chuck Chapman

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