Re: Re: HYB: REB: mixing cold climate & CA; pH

In a message dated 7/26/2007 6:16:17 A.M. Central Daylight Time,  
lmann@lock-net.com writes:

<<Or have you tried raising the pH to see if that will trigger  summer 
bloom here? I think you said no to that  one.>>
 
Linda, I apply lime more here than I did in Alvaton.  Did not this  spring 
due to health problems.  
 
It's hard to determine what is limiting rebloom this year.  It could  be any 
one factor or a combination of all.  
 
1)  Left over effects from the spring freeze. 
2)  Lack of cool temperatures at night.  (Clearly, from Mike's  reports, it's 
NOT day time highs.)  
3)  Lack of water.  One water bill of near $100 was  enough. Allowing rebloom 
cultivars to go dormant after spring bloom is said  to turn off rebloom.  
Most were not watered due to the fear of  rot.   
4)  Lime?  Presence or absence.  


Articles I've read do indicate that lime or the lack of lime can be the  
determining factor in the survival of irises in our area. Other areas too.   I've 
not read any studies that give a definitive report on it's ability to  
specifically turn rebloom on or off.  
 
I've recent reports that my irises grow well in OK, but no reports from  CA.  
 
 
________________________________________________________
Betty W.  in South-central KY Zone 6 ---If you don't cross them, you can't 
plant them!  
Bridge In Time Iris Garden@website:
Some seedlings planted and some still  in the pots! 
_www.thegardensite.com/irises/bridgeintime/_ 
(http://www.thegardensite.com/irises/bridgeintime/) 
_Reblooming Iris - Home Page_ (http://www.rebloomingiris.com/)  
_iris-photos archives_ (http://www.hort.net/lists/iris-photos/)  
_iris-talk archives_ (http://www.hort.net/lists/iris-talk/)  
_AIS: American Iris Society website_ (http://www.irises.org/)   






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