CULT?: Photoperiodic Irises?


     Has anyone done any studies about Irises being sensitive to the length
of the daylight hours?  My TB Irises basically sat and grew little until
the last couple of weeks, even though conditions were suitable for growth. 
Now, they are growing quite a bit.  Also, a couple of Japanese Irises have
emerged, and CORONATION ANTHEM (SIB) is up about 6".  The Spuria ILA
CRAWFORD is growing faster now.  
 
Mark A. Cook
billc@atlantic.net
Dunnellon, Florida.
    



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