North American Fruit Explorers mailing list at ibiblio

["alden@waldenwinds.com" <alden@waldenwinds.com>]

I have started some grape cuttings June 18 in pots.

I wondered if there is a best temperature known for grape cuttings.

Grafting temperature for walnuts, [any many other nuts such as hazelnuts] 
there is a bell curve peaking at 80ºF.  Either below or above 80º sees a 
rapid deterioration in the ability of the walnut tree to callus.

I wondered if a 'best' temperature for callusing and then rooting grape 
cuttings is known?  Previously I had started grape cuttings in a hotbed and 
saw a powerful difference between grape cuttings started in a cold-frame vs. 
a hot-bed.

Charlie Paradise, Massachusetts