On Mon, 28 Feb 2005 00:38:12 GMT, John Savage
wrote:

On the local Sydney radio gardening program, a caller rang in to ask
about the colour of her rhubarb, it not being as red as it usually is.
The gardening expert said that temperatures above 25C cause rhubarb to

Your gardenening expert is obviously a dipstick, like most media
types...
The colour is dependant on the type, other atributes to type are size
of stems, thicknes of stems etc....
The caller that rang the station was probably lonely and needed to
hear him/herself talk.... as do most callers to those shows...

Try http://www.rhubarbinfo.com they may have more to it.