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				Response: Y'know, having lived here for two years, I can't tell you when's a good time either.  The blooming desert photos you see in Arizona Highways are really not the norm, as far as I can tell.  I've seen it once in a ranching valley with yellow flowers (I think California poppies) on a very lonely highway on my way back from visiting a friend in Las Cruces, NM in early April.