cygon vs. borers vs. blooms

I have not sprayed my wife's bearded beds with cygon, which I normally would
have done earlier in the season, because she was working in them every day,
repairing damage from this weird winter and spring,  and I did not want to
spray this nasty stuff where she would be digging.  The remedial work she
has been doing is now nearly done, but many of the less than tall beardeds
have begun to bloom.  (Her RARE EDITION was runner-up for Queen of the Show
yesterday at Chesapeake and Potomac's Median Show, first time she ever
entered a stem in competition.)  

QUESTION:  Is it safe (for the plants, that is) to spray cygon (a) on buds
showing no color, (b) on buds showing color or (c) on blossoms which have
opened?    It now will be impossible to spray thoroughly without hitting
some buds, and if cygon will damage the blossoms we would rather take a
chance on borers, which we have not had up to now.  Beds are variously one
year and two years old.

If we do not spray now, will it do any good to apply cygon between the end
of the spring blooming season and the beginning of reblooming?

(Yes, I wear approved mask, etc. when using this stuff.)

Ed

Edmund L. Castillo in Loudoun Co., VA
castillo@pipeline.com
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