Cheers Gordon,
that was a good idea to add flowers to the list of topics in your photography tips section! I personally love flowers and find them being one of the important things that bring color to your pics - even in non-tropic Germany

. See my ever growing selection of flower pics
here!
One of the greatest challenges with flowers lies in three things: You want to show them
BIG thus use a macro lens, you want some depth of field, and you want to keep them
still - despite the wind that constantly shakes them (if you shoot outdoors). This is extremely challenging!
Fortunately you also want a lot of light to bring out the colors, so it's either the sun or you have to use a flash. This is your only chance to combine the required d.o.f.
and a short exposure.
Unless you shoot flowers like this (clickable for larger version):
But that is not really a macro-photo...
_________________
Thomas (beware: Nikon-fanboy and moderator!)
My Lens Reviews,
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