Timber Press is having
a contest: Submit your best macro garden photograph, and you could win a copy of a book about taking macro photos.(which seems back-to-front to me... clearly the winner is in no need of a book in order to take amazing pictures. Maybe they should give the book to the worst submission? I like that idea -- I might have a chance then!)
I'm not much of a macro person -- I tend to try (try, usually fail) to take pictures which give an idea of what a whole garden looks like. But: Sometimes the extreme close up is irresistable, as in the case of my submission to the contest: A fringed tulip I saw in the Netherlands a couple years ago: