Smilingcat- my big veg garden got started in the summer too, 2 years ago. At first I felt cheated when things got delayed and that I couldn't get things planted that Spring, but then I realized that I could sow an entire Fall garden of veggies from seed that would do great if sown in mid to late summer. That first Fall I got carrots, turnips, lots of lettuces, scallions, all kinds of stuff.
Here was a photo of the brand new garden that I planted from seed in mid July 2009, even before the garden fence was put up and completed:
http://2.bp.blogspot.com/_9fPBEJTqGz...0/posts-up.jpg
Same garden, by mid Sept:
http://2.bp.blogspot.com/_9fPBEJTqGz...h/garden_1.jpg
Mid December, I was still harvesting turnips and carrots:
http://4.bp.blogspot.com/_9fPBEJTqGz...ts-turnips.jpg
So, a whole lot can be done with a veg garden started in mid summer :)
That whole garden space had been
useless backyard lawn since 1941.