The catalogs are springing up like crocuses.
For fruit trees, berries, and misc, we like Miller Nurseries.
For unusual and interesting plants, we like Wayside Gardens. Some say they aren't what they used to be, but who is?
For large scale plantings for wildlife, we like Musser Forests.
For perennials, we like White Flower Farm, but they ain't cheap.
Jackson and Perkins is an old stand-by for roses of all sorts, but there are many growers of antique roses these days - Google antique roses. Vintage roses are tougher than modern ones, and they smell like roses. Here's one source.