Not to brag or anything, but people at the garden tour liked these maps. And given that Illustrator has regularly been kicking my butt over the last ten years, I feel entitled to gloat ever so slightly at finally turning out a good product with it.
Unfortunately, Vox doesn't support PDF files. I had to upload these as JPGs. Click on the image; it will take you to another screen. Then click on the image again for a full-size version.