Inspired by the revival of this topic, I went out this morning to see what I had left of my wild grapes after the re-siding of the garage. The answer is "a few." I picked and put up a batch, but if the ones in my yard are any indication, I think waiting a week or two is probably a good idea. I'm going to be rolling some mighty small dolmas

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For others who venture forth, here are my tips:
1. Pick as close to the base of the leaf as you can. You don't want any stems because they'll poke holes in the blanched leaves when you stack them up.
2. A good size is roughly the from the size of your palm up to your palm plus your first knuckles.
3. My mom's recipe (above) calls for 40 grape leaves. Since many of them were really too small and because I'm sure to goof up and tear some, I put up a batch of 45.
4. As you clean them, nip off any remaining bits of stem.
5. All it takes is a
very brief blanch. Less than a minute.
6. Stop the cooking (as you always would) by draining and then running them under a lot of cold water or dropping them in a bowl of ice water.
7. Stack them up with the bases aligned and with the underside of the leaf facing you (the underside is ribbed--it's easy to tell). This takes a little more time, but makes it much easier when you're ready to use them.
8. Slide the pile into a freezer bag and stick in the freezer. You're all set.
The whole project, which included wandering around my yard looking for remaining vines with big enough leaves, took maybe 30 minutes. It would take much less if you had a more visible supply of bigger leaves.