Check this photo:
http://growingfruit.org/uploads/default/original/3X/2/6/26a03d8234c00e433cf07c3503f02ad3da799584.JPG
Unbagged vs ziplock vs organza.
From my post: My Backyard planting experience (Part 2) - Zone 4a/b Quebec, Canada - #11 by hungryfrozencanuck4b