I don't know why they call them "berries". These are grains of wheat and I have had them in my freezer (where I keep all my seed) for several years. They sprout beautifully. Each grain is about a half centimeter long. You can usually find them in a health food store. Here's a video I found on YouTube for how to sprout them: http://www.youtube.com/watch?v=zIexE5ZMFEM As shown in the previous image, after they've sprouted I grow them in a tray.