Here's a great way to organize your seed packets by the month. It's a great improvement over the "shoebox" method.
DIY Garden Seed Storage Box
8 Seed Organizers + My DIY Seed Storage Box System
The Best Seed Storage Box, How To Store Seeds
Free Seed-Packet Templates - Dengarden
Make Your Own Seed Packets - FineGardening
Seed Storage Containers: Best Ways to Keep Organized
The Best Ways to Store Seeds
DIY seed box - The Surprise-aholic
Winter Gardening: Organizing Seeds Simple Seed Storage An, 54% OFF
Garden Seed Storage Organization Solution
Winter Gardening: Organizing Seeds Simple Seed Storage An, 54% OFF
DIY Seed Packet Organizer (Free Sewing Pattern), 57% OFF
DIY Garden Seed Storage Box