Here are some tips for collecting and saving your own seeds

Collecting and saving your own seeds does require some thought and knowledge of plant reproduction.

How To Save Bee Balm Seed (Monarda didyma) – GrowIt BuildIT

How to Select and Save Seeds for a Higher-Yield Garden Next Year – Garden Betty

Hints and How-Tos for Seed-Saving in Your Garden - The Home Depot

Seed Saving - Greens, Flowers & Herbs - urbantomato

Storing Seeds for Long-Term Seed Saving - Tenth Acre Farm

How To Save Vegetable Seeds From Your Garden, Grilling and Summer How-Tos, Recipes and Ideas : Food Network

Collecting and Storing Seeds from Your Garden

7 Steps to Harvesting and Saving Marigold Seeds

A Complete Guide to Seed Saving - Roots and Refuge

Saving Seeds Chicago Botanic Garden

The Ultimate Seed Saving Guide: 17 Tips