Experimentation is part of the fun of gardening. Saving seeds from your favorite vegetable or flower for next year's garden or even the next generation is something you might like to try.
Keep in mind that all flowers and vegetables will not come true from seed. Hybrids and those pollinated by the wind or insects may produce offspring unlike the parent plant. The resulting surprise can add to the fun. Use heirloom or older varieties when looking for consistency.
Timing is critical. When saving flower seeds wait for the seeds, not the flower, to be full size and mature. This is usually when the seedpod, capsule or seed head that houses the seeds turns brown and brittle.
Collect these and separate the seeds from the surrounding structure. Spread them on newspaper to finish drying. Place the dry seeds in an envelope labeled with the plant name and date the seeds were collected. This will make spring planting much easier.
Store the seeds in an airtight container in the refrigerator.
Consider saving a few vegetable seeds, as well. Heirloom peas and beans are open-pollinated, so they form seeds that will grow into plants that are similar to the parent plant.
Allow the peas and beans that you plan on saving to dry on the plant. Once the pods turn brown and the seeds rattle inside, they are ready to harvest. This is about six weeks after you harvest snap beans for eating and about four weeks after the normal picking stage for peas.
Protect plants from frost or pull them out of the ground and hang them in a cool, dry location, so the pods can finish drying if needed. Remove the pods from the plants and allow them to further dry indoors for about two weeks.