Blackberry lily seeds are easy to find and save
As your plants flower and set seed and your fruit ripens on the vine, think of what you would like to save for next year. Saving seed can be easy and cost effective. In addition to saving seed to plant in your garden next year, you can give away seed packets as gifts or participate in seed swaps.
In order to save seeds, you have to separate the seeds from the fruit and dry them completely. If you strike a seed with a hammer and it shatters or if it snaps cleanly when bent, the seed is dry enough. When they are this dry, store in a cool, dark place in jars or put in envelopes. Always label with a plant name and date.
There are two methods for separating and cleaning the seed depending on the plant. Use the dry method for seeds that are in dried flowers, dried husks, or dried pods like beans, peas, grains, okra, marigolds, cone flowers, calendula, dianthus, basil, mustards, lettuce, kale, dill, fennel (any member of the carrot/dill family and the brassica/broccoli family). Use the wet method when the seeds are imbedded in the fleshy fruit, such as tomatoes, cucumbers, melons, squash, and eggplant.
Dry Method of Saving Seeds
Usually the plant has more than one flower head, each with their own timeline of flowering and setting seeds. During the summer, when the individual flower head has dried or when most of the seeds appear to be dried, cut the seed head and put in a paper bag. Cut when the stalks are brown at least an inch down from the seed head. Label the bag with the plant name and date. Continue to cut and save this way until you are ready to separate seed from fruit.
with nasturtiums, the flowers drop off and the seed will grow and become prominent months later
Some flowers, such as nasturtiums and four o’clocks, have a single flower that blooms and drops revealing a seemingly empty calyx. Soon though a seed will grow and become more prominent, making it easy to separate and save.
Beans and peas are fleshy so you can cut when the pod has become leathery or yellow and not completely dry. Let it continue to dry off the vine on a cookie sheet until the seeds rattle in the pods. For peppers, it is important to let the fruit ripen to the last color stage (many progress from green to red). For the cool season lovers such as greens (lettuce) and brassica family members such as kale, mustard, pak choi, cabbage, and broccoli, let the plant bolt (flower). Then cut and put in a bag.
Many seeds are also beautiful such as these Tiger beans
In the winter, when I can’t go outside and garden, I gather all my bags and sit down at the dining room table. I put the seed heads on a white dinner plate or a cookie sheet to make it easier to see the seeds and prevent them from rolling off the table. By this time, the seeds and husks are completely dry and I simply pull apart the seed from the husk on the plate. If it is easy to remove, like marigolds, I put the seeds in a glass jar. If it is a fine seed with a lot of husks, like pak choi, I thrash it around in a large paper bag so that the seed falls to the bottom. I pull out and throw away the stems and pods and dump out the seeds on a cookie sheet. I separate further on the plate or I use a sieve. If the seed has a lot of chaff, I continue to separate seed by screening with a sieve. Eventually I work my way down from large grocery bags to small jars.
Wet Method of Saving Seeds
For this method the fruit has to be very ripe. For pumpkins, squash, and melon, simply remove the seeds and rinse the stringy fruit parts off with water, straining with a colander. For eggplant, cut into cubes and cover with water for a day, stirring once. Squish the seeds out and clean off with water in a colander. If there are remaining seeds, repeat the process the next day to get the rest out. Put clean seeds on a cookie sheet and let dry.
Pumpkin seeds can be saved or eaten
For cucumbers, scoop seeds out and put in a jar. Add water and stir every day for 2 days. Strain to remove seeds and let dry on a cookie sheet.
For tomatoes, squeeze or cut up the flesh and put into a jar. Add enough water to be able to stir the mixture and to create volume for the pulp to separate from the seeds. I keep my jars in the kitchen out of direct light and stir daily for a few days. The tomatoes will ferment and will look gross but this process separates the seeds.
After a few days, the heavy seeds will sink to the bottom and the lighter seeds and pulp will float to the top. Skim off and throw away the top layer. Keep the heavy seeds, they are the ones that are viable. Keep adding water, swishing until the good drops down and the bad surfaces, and skim again. Keep doing this until the water is clear with good seeds at the bottom. Pour the mixture into a sieve and put the seeds on a plate or cookie sheet in a dry area, out of direct light. Every few hours, stir around until dry. You want them to dry quickly at this point in time because the moisture left on them may induce them to germinate. Once they seem dry, let them sit for several weeks until completely dry and then store in a glass jar.
Open Pollinated versus Heirloom Plants
When saving seeds, it is important to know if your plant is open-pollinated or a hybrid. If they are open pollinated, then the next generation will be the same. You will get the same plant with the same characteristics such as flower color or flavor. Heirlooms are open pollinated so you can save seeds of heirloom tomatoes and grow the same tomatoes each year.
If the plant is a hybrid, it was produced by crossing two genetically distinct parents. The hybrid was bred to have desirable characteristics such as disease resistance or better flavor. In seed catalogs, hybrids are often referred to as “F1”s – filial 1 hybrid. If you save the seed of this plant, the next generation may not retain the same desirable characteristics. You will get the same type of plant, but the plant may not be as tasty or not be resistant to a disease.
Try these simple methods to save seed for your own home garden or to give as gifts. Consider saving seeds for seed swaps with friends or local seed swap events.
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In August 2017, I visited the Atlanta Botanical Garden. It was beautiful and I took many photos. As always the plants that stayed with me were the ones I had not seen before. I remember vines with beautiful pea-like flowers, about 2 inches wide, wrapped around dead trees, which were painted (“art”). The flowers were blue/purple with a yellow inner strip and the green leaves reminded me of Kentucky coffee trees. Obviously it was a tropical vine in the legume family (Fabaceae) but I could not find a sign. Later when I got home, I stumbled across the same plant on Facebook only with cobalt blue flowers. Its name, I learned, was butterfly pea (Clitoria ternatea).
