Answer: Yes, it is a seed pod. You might be able to grow another vine from the seeds, but keep in mind most seedlings take an average of eight years before they bloom, sometimes as long as 20 years! (Most wisterias are propagated by tip cuttings in the summer or by grafting as these two methods assure a blooming age plant and consistent flowering.) Collect it when the pod is dry and the seeds rattle inside it. Store at cool room temperature in a paper envelope so it stays dry. According to Michael Dirr's Manual of Woody Landscape Plants the seeds will germinate without pre-treatment but if you have kept it all winter and the seed has become rock hard you might want to soak it in plain water for a few hours just prior to planting, to soften it a bit. You could also plant it outside this fall as soon as harvested, wait and see if it germinates in the spring. Apart from the potential delay in blooming, you may also see some natural seed variation in the quality of the blooms, meaning they may not be identical to or as nice as those on the parent plant. Have fun with your project!
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