The Martha’s Vineyard Community Seed Library hosts a seed swap and germination testing workshop on Saturday, Jan. 31, from 1 to 3 p.m. at the West Tisbury library. Home gardeners are welcome to bring pen-pollinated/heirloom seed packets or saved seed to share or swap. The workshop will demonstrate how to perform germination testing for seed viability. The event is sponsored by Island Grown Schools, the Farm Institute and the library. The workshop is free. For information, call 508-693-3366 or visit westtisburylibrary.org.