Interesting how different plants behave in different parts of the country/world. In my garden, I have not seen a single seedling from S. 'Fireworks' or E. 'Gateway' in the 10+ years I've grown them. I am getting ready to plant S. 'Little Lemon' if the hot weather ever lets up, but I am not overly worried about it spreading invasively by seed.

I have these plants from my organic garden for exchange: Creeping Jenny (a.k.a. Moneywort, Lysimachia nummularia); Lemon Balm; Helianthus multiflorus Flore Pleno (a.k.a. Perennial Sunflower); Aegopodium podagraria 'Variegatum' (a.k.a. Snow on the Mountain/Bishop's Weed/Goutweed); potted white blooming Lysimachia clethroides; Perilla (a.k.a. Beefsteak Leaf, Beefsteak Plant, Chinese Basil, Wild Sesame - when they come up in May); small bleeding hearts; tall pink Phlox; several kinds of tall & medium high fall Asters; Phalaris arundinacea picta (a.k.a. Ribbon Grass, Reed Canary Grass); purple loosestrife; Tradescantia x andersoniana (blue); orange Campsis (Trumpet Vine); burgundy daylilies with yellow centers; self-seeding blue morning glories,..... I am looking for all kinds of aquatic plants, blue or white or lemon yellow perennials or self-seeding annuals. Please see my page for details. I need the aquatic plants ASAP. I am in Brooklyn, near the Brooklyn Museum. Will travel to Manhattan.

There are several very active seed exchange and seed bank groups on Facebook, with instant real time messaging. Some have fun games, like Wednesday Wishes, Trading Tuesday, and Give & Take. Just search for seed vault, seed exchange, seed library, SASE, etc. Once you find and join one group, you'll get recommendations for other groups. I just discovered this seed trading place as well. https://www.globalseednetwork.org/

I know this usually happens in March or April, but wondering if it got re-scheduled?