The species great blue lobelia (Lobelia siphilitica) produces spikes of blue flowers in mid- to late summer or early fall on 2- to 3-foot-tall plants. This white-flowered form of this U.S native popped up in my meadow a few years ago. When I sowed seeds I collected from that surprise plant, about 70 percent of them had white flowers; the rest were the regular (still beautiful) blue. I assume these seeds will produce similar results. Full sun to partial shade, with soil that is on the moist side. Perennial; Zones 3 or 4 to 9.
Collected in September 2020. At least 30 extremely small seeds.