This plant can grow up to 8' or 9', but I trim some of them down to 2' in early June so they will make 3'×3' domes and bloom later. ...Read MoreBecause they have winged stems, they only flop over after heavy rains. Unlike most white flowers that's petals turn dingy after blooming and true Asters that yellow centers turn dull brown after being pollinated , Decurrent False Aster's petals fall off and the center stays a yellow ball. Does fine in ground that floods.
This plant's range is centered along the Illinois River. It probably used to be more widespread into wet fertile clay prairies that have since been turned to corn fields and suburban neighborhoods, but now is mainly found in low floodplains. One of the reasons that it is Federally Threatened is because the seeds are very small, flat, and need to be hit by sunlight to germinate; so with all the soil erosion occurring from Illinois farm fields, the tiny seeds are smothered with silt.
Grew from seed in northeast England, has done well in heavy clay soil. Rapidly makes clumps, have divided these. Surprised that it is end...Read Moreangered given how easy was to germinate, grow on and propagate.
This plant can grow up to 8' or 9', but I trim some of them down to 2' in early June so they will make 3'×3' domes and bloom later. ...Read More
Grew from seed in northeast England, has done well in heavy clay soil. Rapidly makes clumps, have divided these. Surprised that it is end...Read More
Found only in Illinois and Missouri, this plant is listed as threatened on both state and federal levels