Merle O'Broham said:

Happy spring all.

These blue/violet flowers cover many Chicago lawns in early spring.
Some lawns are covered in them to make it look like a luscious violet
carpet. Within a few weeks they're gone. Nobody on the block knows what
they're called.

Most likely, Scillla siberica (Siberian squill).

--
Pat K. ('someplace.net' is comcast)

Any technology distinguishable from magic is insufficiently advanced.
(attributed to Don Marti)