Thank you, Marcia Winchester, for identifying the plant I posted on April 17!
"Hyacinthoides hispanica or Spanish Bluebells. It is an old fashion bulb that loves to multiply. It likes moisture in spring (not standing water). It has also been called Scilla campanulata."
I have already e-mailed my daughter to ask her to let me know when they start turning brown, so I can go and dig some up. If for no other reasons (and I think there are many!), the color alone will complement lots of other plants in my garden perfectly.