That is a nice clump -- is it totally that limey-green color in the spring? Meaning no margin...
Also is looks like a smal clump -- how big?
How big is the leaf -- and any vein count always helps!!
Looks like lavendar blooms.
"Remember this: Whoever sows sparingly will also reap sparingly, and whoever sows generously will also reap generously."
2 Corinthians 9:6