Please nominate a perennial that blooms all season or most of it. Please make this from personal experience which would include observation of friends/neighbors/area plants.

Excluded from consideration:

All trees

All shrubs

All roses

All tropicals unless rated hardy to Zone 7

All salvias (sages)

All cupheas (those roly-poly little bat faced girls)

All echinaceas (coneflowers)

All monardas (bee balms)

All hemerocallis (daylilies)

I can't wait to see the nominees!