Painted daisy has gone through something of an identity crisis.

Annual pinks are a good selection for container gardens and window boxes.

Sea hollies slightly resemble globe thistles.

A first-class ground cover, mondo grass looks like a lush grass.

Many monkshoods look similar to delphiniums.

Mulleins, like the related foxglove, bear spikes of colorful flowers.

The obedient plant is an easy-care native perennial that's perfect for informal or naturalized gardens.

Omphalodes is related to lungworts and forget-me-nots.

Masterworts are wonderful, underused shade plants.

Meadow rue, related to columbine and delphinium, has sprays of summertime flowers.