Slugs provide food for snakes and toads. It seems like poetic justice that they get munched up as they feast on so many of our flowering plants...
Liriope muscari has grassy foliage and spikes of blue or white flowers in the heat of late summer. It is especially accommodating as an edging or groundcover and there are some varieties with handsome variegated leaves (eg ‘Silvery Sunproof” ).
All had deep tap roots, or matted root systems that allowed them to survive drought, fire, wind and trampling.
Now is the time to think about possible additions to the shrubs in your personal landscape.