Isotoma fluviatilis (Blue Star Creeper) blue-foliage which says it all

which says it all

Japanese Beech Fern and Brunnera 'Silver Heart'

No matter that the yellow flowers in May are lost in the bright foliage

This early and long blooming Coreopsis provides double the golden yellow semi-double flowers than 'Early Sunrise'

Isotoma fluviatilis (Blue Star Creeper) blue-foliage which says it allAdorable sky blue star shaped flowers bloom from late spring through summer. The medium green rounded leaves form a dense 2 3" mat and will creep between stepping stones or along a garden path. Tolerant of heavy foot traffic and a variety of moisture levels and soil types, it is ideal for use as a small area lawn replacement or planted around spring bulbs. Sunlight Requirements: Full Sun to Partial Shade USDA Hardiness Zones: 5 9