Lamium (dead nettles) is a great shade perennial and ground cover that spreads rapidly and does well with little sun.
Shade garden: Love the color combos. Love the astilbes! Must have addition for next spring
10 Beautiful Flowers that are perfect for shade gardens.
Shrubs That Grow Well in Shade More
Shade Garden Plants ~ Astilbes, Hostas, Fuchsias and Creeping Jenny! by roslyn
gardens for shady areas | Shade Loving Flowering Plants for a Woodland Garden or Shady Area
Sweet Woodruff This is a perfect shade loving plant if you have a shady, difficult spot you want to cover. These white flowers will bloom in May and June. They are simple and even smell great too!
10 Plants That Grow Well Under Trees
Shade Plants of Heuchera and Hydrangea More