There are many interpretations of part shade. As a guide, part shade can refer to those areas that are shaded for 4-6 hours per day. Morning sun or dappled light obstructed by trees are examples. Full shaded areas receive no direct sun. North sides of buildings or areas under fully leafed out trees would be examples.
Yellow Fumitory - Corydalis lutea
Height: 12-18 inches.
Width: 12-18 inches.
Bloom: yellow, May-Sept.
Notes: Lacy foliage, long season of bloom, will reseed. Best in part shade.
Toad Lily - Tricyrtis hirta
Height: 18-24 inches.
Width: 18-24 Inches.
Bloom: White, Bi-color, Pink, Aug- Oct.
Cultivars: 'Gilt Edge', 'Dark Beauty', 'Tojen', 'Miyazaki'.
Notes: Good late season blooming perennial with orchid-like flowers. Best in part to full shade.
Lungwort - Pulmonaria saccharata
Height: 12-18 inches.
Width: 18-24 inches.
Bloom: Pink, Blue, Apr-June.
Cultivars: 'Trevi Fountain', 'Raspberry Splash'.
Notes: Attractive spotted foliage, good early bloom, flowers change colors as they age. Best in part shade.
Saxifraga - Bergania cordifolia
Height: 12-18 inches.
Width: 12-18 inches.
Bloom: Pink, Apr-May.
Cultivars: 'Magic Giant'.
Notes: Glossy, semi-evergreen foliage, early flowering. Best in part shade.
Siberian Forget-me-Not - Brunnera macrophylla
Height: 12-18 inches.
Width: 12-18 inches.
Bloom: Blue, May-June.
Cultivars: 'Jack Frost', 'Variegata'.
Notes: Attractive heart-shaped foliage, clusters of tiny blue flowers. Best in part to full shade.
False Spirea - Astilbe sp.
Height: 12-36 inches.
Width: 18-24 inches.
Bloom: Pink, White, Red, Lavender, June-July.
Cultivars: 'Fanal', 'Red Sentinel', 'Visions', 'Rhineland'.
Notes: Large plume-like flowers, lacy foliage, heavy feeder, prefers moist soil. Best in part to full shade.
Fern-Leaf Bleeding Heart - Dicentra eximia
Height: 12-18 inches.
Width: 12-18 inches.
Bloom: Pink, May-Aug.
Cultivars: 'Luxuriant', 'King of Hearts'.
Notes: Long season of attractive flowers, fine textured foliage. Best in part shade.
Lady' Mantle - Alchemilla mollis
Height: 12-18 inches.
Width: 18-24 inches.
Bloom: Chartreuse, June.
Notes: Old, reliable perennial with felt-like foliage. Best in part shade.
Jacob's Ladder - Polemonium reptans
Height: 12-24 inches.
Width: 12-18 inches.
Bloom: Blue, White, May-June.
Cultivars: 'Heaven Scent', 'Stairway to Heaven'.
Notes: Attractive foliage, scented flowers. Best in part shade .
Solomon's Seal - Polygonatum sp.
Height: 2-3 feet.
Width: 18-24 inches.
Bloom: White, May-Jun.
Cultivars: 'Variegatum'.
Notes: Graceful, arching foliage, flowers followed by berries, good naturalizer. Best in part to full shade.
Japanese Anemone - Anemone sp.
Height: 2-3 feet.
Width: 2-3 feet.
Bloom: White, Pink, Aug-Oct.
Cultivars: 'Honorine Jobert', 'September Charm'.
Notes: Good late season bloomer, will spread. Best in part shade.
Blue-Eyed Grass - Sisyrinchium striatum
Height: 6-12 inches.
Width: 12-18 inches.
Bloom: Blue, May-June.
Cultivars: 'Lucerne'.
Notes: Star-like flowers on top of grass-like foliage. Good accent plant. Best in part shade.
Foamflower - Tiarella cordifolia
Height: 6-12 inches.
Width: 12-18 inches.
Bloom: Pink, White, May.
Cultivars: 'Iron Butterfly', 'Pink Skyrocket', 'Sugar and Spice'.
Notes: Attractive foliage, some with good fall color. Best in part to full shade.
Japanese Painted Fern - Athyrium niponicum 'Pictum'
Height: 12-18 inches.
Width: 12-18 inches.
Bloom: none.
Notes: Attractive multi-colored foliage. Best in part to full shade.
Christmas Fern - Polystichum acrostichoides
Height: 18-24 inches.
Width: 18-24 inches.
Bloom: none.
Notes: Semi-evergreen, leathery foliage. Best in part to full shade.