May
Clematis columbiana v. tenuiloba
Graceful vine native to interior western states
Delphinium trollifolium
Colorful PNW native that thrives in rock gardens and woodland edges
Thalictrum orientale
Diminutive perennial with numerous flowers Likes sun and good drainage
Dryas octopetala 'Minor'
Tiny, glossy leaves and small flowers that create beautiful carpets in rocky, sunny sites
