Blooming This Week in the Troughs

dwarf iris

erigeron leiomerus

gentiana verna

gypsophilia cerastioides and arabis blepharophylla

gypsophilia cerastoides again

Lewisia and semps

potentilla porphyranta

a closer look at the potentilla flowers

primula frondosa blooming for at least six weeks now.

Saxifrage 

Silene caroliniana

Haberlea sp. Case, a gesneriad, and a plant that's new to me this spring.  I'm trying it raised in a trough, north-facing but with morning light.  I was warned that it would take a few years to get big enough to bloom.  Fingers crossed.