On a visit to the Gamble Garden in Palo Alto yesterday, two striking plants (among the classic garden flowers of high to late summer): Catananche caerulea (with violet-blue flowers) and Angelica stricta ‘Purpurea’ (with deep purple flowers). Not on display: the familiar garden angelica plant (A. archangelica, with white flowers). Violet-blue. (#1) (I so wanted the … Continue reading Violet-blue, white, and deep purple