If there is one Hylotelephium that most Pacific Northwest gardeners have seen — in someone's front border, at a nursery, buzzing with pollinators in September — it's probably Hylotelephium spectabile 'Brilliant'. Bold, upright stems 15 to 18 inches tall, large blue-gray leaves, and dense flat-topped flower clusters of vivid rosy-pink that arrive in late summer and keep going through fall. On a warm September afternoon a patch in full bloom is a buzzing, fluttering spectacle. The dried heads hold through winter. It is, by any measure, brilliant.
Hardy to Zone 4 and unfussy about conditions as long as drainage is adequate, 'Brilliant' earns its place in PNW gardens as a reliable late-season workhorse. It's one of the few plants that makes the garden genuinely exciting in August and September, when a lot of perennial borders are past their peak. Full sun, lean to average soil, decent drainage — meet those requirements and it handles everything from west-side maritime dampness to east-side summer heat with equal calm. Cut it back in early spring if the previous year's growth looks ragged; otherwise, it takes care of itself entirely. A true classic that has earned its reputation across decades.
4
9
Full Sun (6+ hours)
Slightly Dry
Perennial
Pink
Deciduous
Clumping
Ornamental