Blue Mirror Delphinium
Blue Mirror Delphinium
Delphinium grandiflorum 'Blue Mirror'Item #0459 USDA Hardiness Zone: 3 - 7
Tall spires of brilliant violet-blue flowers rise above a tuft of large, deeply cut foliage. Its slightly shorter stature reduces the need for staking. An essential of the perennial border and of cottage gardens. A reliable bloomer for areas with short growing seasons. Bloom often continues through late summer into fall. An herbaceous perennial.
- OverviewLight Needs:Partial to full sunWatering Needs:Water regularly - weekly, or more often in extreme heat or containers.Average Landscape Size:Foliage reaches 12 to 18 in. tall, 18 in wide, with blooms to 24 in. tall.
- DetailBotanical Pronunciation:del-FIN-ee-um gran-dih-FLOR-umPlant type:PerennialDeciduous/evergreen:HerbaceousSunset climate zones:1 - 10, 14 - 24Growth rate:ModerateAverage landscape size:Foliage reaches 12 to 18 in. tall, 18 in wide, with blooms to 24 in. tall.Special features:Easy CareFoliage color:GreenBlooms:Late Spring through SummerFlower color:BlueDesign IdeasDelphinium is an essential of all perennial borders as well as mixed beds. Plant into foundation compositions to add highbrow beauty. Mass to create a stunning focal point or to bring out distant garden art. Add into cottage gardens to provide strong blue shades and gang along white picket fences for charm. May be inserted just about anywhere the soil is rich enough to provide elegance and color in the late spring.Companion PlantsBlanket Flower (Gaillardia); Black-Eyed Susan (Rudbeckia); Coneflower (Echinacea); Phlox (Phlox); Shasta Daisy (Chrysanthemum)
- CareCare InformationThrives in enriched, neutral to alkaline soils; amend soil with lime if needed. Water deeply and regularly during the first growing season to establish an extensive root system. Feed with an all-purpose fertilizer in spring; repeat after first bloom flush. Prune spent blooms to prolong flowering. Cut back to the ground at the end of the season.Light Needs:Partial to full sunWatering Needs:Water regularly - weekly, or more often in extreme heat or containers.
- History & LoreHistory:This popular genus of the Ranunculaceae includes over 300 species of annual and perennial herbs. This speciescame into cultivation in 1578. It is a wildflower of damp meadows found on the Russian steppes as well as China and Mongolia. Plants are adapted to short growing seasons in these climates producing a remarkably fast growing form compared to other hybrids that originated with early French breeding.