Salvia nemorosa 'Crystal Blue' (Color Spires® Crystal Blue Perennial Salvia)
Botanical Information
| Family | Lamiaceae |
| Genus | Salvia |
| Species | nemorosa |
| Cultivar | 'Crystal Blue' |
| Registered Name | Color Spires® |
| Patent Number | USPPAF, Can PBRAF |
| Category | Perennials |
| Origin | Bred by Jerry VanderKolk, introduced by Walters Gardens, Inc. and Proven Winners® in 2014. |
Details
| USDA Hardiness Zone | 3 - 8 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 1 - 8 |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H7 - H4 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -40 - (-7) |
| Temperature (°F) | -40 - 20 |
| Height | 55 cm |
| Spread | 60 cm |
| Flowering Period | May, June |
Description and Growing Information
| General Description | A perennial salvia with light sky blue flowers and a clump of aromatic grey-green foliage. |
| Shape | A clump forming habit. |
| Landscape | Wonderful for borders, cut flower gardens or in mass plantings. |
| Cultivation | Grow in full sun in an average soil, remarkably deer resistant, drought tolerant and low maintenance. |
| Habitat | Horticultural origin. |
| Leaf Description | Leaves are grey-green and aromatic. |
| Flower Description | Light sky blue flowers that are attractive to bees, butterflies and hummingbirds. |