Salvia 
Flora Frost Salvia x sylvestris Blue Marvel
| Leaf arrangement | crosswise opposite |
| Leaf tip | Blunt/obtuse; Pointed/acute |
| Flower type | Single |
| Leaf margin | Serrate; Erose |
| Flower scent | Unscented |
| Winter hardness | Good (USDA-zone 5, 6) |
| Flower color | Blue-dark violet blue-N089B |
| Leaf, general shape | Elongate |
| Flower diameter | 1 - 10 mm |
| Plant height | 20 - 30 cm |
| Flower length/hight | 1 - 1,5 cm |
| Inflorescence | Spike |
| Flowering month(s) | June; July; August; September |
| Leaf width | 3 - 4 cm |
| Leaf size | 5 - 7,5 cm |
| Inflorescence length | 5 - 10 cm |
| Inflorescence diameter | 2 - 3 cm |
| Leaf, main color | Dark green |
| Leaf colour, pattern | Unicolored |
| Flower color distribution | Unicolored |
Salvia x sylvestris Blue Marvel, also known as Sage, is a stunning perennial plant that boasts beautiful blue-dark violet blue flowers. With its elongated leaves and spike inflorescence, this plant adds a touch of elegance to any garden.
One of the remarkable features of Salvia x sylvestris Blue Marvel is its leaf arrangement, which is crosswise opposite. The leaves have either a blunt/obtuse or pointed/acute tip, giving them a unique shape. The leaf margin is serrate and erose, adding texture to the plant's overall appearance.
Although the flowers of Salvia x sylvestris Blue Marvel do not have a scent, their vibrant blue-dark violet blue color makes up for it. The flowers are single and have a diameter ranging from 1 to 10 mm. The inflorescence, which refers to the cluster of flowers, is a spike that can reach lengths of 5 to 10 cm and has a diameter of 2 to 3 cm.
This Sage variety is known for its winter-hardiness, making it suitable for USDA zones 5 and 6. It can withstand cold temperatures and maintain its beauty throughout the winter months. The plant reaches a height of 20 to 30 cm, making it perfect for creating borders or adding accents to flower beds.
During the flowering months of June, July, August, and September, Salvia x sylvestris Blue Marvel produces delicate blooms that measure 1 to 1.5 cm in length. These flowers add a burst of color to the garden, attracting butterflies and other pollinators.
The leaves of this Sage variety are dark green in color and have a unicolored pattern. They are elongated in shape, with a width of 3 to 4 cm and a size ranging from 5 to 7.5 cm. The combination of the dark green leaves and the vibrant blue-dark violet blue flowers creates a visually striking contrast in the garden.
Salvia x sylvestris Blue Marvel can be a low-maintenance plant that thrives in full sun to partial shade. It prefers well-drained soil and requires regular watering to keep it healthy and vibrant. Pruning the plant after flowering can promote new growth and ensure its longevity.
Whether used as a border plant or as part of a mixed perennial garden, Salvia x sylvestris Blue Marvel is sure to captivate with its stunning blue-dark violet blue flowers and unique leaf characteristics. Its ability to withstand harsh winters adds to its appeal, making it a favorite choice for gardeners looking to add a touch of beauty and elegance to their outdoor space.
Market availability index by month:
| Jan. | Feb. | Mar. | Apr. | May | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. |
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| 1 | 1 | 1 | 3 | 4 | 3 | 1 | 1 | 1 | 1 | 1 | - |