Perovskia ‘Blue Spire’

Perovskia ‘Blue Spire’ (also known as "Russian sage") is an ornamental perennial highly prized for its blue-purple flowers and silvery-scented foliage. In recent botanical classifications it is classified as Salvia yangii, but in horticulture it is still commonly sold as Perovskia atriplicifolia 'Blue Spire'.

Features

• Height: about 1–1.5 m.
• Width: 0.5–1 m.
• Flowers: blue-violet, arranged in airy panicles.
• Flowering period: from July to September-October.
• Leaves: grey-green, finely divided and aromatic.

Cultivation requirements

• Prefer full sun (minimum 6–8 hours per day).
• He needs well-drained soil; tolerates drought very well once established.
• It does not like heavy and excessively wet soils.
• It is very resistant to cold and difficult conditions.

Care

• Severe pruning is recommended in early spring, about 10–20 cm from the ground, to encourage vigorous growth and abundant flowering.
• It requires little fertilization and little watering after rooting.

Advantages in the garden

• Attracts bees and other pollinators.
• It is drought resistant and low maintenance.
• It combines very well with ornamental grasses, roses and plants with yellow or pink flowers.

For the conditions in Moldova, Blue Spire it is an excellent choice for sunny and dry areas, being very well adapted to hot summers and cold winters.