Perovskia are hardy perennial sub-shrubs that reach a height of 90 cm to 1.2 metres.
Perovskia carries attractive toothed leaves of grayish green or silver.
They bloom towards the end of summer and carry spike like flowers of azure, blue or purple.
Some common names for Perovskia include Russian Sage and Azure Sage.
Perovskia by Wallygrom.
It is best to grow Russian sage from cuttings or from plants bought at a garden center. If growing from cuttings, take the cuttings in spring or early summer and plant them in pots under glass. Allow to grow in the pots until the autumn then plant the young Russian Sage plants about 60 to 90 cm apart into a well drained sunny part of the garden.
Russian Sage and other Perovskia plants that are purchased from a nursery or garden center can be planted in autumn or spring. Once established the Perovskia plants should be cut back to ground level at the beginning of spring.
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