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botanical name:
Perovskia 'Blue Spire'
Perovskia 'Blue Spire' © Deeproot Plant Base
common name:  Russian sage
synonyms:  Perovskia atriplicifolia 'Blue Spire'
family:  Lamiaceae
characteristics: perennial, scented/aromatic
height: 1.20m
width: 1.00m
growth rate: medium
growth habit: erect
leaf colour: blue-grey
flower colour: violet
stem/bark: grey
main season: Summer
aspect: full sun
conditions: dry soil, moist soil, sandy soil, coastal
preferred soil pH: any
minimum temp: 0°C
USDA zone: 6 to 8
description:
Subshrub with upright grey-white stems of deeply divided silvery blue-grey leaves. Spikes of small electric violet-blue flowers are abundantly borne in late summer and early autumn.

cultivation:
Thrives in hot, dry positions and poor soil. Tolerates chalky soils and coastal conditions.

Cut back in early spring to encourge new growth.

usage:
Good plant for dry sunny gardens and also very effective for some landscaping applications, tolerating difficult conditions such as drought and salt, as found near roadsides etc.

other notes:
RHS AGM

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