Perovskia 'Blue Spire'

Salvia yangii 'Blue Spire' is a deciduous sub-shrub with aromatic, grey-green foliage and spikes of violet-blue flowers from mid-summer to autumn, excellent for sunny borders.

Sun: Full sun.

Soil: Well-drained.

Hardiness: H5 — down to −15°C.

Flowering: Aug, Sep, Oct.