Japanese name: ロシアンセージ Scientific name:Perovskia atriplicifolia
[Overview]
A perennial or subshrub 0.5–1.2 m tall.
The whole plant is grayish green and has a sage-like fragrance.
The stem is square in cross section.
The leaves are opposite, ovate to lanceolate, 3–5 cm long and 0.4–2 cm wide, and often deeply cut.
The leaf margins are wavy or toothed.
A panicle about 30 cm long at the stem tip bears many bluish purple lipped flowers about 1 cm long.
The fruit is a schizocarp.
[Cultivation]
Propagate from seed or by stem cuttings.
It prefers a sunny, well-drained site.
It tolerates dryness and dislikes excess moisture, so rainfall is sufficient.
Fertilizer is not particularly necessary.
There are no particular pests or diseases.
