This is the true plant from wild collected seed not P.russeliana. Hooded spires of grey-purple (aka chocolate-brown) flowers Jun-Aug, greyish foliage, 1m.

Genus: PHLOMIS
Variety: SAMIA
Cultivar:
Plant family: Lamiaceae
Hardiness zone: H7 (below -20C)
Height: 51-100cm.

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Other data

Foilage colour
Foliage season
Flower colour
Flowering season
Soil moisture
Shadiness
Hardiness

Plant ID 3963