Verbena, Brazilian verbena, Verbena bonariensis.

Russian sage, Perovskia 'Blue Spire'.

Globe Thistle, Echinops.

Sweetpea, Lathyrus odoratus.

Thyme, Thymus.

Lavender, Lavandula 'Hidcote'.

Lavender, Lavandula.

Scabious, Scabiosa.

Violet, Sweet violet, Viola odorata.

Allium, Allium 'Globemaster'.

Sea Holly, Eryngium tripartitum.

Lavender, Lavandula.