Mint, Peppermint, Mentha piperita.

Verbena, Brazilian verbena, Verbena bonariensis.

Japanese Maple, Acer palmatum 'Sango Kaku'.

Hellebore, Helleborus.

Allium, Allium Hollandicum 'Purple sensation'.

Allium, Allium cristophii.

Daylily, Hemerocallis 'Cynthia May'.

Lavender, Lavandula augustifolia 'Holgate'.

Bamboo, Phyllostachys viva x 'Aurecaulis'.

Wallflower, Perennial wallflower, Erysimum 'Bowles Mauve'.

Dahlia, Dahlia 'David Howard'.

Nectaroscordum, Nectaroscordum siculum bulgaricum.