Perennial wallflower, Erysimum 'Bowles Mauve', Close view of one flowerhead of pale and darker purple flowers.

Wallflower, Fragrant Star, Erysimum 'Fragrant Star', bright yellow flowers.

Wallflower, Erysimum cheiri.

Wallflower, Erysimum linifolium 'Variegatum'.

Wallflower, Perennial wallflower, Erysimum 'Bowles Mauve'.

Wallflower, Perennial wallflower, Erysimum 'Bowles Mauve'.

Wallflower, Perennial wallflower, Erysimum 'Bowles Mauve'.

Wallflower, Perennial wallflower, Erysimum 'Bowles Mauve'.

Wallflower, Perennial wallflower, Erysimum 'Bowles Mauve'.