Wallflower
Wallflower: Sowing, planting and harvest calendar
Wallflowers and stocks are ornamental plants in the brassica family, especially the genera Erysimum and Matthiola. Wallflowers, ten-week stocks and their garden selections do not all have the same life cycle. Depending on type, they are annuals, grown as biennials or perennials with woody bases. Their shared feature is flowering in racemes, often fragrant, above simple leaves. The particular garden type determines their shape and season.Single flowers have four petals arranged in a cross, a familiar feature of the brassica family. They open successively on lengthening racemes. Double selections carry more floral parts and produce a fuller effect. Yellow, orange, red, coppery brown, white, pink and violet occur across this horticultural group, distributed differently among species and varieties. The exact colour helps distinguish a selection, together with flower fullness and the outline of its flowering stems.Erysimum usually has narrow leaves, and branching stems may form a small bush. Common wallflower,…
