Erysimum ‘Bowles Mauve’, commonly known as wallflower, is indispensable for its long flowering season. Pale, mauve flowers appear on erect spikes from March to October. Its attractive lance-shaped, grey-green leaves look good all year round.
Erysimum ‘Bowles Mauve’ is a short-lived perennial and will usually need replacing after 2-3 years.
Should you deadhead wallflowers. Cut off regularly faded flower spikes throughout the growing season to stimulate more flowers.
New buds of Erysimum ‘Bowles Mauve’
Pruning Erysimum ‘Bowles Mauve’ (wallflower). The plant flowers almost all year-round. So may be tricky to prune it. The plant can be pruned back in October. Best to cut off the top growth, but no more than 5cm.
Erysimum ‘Bowles Mauve’ can get leggy after a couple of years. It is not a good idea to cut into old wood. Erysimum ‘Bowles Mauve’ doesn’t respond well to severe pruning. The plant will usually not regrow.
Erysimum ‘Bowles Mauve’ is quite hardy. May suffer foliage damage in cold winters. Protect the plant against frost with a couple of layers of garden fleece or use cloche protection.