How to Prune Erysimum 'Cotswold Gem'?
Trim after flowering to prevent plants becoming leggy
Erysimum 'Cotswold Gem' · Erysimum 'Cotswold Gem'
Grow in a sunny position in poor to moderately fertile, well-drained, neutral to alkaline soil. Usually grown as a biennial, plant out at the end of summer for flowers the following year
Trim after flowering to prevent plants becoming leggy