How to Fertilize Brompton stock?
Light diluted stock flower feed biweekly spring before summer bloom

Brompton stock · Matthiola incana
Also known as: cluster-leaved stock; common stock; hoary stock; hopes; queen's stock; wallflower stock; gilliflower
Grow in a sunny, sheltered bed where the soil is well-drained and neutral to slightly alkaline
Light diluted stock flower feed biweekly spring before summer bloom