How to Fertilize Erysimum 'Jacob's Jacket'?
Weak wallflower liquid feed every two weeks spring growth

Erysimum 'Jacob's Jacket' · Erysimum 'Jacob's Jacket'
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
Weak wallflower liquid feed every two weeks spring growth