How to Fertilize Papaver 'Watermelon'?
Balanced perennial feed every four weeks from spring through summer

Papaver 'Watermelon' · Papaver 'Watermelon'
Will thrive in most soils, as long as there is good drainage, but a moderately fertile, humus-rich soil that is not too acidic is ideal. Position in full sun and provide support, as stems can flop after heavy rain (see staking perennials)
Balanced perennial feed every four weeks from spring through summer