How to Fertilize oriental poppy 'Raspberry Queen'?
Low nitrogen bloom fertilizer every three weeks pre-bud growth stage

oriental poppy 'Raspberry Queen' · Papaver 'Raspberry Queen'
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)
Low nitrogen bloom fertilizer every three weeks pre-bud growth stage