Purple Emperor' coneflower (Echinacea 'Purple Emperor ... petals are bred into the cultivar by patching out nectar and seeds. In other words, avoid growing 'Meringue' if you're interested ...

Keep your seedlings moist and near a south-facing window to access sufficient sunlight. Provide purple coneflowers with at least 1 inch of water per week during the growing season. Watering every ...