How to Fertilize dark purple-flowered periwinkle?
Weak balanced liquid feed monthly through spring and summer months

dark purple-flowered periwinkle · Vinca minor 'Atropurpurea'
Easy to grow in all but the driest soils. Flowers best in full sun but very useful for shady areas. May have the potential to become a nuisance if not managed well
Weak balanced liquid feed monthly through spring and summer months