How to Fertilize Nerium oleander [White-flowered]?
Balanced perennial feed every four weeks from spring through summer
Nerium oleander [White-flowered] · Nerium oleander [White-flowered]
Outdoors, grow in fertile, moist but well-drained soil in full sun. Where winters are not reliably mild, grow under glass in loam-based potting compost in full light; ventilate well. During growth, water moderately and apply a balanced liquid feed monthly. Water sparingly in winter
Balanced perennial feed every four weeks from spring through summer