How to Fertilize moso bamboo?
Bamboo slow release feed monthly spring through early autumn

moso bamboo · Phyllostachys edulis
Grow in fertile, humus-rich, moist but well-drained soil, in full sun or partial shade. Protect from cold drying winds. In a container grow in a loam-based potting compost and feed with a balanced liquid fertiliser monthly during the growing season. May remain clump-forming in poor or dry soils but has the potential to become a nuisance in warm, moist or favourable conditions; see bamboo control and bamboo cultivation
Bamboo slow release feed monthly spring through early autumn