How to Propagate Prostanthera 'Mint-Ice'?
Propagate by seed or semi-hardwood cuttings

Prostanthera 'Mint-Ice' · Prostanthera 'Mint-Ice'
Grow under glass in a loam-based compost in full light. Grow outdoors only in a frost-free environment with moist but well-drained soil in full sun. Prune after flowering; hard pruning may be detrimental
Propagate by seed or semi-hardwood cuttings