How to Fertilize swamp peppermint?
Balanced perennial feed every four weeks from spring through summer

swamp peppermint · Eucalyptus rodwayi
Grows best in full sun and a mildly acidic, neutral, or mildly alkaline soil that is moist but well-drained; but can also tolerate wetter soils better than many eucalypts. Able to withstand cold temperatures when mature, but shelter from cold, drying winds especially when young. See eucalyptus cultivation
Balanced perennial feed every four weeks from spring through summer