How to Fertilize sea buckthorn?
Balanced perennial feed every four weeks from spring through summer

sea buckthorn · Hippophae rhamnoides
Also known as: sallow thorn; swallow thorn; willow thorn
This plant is listed on Schedule 9 of the UK Wildlife & Countryside Act as an invasive non-native species. Although not banned from sale, it is an offence to plant or cause these to grow in the wild in NORTHERN IRELAND and the REPUBLIC OF IRELAND. Gardeners possessing them should undertake measures to control them. See RHS advice on invasive non-native species for further information
Balanced perennial feed every four weeks from spring through summer