Either scarify the seed on medium grit sandpaper, then sow in fall or very early spring outdoors. Or, scarify and give 30 to 90 days moist refrigeration and sow indoors in a warm environment. ... When planted, the seeds germinate best at the soil surface exposed to light rather than buried.

Sea Buckthorn has an average growth rate and can be expected to achieve 20-40cm per year. It is ideal for hedging of 1-4m.

For a good supply of berries, it needs to be in a sunny situation. You can see more edible hedging choices here. It's very useful in wet sites (it does not like dry soil) and can fix nitrogen in the soil so it's helpful in improving poor soils.

Sea Buckthorn berries grow in plentiful bunches along the branches of the Hippophae rhamnoides plant. ... The small Sea Buckthorn berry has a thin skin and is very fragile. Within the berry are small inedible seeds, from which oil can be extracted. They are edible when fresh but have an acidic flavor.. . . . .364011234001!]0000000000000009783314146848!]