This is probably one of the most robust although slow growing evergreen hedges for coastal gardens.
Eleagnus x ebbingei can grow up to 4 m if not trimmed. The flowers are insignificant but scented and appear in the autumn. The broad leaves are dark green and silvery underneath and the new shoots are also silvery. Elaeagnus are not picky about the soil. Just avoid very wet areas. They thrive in part shade to full sun.
Trim them once a year for a dense hedge that will provide excellent shelter.
It is an excellent plant for coastal planting, tolerating wind and salt.
Usual height 2m - 3m tall, Spread 1.5m