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Dense colourful fast growing edible evergreen hedge with bright, shiny, very prickly holly-like, dark green leaves. New foliage tinged red turning green with age. Clothed in masses of rich orange flowers May to June, followed by edible blue barberries which are excellent in jams and preserves. Occasional flowers in autumn in mild weather. Shade tolerant.  HEDGE Trim after flowering. For hedges 4-7ft (1.2-2.1m). Plant 1.5-2ft (45-60cm) apart.  SHRUB 8ft x 10ft (2.4m x 3m).

Berbers darwinii is a lovely evergreen shrub with orange flowers in spring. It is fast growing and spikes so a good boundary hedge.

Griselinia littoralis. A fast growing large evergreen shrub with light green, broadly oval leaves. Flowers  yellow-green very small. Grow in well drained soil in full sun.

A fast growing large evergreen shrub with light green, broadly oval leaves. Flowers yellow-green very small. Grow in well drained soil in full sun.

Elaeagnus ebbingei - large, dense, rounded evergreen shrub with broad, leathery, dark or metallic sea-green leaves, silvery scaly beneath, and small, fragrant white flowers in autumn.  Grow in well-drained soil in full sun or partial shade. Prune for maintenance/appearance only, ideally in the spring.

RHS Plant Selector Elaeagnus × ebbingei AGM / RHS Gardening evergreen edible apparently grows quite tall

Elaeagnus × ebbingei 'Gilt Edge'. Silvery backed leaves. 3 m x 3 m. Evergreen. Broadly ovate dark green leaves margined with yellow.

Find help & information on Elaeagnus × ebbingei 'Gilt Edge' oleaster 'Gilt Edge' from the RHS

Escallonia hedges

Escallonia hedge would be an alternative to the ceanothus, I would do one ceanothus and a less scruffy plant like this escallonia, or even pyracanthas as the small hedge at right of the driveway

Olearia traversii, Tree daisy. Hardy, evergreen, fast-growing windbreak hedging.

Olearia traversii, Tree daisy. Hardy, evergreen, fast-growing windbreak hedging.