Elaeagnus umbellata - Autumn Olive, Japanese Silverberry Autumn olive. A large, spreading, vigorous shrub to 10m high; nitrogen-fixing and benefiting other nearby plants. Bears pale red, juicy, sweet-acid edible fruits in autumn; the seeds are also edible. Fruits are borne at about 6 years of age. Useful in hedges, as a dune stabiliser and as a nurse plant. Growth 2.5m in 10 years; hardy to -35°C.