Small purple flowers are followed by bright orange-red berries with a mildly sweet flavor. Goji is a vigorous, drought-tolerant shrub that produces nutritious fruit over a long harvest period. - Elderberries do well in our area. Elderberries produce more fruit when 2 or more varieties are used to cross-pollinate each other. They prefer fertile, moist, well-drained soil. Elderberries grow tall, and can be pruned to the ground to regrow or left as a bush. They can produce fruit either way.