FLOWERING SHRUB. Attractive evergreen shrubs with fragrant whiteand succeeding on practically any soil. Most species are easily increased by in July rooted in sandy in a cold frame. Half-ripe shoots about 3 in. long are best. delavayi blooms in May, reaching 6 ft., and often as much through. It is often a slow starter and prefers a sheltered against a warm wall, but is otherwise quite easy.