Deciduous, Evergreen, Shrubs, Trees
Ferny-leafed plants grown for branch-end clusters of colorful blossoms featuring (except in the case of C. platyloba) protruding stamens. Plants grow quickly and easily in hot, sunny locations if given light, well-drained soil and infrequent, deep watering. Prune before first flush of spring growth to remove any dead or damaged wood and wayward branches; remove lower limbs for treelike shape in shrubby species. Blooms attract hummingbirds.
Evergreen to deciduous South American shrub or tree; drops leaves in cold winters. Zones 8–16, 18–24; occasionally seen in Zones 6, 7. Tough, fast growing to 10 ft. tall and 8 ft. wide, with finely cut foliage and an open, angular branch structure. Yellow summer flowers have bright red stamens.
White flowers. Terminal growth is sometimes distorted by fasciation (growths resembling cockscombs).
Native to Central Europe and Asia Minor. Grows to 3 ft. tall and spreads by underground stems of 2 ft....
These resemble forget-me-nots (Myosotis) but typically have deeper blue, somewhat larger (1/2...