Native to Central America and Mexico, Ageratums do well in warmer climates and are easy to care for and maintain (although four species of Ageratum are native to the United States). Depending on the strain, this plant can grow up to three feet high. Benefits from deadheading. Great for beginning gardeners. May produce tiny dried fruits, but it is mostly known for it's fluffy flowers that come in lavander-blue, pink, lilac, or white.
Best for overall garden quality. Blue Danube Ageratum holds its rich blue color and sheds its own blossoms (self-cleaning), eliminating the need for deadheading and creating a uniform cluster of pastel blue and purple blossoms.
Up to 12 weeks. The extremely productive, good-quality plants are early and compact with fluffy blue flowers. Great choice for edging, landscapes and containers.
Grows up to 30 inches with strong, sturdy stems and numerous branches, resulting in big clumps of bright blossoms. Large blue flowers can be cut continuously, resulting in a spread of 6 to 18 inches.