Agertum’s easy-going nature and unique blooms make it an excellent addition to cut flower gardens, flower boxes, and planters. If you want to grow it at home, join flower farmer Briana Yablonski to learn planting and care tips.If you’re looking for a flower that serves a supporting role in the garden and floral studio, ageratum is one of your best choices. These easy-to-care-for annuals produce clusters of blooms topped with tufts of silk-like ray flowers that give a unique and soft look.
While they won’t steal the spotlight in the garden, they add a soft texture and subtle pop of color. Most of the flowers are blue, but you can also find varieties in shades of pink, purple, and white.
The plants continue to pump out new blooms for multiple months, providing long-lasting color. Plus, the blooms hold up well when cut and attract pollinators of all kinds.Ageratum goes by several names, including floss flower, blue mist flower, and bluemink. It’s an annual plant that’s native to Central America but widely grown throughout the world as an ornamental. In some locations, it’s escaped cultivation and become a nuisance plant.
You can find multiple varieties of Ageratum houstonianum that vary in height and flower color. Some of these cultivars work well as short bedding plants, and others produce long stems that make them suitable options for filler flowers in arrangements.Ageratum is a flowering annual that grows best in summer. It has a mounding growth habit with densely packed, branching stems covered with slightly fuzzy, ovate leaves. Some varieties rarely grow more than six inches tall, while others send out two-foot-long stems.
Clusters of small, round flowers appear on the top of the stems. Blue is the most common flower color, but you can also find varieties with white, purple, or pink blooms. All of the flowers have elongated ray florets that look like tufts of silky floss.
Some people confuse ageratum with blue mistflower (Conoclinium coelestinum). While both of these plants produce similar flowers, the latter is a cold-tolerant perennial that’s native to the eastern half of the United States.