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Common Name: Blue Mistflower, Hardy Ageratum, Wild Ageratum, Blue Boneset
Scientific Name:Conoclinium coelestinum, Eupatorium coelestinum
Blue mistflower, also known as floss flower and Ageratum, is an herbaceous perennial that flourishes in the heat and sun. Leaves are opposite, with a triangular shape, with the leaf margins bluntly toothed. The branches support short-stemmed clusters of flowers that form almost a flat top. The disc flowers, about ¼ inch in length, are often bright blue or violet. Highly attractive to pollinators, this native wildflower can spread quickly in the right environment.
Native Region: Zones 5-10
Benefits: Attracts pollinators, landscaping
Life Cycle: Perennial
Growth Type: Herbaceous perennial
Bloom Period: June to frost
History: Used in traditional medicine
Propagation: Easily grown from seed after providing 2-3 months of cold stratification (plant in the fall), softwood cuttings can be taken in late spring
Light: Part shade, can grow in full sun if given adequate moisture
Water: Consistent moisture with good drainage
Soil: Prefers rich soil that does not dry out; moist loam, sand, or clay
Size: up to 3’ feet tall (often shorter) and usually 1’ foot wide
Ecosystem: Suitable for use in the landscape as a border plant or a colonizing groundcover.
