Mistflower

Asteraceae / Aster Blue Mistflower (Conoclinium coelestinum)
Blue Mistflower is also known as Pink Eupatorium, Mistflower and Blue Boneset. Formerly considered to be in the genus Eupatorium (Eupatorium coelestinum).. ...

Mistflower has beautiful sky-blue pink flowers whose color is difficult to reproduce.
Description
Mistflower has a flower color that is almost unique. The flowers of chicory and flossflower (Ageratum houstonianum) come close.

Mistflower (Ageratina riparia) is a very aggressive weed in south-eastern Queensland, and is listed among the top 25 most invasive weed species in this region.

Betony-Leaf Mistflower [English]: Conoclinium betonicifolium
Betony-Leaf Thorough-Wort [English]: Conoclinium betonicifolium
Betony-Leaved Meconopsis [English]: Meconopsis betonicifolia
Betonyleaf Brickellbush [English]: Brickellia betonicifolia ...

Hardy Ageratum (also known as Mistflower or Perennial Mist Flower) is a late Summer flowering species that also goes under the scientific name of Conoclinium coelestinum.

houstonianum, with thick terminal clusters of blue flowers. The similar mistflower, a Eupatorium (see ), is a perennial sometimes called hardy ageratum. Ageratum is classified in the division , class Magnoliopsida, order Asterales, family Asteraceae.

Mistflower Ageratina riparia (Regel) R.M.King (Category 1)
Monterey pine Pinus radiata D.Don (Category 2)
Montpellier broom Cytisus monspessulanus L. (Category 1)
Moon cactus Harrisia martinii (Labour.) Britton (Category 1) ...

See also: Aster, Conoclinium coelestinum, May, Ageratum, Pink