Ageratum houstonianum
(sold as Hawaii Blue)
Family: Asteraceae
Common name: FLOSS FLOWER
Native to: Central America, Western Indies
Plant
Type: annual
Forms: clumping, erect
Max height: 1.5 feet
Max width: 1.5 feet
Flower
blue/green, magenta/purple, violet
Leaf
green
Horticulture
Attracts wildlife: adult butterfly, specific butterfly species
Plant features: growth rate fast
Exposure: part shade, sun
Landscape use: cut flower
Fast growing
Propagates by: seed
flowers in fall
flowers in summer
Soil type: well drained
USDA Zone: zone 9 to +20 f
Temp. range: +20 to +30 °F
Water: regular
Butterflies that feed on this plant
