USDA: 8a - 11 RHS: H - FT EGF: H4 - G2 Australia: 2 - 5
Care Level
medium
Height
30 - 75 cm (1 - 2.5 ft)
Spread
15 - 45 cm (6 - 18 in)
Light
full sun to partial shade
Soil Moisture
average, well-drained
Soil Type
loam
Soil pH
acidic to neutral
Description
The annual Ageratum houstonianum 'Blue Horizon' (floss flower) bears showy and faded violet flowers during early summer to early fall. The foliage is greyish lime in colour.
Typical Uses
Annual, bedding plant, border, container and cut flowers.
Special Characteristics
This annual attracts butterflies to your garden. Ageratum houstonianum 'Blue Horizon' is noted for being naturally resistant to pests.
Cautions
When planning to use Ageratum houstonianum 'Blue Horizon' (floss flower), it is important to note that it is poisonous or toxic to children and pets. This plant is self-sowing, and without intervention may spread broadly and randomly.