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Plant Selector Guide
Ageratum houstonianum (Floss Flower)

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Plant Type: Annual
Uses: Cutting Bed, Edging, Border
Propagation: Seeds, Stem cuttings
Habit: Compact, Mound
Light: Full Sun, Part Shade
Flower Color: Various
Blooms: Spring, Summer, Autumn
Width: .5 - .75 ft.
Height: .5 - 1 ft.
Fertility: Rich
Soil: Neutral, Well-drained
Zone: 1 - 11

Half-Hardy Annual. Fluffy flower clusters bloom all summer on these compact plants. Don't cover your seeds; they need light to germinate. Floss Flower is an effective selection for your border or as an edging. The soft blue flowers are an excellent accent for other flowering border plants or foliage plants. They will benefit from a monthly fertilizing. Deadhead faded blooms to encourage new flowering. Start seeds indoors at 70-75 degrees F and set out your transplants after all danger of frost. May be grown in partial shade; this is recommended for hot climates. 'Blue Blazer' and 'Blue Mink' are two tried and true varieties.