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Ageratum houstonianum ‘Blue Mink’ (Floss Flower)

Ageratum 'Blue Mink', Floss Flower 'Blue Mink', Mexican Paintbrush 'Blue Mink'

Floss Flower 'Blue Mink', Ageratum Houstonianum 'Blue Mink', Ageratum Blue Mink, Blue flowers, Blue annuals

Noted for its long blooming season, Ageratum houstonianum ‘Blue Mink’ (Floss Flower) is a compact, clump-forming, half-hardy annual boasting fluffy powder-blue flowers from late spring to frost. Attractive to butterflies, the blossoms are borne on sturdy stems and float above the foliage of mid-green ovate leaves. Because of its short stature, it is best used for edging or borders of beds, in rock gardens, or in containers.

  • Grows up to 12 in. tall and wide (30 cm)
  • Performs best in full sun in rich, moist, well-drained soils. Appreciates some light afternoon shade in hot summer climates. Provide consistent moisture throughout the growing season.
  • Excellent choice for beds and borders, edging, city gardens, cottage gardens, containers.
  • No serious pest or disease issues. Root rot may occur in poorly drained soils. Deer and rabbit resistant.
  • Propagate by seed. Easily grown from seed, starting indoors in late winter and transplanting outdoors after the danger of frost has passed. Alternatively, seeds can be sown in the garden after the last frost date.
  • Ageratum houstonianum species is native to Mexico and Central America. It is reported to be a weed and invasive outside its native range, due to its high production of small seeds with easy dispersal by wind or water. It is reported invasive in Australia and South Africa and neighboring countries (Swaziland, Mozambique and Zimbabwe) where it poses a threat to biodiversity.

 

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Requirements

Hardiness 2 - 11
Heat Zones 1 - 11
Climate Zones 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Annuals
Plant Family Compositae
Genus Ageratum
Common names Floss Flower
Exposure Full Sun, Partial Sun
Season of Interest Spring (Late)
Summer (Early, Mid, Late)
Fall
Height 10" - 1'
(25cm - 30cm)
Spread 10" - 1'
(25cm - 30cm)
Spacing 12" (30cm)
Maintenance Low
Water Needs Average
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Showy
Tolerance Deer, Rabbit
Attracts Bees, Butterflies
Garden Uses Beds And Borders, Edging, Patio And Containers
Garden Styles Gravel and Rock Garden, Informal and Cottage, City and Courtyard
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Ageratum (Floss Flower)
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Alternative Plants to Consider

Ageratum houstonianum ‘Dondo White’ (Floss Flower)
Ageratum houstonianum ‘Red Bouquet’ (Floss Flower)
Ageratum houstonianum ‘White Bouquet’ (Floss Flower)
Ageratum houstonianum (Floss Flower)
Ageratum houstonianum ‘Blue Horizon’ (Floss Flower)

Recommended Companion Plants

Cosmos Flowers
Rudbeckia hirta (Black-Eyed Susan)
Zinnia elegans (Zinnia)

Find In One of Our Guides or Gardens

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Best Annual Flowers and Plants for Shade
Best Annual Flowers and Plants for Full Sun
Ageratum (Floss Flower)
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
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Requirements

Hardiness 2 - 11
Heat Zones 1 - 11
Climate Zones 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Annuals
Plant Family Compositae
Genus Ageratum
Common names Floss Flower
Exposure Full Sun, Partial Sun
Season of Interest Spring (Late)
Summer (Early, Mid, Late)
Fall
Height 10" - 1'
(25cm - 30cm)
Spread 10" - 1'
(25cm - 30cm)
Spacing 12" (30cm)
Maintenance Low
Water Needs Average
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Showy
Tolerance Deer, Rabbit
Attracts Bees, Butterflies
Garden Uses Beds And Borders, Edging, Patio And Containers
Garden Styles Gravel and Rock Garden, Informal and Cottage, City and Courtyard
How Many Plants
Do I Need?
Explore Great Plant Combination Ideas
Ageratum (Floss Flower)
Not sure which Ageratum (Floss Flower) to pick?
Compare Now

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