Ageratum more commonly known as Floss Flower is a beautiful early flowering plant, with fluffy flower clumps, ideal for the edge of your beds, borders and paths. Highly sought for its blue colouring, it attracts pollinators and is deer and rabbit resistant, making it ideal for our local area. Use in beds, borders and container planting. Plant in full sun to partial shade, with moderate drought tolerance.

Blue Floss flower is recommended for the following landscape applications –

  • Mass Planting,
  • Border Edging,
  • General Garden Use,
  • Container Planting,
  • Hanging Baskets.

Planting & Growing –

Blue Floss flower will grow to be about 10 inches tall at maturity, with a spread of 12 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 8 inches apart. Its foliage tends to remain low and dense right to the ground. This fast-growing annual will normally live for one full growing season, needing replacement the following year.

This plant does best in full sun to partial shade. It does best in average to evenly moist conditions, but will not tolerate standing water. It is not particular as to soil type or pH. It is highly tolerant of urban pollution and will even thrive in inner city environments.

Blue Flossflower is a fine choice for the garden, but it is also a good selection for planting in outdoor containers and hanging baskets. It is often used as a ‘filler’ in the ‘spiller-thriller-filler’ container combination, providing a mass of flowers against which the thriller plants stand out. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.

Photo courtesy of Jolly Farmer New Brunswick


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