Ageratum Seeds - Flower Plant for Home Gardens

Ageratum, commonly known as floss flower and botanically classified as Ageratum houstonianum, is a compact annual plant valued for its soft, tufted blooms and bushy growth habit. It develops low, branching stems with green foliage and produces clusters of small, fluffy blue flowers throughout the growing season. This plant adapts well to warm and temperate climates and performs best in full sun to partial shade with well-drained, moderately fertile soil. Ageratum is commonly used in borders, edging, and container planting, where it establishes easily from seeds under suitable conditions.

Features

• Compact plant with bushy, branching growth
• Produces soft, fluffy blue flower clusters
• Suitable for borders, edging, and containers
• Adapted to warm and temperate climates
• Establishes readily from seeds

Specifications

• Scientific name: Ageratum houstonianum
• Common name (US): Floss Flower
• Seed type / variety: Blue flowering variety
• Growth habit: Compact annual
• USDA zones: 2-11 (grown as annual)
• Planting season: Spring
• Growing season: Summer to fall
• Sowing Season:
  • Spring: March to May
• Germination time and conditions: 5-10 days at 20-25°C; light required
• Sunlight requirements: Full sun to partial shade
• Soil requirements: Well-drained, moderately fertile soil
• Watering needs: Moderate, consistent moisture
• Mature plant size: 15-30 cm height, 15-25 cm spread
• Plant spacing: 15-20 cm between plants