Ageratum Seeds – Blue Mist Hardy

Ageratum Seeds – Blue Mist Hardy Variety produce compact, bushy plants adorned with soft, fluffy flower clusters in a rich blue hue. Known for their long-lasting blooms and excellent garden performance, these hardy ageratums add a cool, soothing tone to garden borders, flower beds, and containers. The vibrant blue flowers attract butterflies and other pollinators, making them a perfect choice for pollinator-friendly landscapes.

This variety is valued for its tolerance to heat and ease of care. It performs best in full sun and thrives in well-drained soil, offering continuous color from late spring to early fall. Ideal for gardeners seeking consistent, season-long blooms with minimal maintenance.

Features:

• Type: Annual flowering plant (treated as tender perennial in warmer zones)

• Common Name (US): Floss Flower

• Variety: Blue Mist Hardy

• Flower Color: Light to medium blue

• Growth Habit: Compact and bushy

• Height: 10–18 inches (25–45 cm)

• Spread: 8–12 inches (20–30 cm)

• Soil Requirement: Well-drained, moderately fertile soil

• Sunlight: Full sun to partial shade

• Watering: Moderate; keep soil evenly moist

• Bloom Time: Late spring to early fall

• Special Feature: Attracts butterflies and supports pollinators

Specifications:

• Planting Season: Spring after the last frost

• Hardiness Zones (USDA): Zones 5–10 (perennial in Zones 9–10, annual elsewhere)

• Sowing Method: Start indoors 6–8 weeks before the last frost or direct sow outdoors once soil warms

• Germination Time: 7–14 days

• Germination Temperature: 70–75°F (21–24°C)

• Spacing Between Plants: 8–12 inches (20–30 cm)

• Mature Plant Height: 10–18 inches (25–45 cm)

• Best Growing Months:

  • Northern Zones (5–6): May to September

  • Mid Zones (7–8): April to October

  • Southern Zones (9–10): March to November

• Maintenance: Low; remove spent blooms to encourage continuous flowering

• Uses: Garden borders, beds, containers, butterfly gardens, and cut flower arrangements