Long-lasting blooms like tiny explosions are out of this world in gardens or containers, and especially planted in mass. This tall ageratum branches without being pinched back and flowers prolifically. Accents well with bright white flowers in the garden bed or in bouquets.
Botanical Name: Ageratum houstonianum (hybrid)
Native: Southern Mexico, Belize, and Honduras
Plant Dimensions: 24″–30″ tall, 8″–12″ wide
Variety Information: ½” bluish-purple pom-pom-like flowers with feathery petals borne in clusters.
Exposure: Full sun to part shade
Bloom Period: Summer to frost
Attributes: Attracts Pollinators, Attracts Beneficial Insects, Cut Flower, Deer Resistant, Rabbit Resistant
When to Sow Outside: Not recommended except for very mild climates, 2 to 4 weeks after your average last frost date.
When to Start Inside: RECOMMENDED. 6 to 8 weeks before your average last frost date. 70°F is ideal for germination.
Days to Emerge: 7–10 days
Seed Depth: Press seed into soil surface
Seed Spacing: A group of 3 seeds every 12″
Thinning: When 2″ tall, thin to 1 every 12″