Ageratum houstonianum F1 "Blue Horizon"

NEW! Season 2026

Ageratum Blue Horizon is specially developed for cutting. It is said to be the first triploid F1 variety of Ageratum which has given it larger flowers than traditional Ageratum, the plants are more vigorous, grow taller with strong robust stems that give high flower productivity with many stems and that the beautiful flowers last a long time in a vase.

Sow indoors 6-8 weeks before the last frost and harden off before planting out. Place in a bright and cool place after germination.
Light germination.

Pinching encourages branching.

Please note that our seed bags are delivered in Swedish!

Quantity: 30 seeds

Light preference: Sun/Partial shade

Height: approx. 75 cm

Plant spacing: 20-25 cm

Color: Blue/Purple

Sowing depth: 0 cm/Light germination

Sowing time: 6-8 weeks before the last frost

Lifecykle: Halfhardy annual