Ageratum houstonianum- Floss flower -Frost tender annual of the aster family. Characterized by flowerheads in which the ray flowers are tubular, creating a fine feathery effect. Blooms June to frost -Full sun to part shade. Requires moist soil that never becomes dry.
Ageratum houstonianum 'Blue Horizon'. EASY to grow, it’s always sending up bunches of new blooming stems, especially when deadheaded. Plant with Nicotiana alata ‘Lime Green’ & Viola ‘Etain’ for a super pretty vignette! Butterflies love it, makes a great cut flower & is wonderful in a container! Rich, well drained soil. To 1.5’ wide