05/23/2026
π± Ageratum (a.k.a. Floss Flower)
Soft lavender puffballs that look like they were spun out of cotton candy and dropped onto a tidy mound of green. The color sits in that cool blue-violet range that's hard to find in the annual world β and ageratum delivers it from June through frost without flagging.
Looks. Compact, bushy plants 6β12 inches tall, covered in clusters of fringed, fluffy flowers in soft lavender-purple. Foliage is soft and slightly fuzzy, heart-shaped, and stays a clean medium green all season. Reads as cool, calm, and a little old-fashioned β the kind of flower your grandmother grew along the front walk.
Growing. Full sun to part shade. Likes consistent moisture and a little richness in the soil β not picky, but happier with regular water than parched. Deadheading isn't strictly required (newer varieties are self-cleaning) but a quick shear mid-summer keeps things tidy. Hardy down to about 45Β°F, so wait until nights are reliably warm before setting them out.
Uses. Front-of-border filler, edging along a walkway, or tucked into the front lip of a mixed container where the lavender picks up the cool tones in a petunia or calibrachoa. Pairs beautifully with yellow marigolds, white alyssum, or pink wax begonias β and the soft purple is one of the few annual colors that actually reads from a distance without shouting.
Deer Rating: π¦ 8/10 β Sometimes browsed.
Deer generally leave it alone β the fuzzy leaves and faint scent aren't on their preferred menu β but in a hungry year or a high-pressure yard, nothing's guaranteed. Worth planting in deer country with realistic expectations.
πΏ Fun fact: The name "ageratum" comes from the Greek for "not aging" β a nod to how long the flowers hold their color before fading. The Victorians grew it in cutting gardens for exactly that reason.
π Maria's Greenhouse at Baker Country Market, 9 miles south of Salmon.