Zone 11 · Flossflower
Planting Flossflower in Zone 11
Ageratum houstonianum
✅ Flossflower thrives in zone 11 (hardy 2–11)
Can I plant today?
🌸 Flossflower should be blooming now!
Plants set out in early season are peaking. Deadhead to keep blooms coming.
Evaluated for June 13, 2026 ·
Zone's last frost
essentially frost-free
Zone's first frost
essentially frost-free
Bloom window
June – October
Peak bloom
July
Sun required
full sun, part sun
Mature height
12"
Spacing
9" apart
Type
annual
How to plant Flossflower in zone 11
Transplant after last frost. Fluffy clusters hold color all season; deer-resistant.
Pair with these for continuous bloom
Flossflower peaks in July. These companions keep your bed in color before and after.
Want a full bed designed for zone 11?
Sign up free. GimmeBlooms builds a bloom-succession layout withFlossflower and 3–5 perfect companions.
Design my bed →