Zone 7 · Flossflower
Planting Flossflower in Zone 7
Ageratum houstonianum
✅ Flossflower thrives in zone 7 (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
around April 15
Zone's first frost
around November 15
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 7
Transplant after last frost. Fluffy clusters hold color all season; deer-resistant.
💡 In zone 7, start seeds indoors around February — about 6 weeks before your last frost.
Pair with these for continuous bloom
Flossflower peaks in July. These companions keep your bed in color before and after.
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