Zone 6 · Whirling Butterflies
Planting Whirling Butterflies in Zone 6
Oenothera lindheimeri
✅ Whirling Butterflies thrives in zone 6 (hardy 5–9)
Can I plant today?
🌸 Whirling Butterflies 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 October 15
Bloom window
June – October
Peak bloom
August
Sun required
full sun
Mature height
36"
Spacing
18" apart
Type
perennial
How to plant Whirling Butterflies in zone 6
Plant in spring in lean, well-drained soil. Airy, long-blooming; drought-tolerant.
Pair with these for continuous bloom
Whirling Butterflies peaks in August. These companions keep your bed in color before and after.
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