Zone 8 · Whirling Butterflies
Planting Whirling Butterflies in Zone 8
Oenothera lindheimeri
✅ Whirling Butterflies thrives in zone 8 (hardy 5–9)
Can I plant today?
✅ Safe to plant Whirling Butterflies outside
Last frost has passed. Plant in spring in lean, well-drained soil. Airy, long-blooming; drought-tolerant.
Evaluated for April 27, 2026 ·
Zone's last frost
around March 15
Zone's first frost
around November 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 8
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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