Zone 5 · Butterfly Bush
Planting Butterfly Bush in Zone 5
Buddleja davidii
✅ Butterfly Bush thrives in zone 5 (hardy 5–9)
Can I plant today?
⏳ Too early to direct-sow
Last frost is in 4 weeks. Wait until soil warms.
Evaluated for April 27, 2026 ·
Zone's last frost
around May 15
Zone's first frost
around October 15
Bloom window
July – October
Peak bloom
August
Sun required
full sun
Mature height
72"
Spacing
60" apart
Type
perennial
How to plant Butterfly Bush in zone 5
Plant in spring. Cut back hard each spring for more blooms. Choose sterile 'Lo & Behold' cultivars to avoid invasiveness.
Pair with these for continuous bloom
Butterfly Bush peaks in August. These companions keep your bed in color before and after.
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