Zone 4 · Sweet Autumn Clematis
Planting Sweet Autumn Clematis in Zone 4
Clematis terniflora
✅ Sweet Autumn Clematis thrives in zone 4 (hardy 4–9)
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 September 15
Bloom window
August – September
Peak bloom
September
Sun required
full sun, part sun
Mature height
240"
Spacing
72" apart
Type
perennial
How to plant Sweet Autumn Clematis in zone 4
Plant in spring against a trellis. Explosion of fragrant white bloom in late summer; cut back hard in late winter.
Pair with these for continuous bloom
Sweet Autumn Clematis peaks in September. These companions keep your bed in color before and after.
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