Zone 3 · Culver's Root
Planting Culver's Root in Zone 3
Veronicastrum virginicum
✅ Culver's Root thrives in zone 3 (hardy 3–8)
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
July – August
Peak bloom
July
Sun required
full sun, part sun
Mature height
60"
Spacing
24" apart
Type
perennial
How to plant Culver's Root in zone 3
Plant in spring in moist soil. Candelabra of tall spires; architectural vertical in any border.
Pair with these for continuous bloom
Culver's Root peaks in July. These companions keep your bed in color before and after.
Want a full bed designed for zone 3?
Sign up free. GimmeBlooms builds a bloom-succession layout withCulver's Root and 3–5 perfect companions.
Design my bed →