Zone 3 · Jacob's Ladder
Planting Jacob's Ladder in Zone 3
Polemonium reptans
✅ Jacob's Ladder thrives in zone 3 (hardy 3–7)
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
April – May
Peak bloom
May
Sun required
part sun, shade
Mature height
18"
Spacing
15" apart
Type
perennial
How to plant Jacob's Ladder in zone 3
Plant in spring in rich, moist shade. Ladder-like foliage stays neat all season.
Pair with these for continuous bloom
Jacob's Ladder peaks in May. 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 withJacob's Ladder and 3–5 perfect companions.
Design my bed →