How to Grow Jacob's Ladder
Polemonium reptans
Your complete guide to growing Jacob's Ladder.
When to Plant Jacob's Ladder
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
Companion Plants for Jacob's Ladder
✓ Good companions
Shares preference for moist, rich soil and partial shade locations
Early spring bloomer that complements Jacob's Ladder's growing cycle in woodland settings
Provides contrasting foliage texture while thriving in similar partial shade conditions
Natural woodland partners that share similar moisture and shade preferences
Compatible moisture and shade requirements, provides excellent foliage contrast
Compatible shade perennial with similar soil and moisture needs
Native woodland companion with similar cultural requirements and complementary bloom time
Shares similar shade and moisture requirements, creates natural woodland understory
✗ Keep away from
Produces juglone which is toxic to Jacob's Ladder and most other plants
Competes aggressively for moisture and nutrients that Jacob's Ladder requires
Aggressive spreader that can quickly overwhelm delicate Jacob's Ladder plants
Allelopathic effects inhibit growth of nearby plants including Jacob's Ladder