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Native Wildflower · Easy

How to Grow Jacob's Ladder

Polemonium reptans

Your complete guide to growing Jacob's Ladder.

☀SunFull sun to partial shade (4-6+ hours)
💧WaterRegular; consistent moisture during growing season, drought tolerant once established
🗺Zones3–8
📏Height1-3 feet
Jacob's Ladder📷 Wikimedia Commons

When to Plant Jacob's Ladder

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

ZoneStart IndoorsDirect SowHarvest
Zone 3 — May – July —
Zone 4 — April – June —
Zone 5 — April – June —
Zone 6 — April – June —
Zone 7 — March – May —
Zone 8 — March – May —

Companion Plants for Jacob's Ladder

✓ Good companions

Astilbe

Shares preference for moist, rich soil and partial shade locations

Bloodroot

Early spring bloomer that complements Jacob's Ladder's growing cycle in woodland settings

Coral Bells

Provides contrasting foliage texture while thriving in similar partial shade conditions

Ferns

Natural woodland partners that share similar moisture and shade preferences

Hosta

Compatible moisture and shade requirements, provides excellent foliage contrast

Trillium

Compatible shade perennial with similar soil and moisture needs

Wild Columbine

Native woodland companion with similar cultural requirements and complementary bloom time

Wild Ginger

Shares similar shade and moisture requirements, creates natural woodland understory

✗ Keep away from

Black Walnut

Produces juglone which is toxic to Jacob's Ladder and most other plants

Dense Grass

Competes aggressively for moisture and nutrients that Jacob's Ladder requires

Mint

Aggressive spreader that can quickly overwhelm delicate Jacob's Ladder plants

Sunflowers

Allelopathic effects inhibit growth of nearby plants including Jacob's Ladder

Notes from the garden

A greener inbox, occasionally.

Seasonal planting ideas, useful tips and a little inspiration. No weeds.