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Shade Tree · Easy to moderate

How to Grow American Elm

Ulmus americana

Your complete guide to growing American Elm.

☀SunFull sun to partial shade (4-6+ hours)
💧WaterModerate — regular watering
🗺Zones3–9
📏Height60-80 feet
American Elm📷 Wikimedia Commons

When to Plant American Elm

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

ZoneStart IndoorsDirect SowHarvest
Zone 3 — — —
Zone 4 — — —
Zone 5 — — —
Zone 6 — — —
Zone 7 — — —
Zone 8 — — —
Zone 9 — — —

Companion Plants for American Elm

✓ Good companions

Astilbe

Flourishes in partial shade with consistent moisture retained by elm's canopy

Bleeding Heart

Spring ephemeral that complements elm's seasonal cycle and shade conditions

Coral Bells

Shade-tolerant perennial that adds color and attracts beneficial pollinators

Ferns

Natural woodland companions that thrive in filtered light and leaf litter

Hostas

Thrives in the dappled shade provided by elm canopy, creates attractive understory

Violets

Native groundcover that naturalizes well under established trees

Wild Columbine

Native woodland flower that attracts beneficial insects and tolerates root competition

Wild Ginger

Native groundcover that tolerates deep shade and helps suppress weeds

✗ Keep away from

Black Walnut

Produces juglone toxin that can stress or kill elm trees through allelopathy

Norway Maple

Dense canopy blocks light and aggressive roots outcompete elm for resources

Turf Grass

Competes aggressively for water and nutrients, compacts soil around shallow elm roots

Notes from the garden

A greener inbox, occasionally.

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