Ulmus Species, Cedar Elm, Fall Elm, Olmo, Scrub Elm, Southern Rock Elm, Texas Cedar Elm
Ulmuscrassifolia

Family: Ulmaceae (ulm-AY-see-ee)
Genus: Ulmus (ULM-us)
Species: crassifolia (krass-ih-FOH-lee-uh)

Synonym:Ulmus monterreyensis

Synonym:Ulmus opaca

Category
Trees

Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Grown for foliage
Evergreen
Deciduous

Foliage Color

Height
30-40 ft. (9-12 m)
over 40 ft. (12 m)

Spacing
15-20 ft. (4.7-6 m)

Hardiness
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)

Where to Grow

Danger
Pollen may cause allergic reaction

Bloom Color
Fuchsia (red-purple)
Red
Pale Green
Inconspicuous/none

Bloom Characteristics

Bloom Size

Bloom Time
Late Summer/Early Fall

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
8.6 to 9.0 (strongly alkaline)

Patent Information

Propagation Methods
From herbaceous stem cuttings
From softwood cuttings
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
From seed; direct sow after last frost
By simple layering
By air layering

Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored