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Rock Elm (Ulmus thomasii)

Rock Elm (Ulmus thomasii) is a large deciduous tree native to eastern North America, known for its hard wood and distinctive corky wings on twigs.

Above information is sourced from Wikipedia

Sunlight

Full sun to partial shade.

Watering

Moderate, consistent moisture. Water deeply when young and during dry spells.

Soil

Prefers well-drained, moist, fertile loams. Tolerant of a range of soil types but avoids waterlogged conditions.

Temperature

Prefers moderate temperatures.

Habitat

Outdoor

Fertilizer

Feed in early spring with a balanced fertilizer.

Care Requirements

Light

Full sun to partial shade.

Prefers at least 6 hours of direct sunlight daily.

Water

Moderate, consistent moisture. Water deeply when young and during dry spells.

Soil

Prefers well-drained, moist, fertile loams. Tolerant of a range of soil types but avoids waterlogged conditions.

Temperature

Prefers moderate temperatures.

Thrives in zones 3-7.

Habitat

Outdoor

Fertilizer

Feed in early spring with a balanced fertilizer.

Avoid over-fertilization.

Plant Overview

Plant Type

Tree

Plant Category

Foliage

Plant Place Type

Ground

Plant Environment

Outdoor

Lifespan

Perennials

Plant Height

15-25 m

Spread

6-12 m

Growth Rate

Slow to Medium

Dormancy

Deciduous

Leaf Color

Green

Leaf Type

Simple

Image Gallery

Taxonomy
  • kingdomPlantae
  • divisionTracheophyta
  • classMagnoliopsida
  • orderRosales
  • familyUlmaceae
  • genusUlmus
  • speciesUlmus thomasii
Toxicity

Toxic for humans

No

Rating: 0/5

Toxic for pets

No

Rating: 0/5

Edible

No

Additional Care Tips

FAQs