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Texas NativeCedar Elm
Ulmus crassifoliaLocal DFW Delivery Only
Product Details
Cedar Elm
Ulmus crassifoliaCedar Elm is a durable and attractive deciduous tree known for its rugged bark and fine-textured foliage that turns golden in autumn. It features a broad, rounded canopy that provides ample shade and reaches heights of 50 feet, with a 35 feet of spread. This elm species is highly tolerant of heat, drought, and urban conditions, making it a popular choice for yards, parks, and street plantings.
- Deciduous tree
- Moderate growth rate with rounded, spreading habit
- Rough, textured bark with small serrated leaves
- Heat and drought tolerant
- Ideal for shade and urban landscapes
Cedar Elm grows best in full sun and adapts to a wide range of soil types, including clay and sandy soils. It withstands drought well once established and requires moderate watering during its early years. This resilient tree is perfect for adding shade and structure to Texas landscapes. Hardy in USDA zones 6 through 9.
Once established, Cedar Elm thrives with little effort, but a few key care steps will keep it healthy and elegant for decades:
- Watering: During the first two years, water deeply and regularly to help roots develop. After establishment, it still benefits from occasional deep watering during extended dry periods. Avoid overwatering or planting in poorly drained areas, as this species prefers drier soils.
- Pruning: Best done in late winter or very early spring, before new growth emerges. Remove dead, crossing, or crowded branches to improve airflow and maintain a balanced, vase-shaped canopy. Like other elms, Cedar Elm should not be pruned between April and September, as open wounds can attract elm bark beetles that carry Dutch elm disease.
- Fertilizing: Fertilization is usually unnecessary unless the tree is growing in nutrient-poor soil. A slow-release, balanced fertilizer applied in early spring can encourage strong growth and lush foliage, but over-fertilizing can weaken the tree and reduce its drought tolerance.
- Mulching: Spread a 2-3 inch layer of organic mulch (such as shredded bark or wood chips) around the base to retain moisture, regulate temperature, and prevent weed competition. Keep the mulch about 6 inches away from the trunk to prevent moisture buildup and rot.
- Staking: Young trees planted in windy or exposed sites may need staking for their first growing season to ensure upright growth. Remove the stakes after one year to prevent trunk damage.
Common Issues and How to Take Care of Them
Cedar Elm is one of the toughest native elms, resistant to many pests and diseases that affect other species. Still, a few potential problems can arise:
- Aphids: Small sap-feeding insects that leave behind sticky honeydew. Treat early with insecticidal soap or spray with a strong jet of water.
- Elm Leaf Beetles: These pests can skeletonize leaves, reducing photosynthesis and vigor. Prune and dispose of infested leaves, and consider beneficial insects like ladybugs as natural predators.
- Mistletoe: A parasitic plant that can attach to branches and sap nutrients. Prune out infected limbs promptly before they spread.
- Powdery Mildew: Common in humid or shaded sites. Ensure proper spacing and airflow, and avoid overhead watering.
- Root Rot: Usually caused by poorly drained soil or overwatering. Plant in well-drained sites and water only when the topsoil is dry.
- Dutch Elm Disease: Cedar Elm is more resistant than most elms, but not immune. Maintain tree health, avoid pruning during beetle activity season, and immediately remove any dead or dying limbs.
Strong, healthy trees with good airflow and proper watering are far less likely to experience serious issues.
Cedar Elm grows at a moderate rate, typically adding 1 to 2 feet per year, depending on soil quality and moisture levels. Your Cedar Elm is considered mature once it reaches 40-50 feet, and that can take several decades.
Early spring or late fall, when the soil is cool and moist, is best. This gives roots time to establish before summer heat or winter cold sets in.
Yes! Once established, it’s highly drought-tolerant and perfectly suited for Texas climates. Deep, infrequent watering helps promote strong roots.
Absolutely. It’s one of the few elms that thrives in clay or limestone soils, provided there’s adequate drainage.
Like most deciduous trees, it sheds leaves in the fall. It may also drop some during extreme drought as a self-protection response, but it recovers once watered.
With proper care, it can live 100 years or more, a true long-term investment in shade and beauty.
Yes, its roots tend to grow deep rather than shallow, so it’s less likely to lift pavement. Still, give it at least 10-15 feet of space from hardscape to allow healthy canopy growth.
Definitely! Its canopy provides shade and shelter, while the seeds feed birds and small mammals. It’s also a host plant for several butterfly species.
Watch for yellowing leaves, thinning canopy, or dieback in upper branches. These can signal overwatering, root rot, or disease - early inspection and pruning are key.
Yes, it’s highly tolerant of urban conditions, air pollution, compacted soil, and limited root zones, making it perfect for street and yard planting.
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