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Home/Arizona Plant & Tree Guide/Texas Ebony

Tree

Texas Ebony

Ebenopsis ebano

A dense, dark-green evergreen tree that holds its screening all winter — slow to arrive, thorny up close, and one of the few trees that truly blocks a two-story view on very low water.

Privacy PickDesigner FavoriteSpace NeededNot Near Walkways

MartínezFlores / Wikimedia Commons / CC BY-SA 4.0 — license

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Irrigation Zone

Low-water trees

Schedule: Deep, infrequent — typically every 10–21 days mature, more often in summer establishment.

Emitters: Multiple large emitters or bubblers placed out at the drip line, not at the trunk.

Encourages deep roots and long-term tree stability. AE designs irrigation to expand as the tree matures.

Reflected Heat & Microclimate

Good with placement

Arizona yards have very different microclimates. West-facing walls, glass, artificial turf, pavers, travertine, porcelain, and pool decking all increase reflected heat. AE considers these before confirming placement.

Root & Infrastructure

Concern level: Moderate

Mind clearance from pool deck
Mind clearance from walls

AE verifies pool deck, paver, foundation, wall, and utility clearances before final planting.

Quick Facts

Plant type: Tree
Mature size: 20 ft tall, 15 ft wide
Growth rate: Slow
Sun: Full sun
Water use: Very low
Bloom season: Late spring to early summer
Flower color: Cream to yellow
Foliage: Dark green
Evergreen / Deciduous: Evergreen
Thorns / spines: Sharp
Litter level: Medium
Pool area: Use with care
Maintenance: Low
Privacy value: High
Shade value: High
Native: Desert-adapted

About Texas Ebony

Texas Ebony earns its place in Valley backyards for one reason above all: it is genuinely evergreen and genuinely dense, so the privacy you buy in July is still there in January. AMWUA lists it as native to southern Texas and Mexico, hardy to about 20°F, and very low water once established, with a slow growth rate and a mature size around 20 feet tall by 15 feet wide. The form is irregular and sculptural rather than symmetrical, the foliage is small, dark green and medium-textured, and cream-to-yellow flowers appear in late spring into early summer, followed by thick woody pods. Two tradeoffs deserve a straight answer. The thorns are real and stiff — this is not a tree to brush past on a three-foot side yard path. And the growth is slow, so if you need screening this year, buy a larger box size and accept the cost rather than expecting speed. AMWUA also flags something many homeowners learn the hard way: the bark can sunburn if the tree is overpruned. Keeping the canopy dense is not just an aesthetic preference here, it is protection for the trunk and inner limbs.

Best uses: Year-round evergreen screening from two-story neighbors, dense shade over a patio set back from the canopy, and a dark-green anchor in low-water backyards

AE Designer Opinion

AE Designer Opinion: When a client is looking up at a neighbor's second-story window, this is one of the few trees we can specify with confidence, because it screens in winter as well as summer. We plan it into the design early and set it back from walkways, gates and pool coping, because the thorns are unforgiving at arm's length. We also prune it lightly and deliberately — enough to lift the canopy and clear structures, never a hard interior thinning that exposes bark to reflected West Valley sun. It is slow, it is thorny, and it still wins the privacy assignment more often than not. What it is not is a universal answer: for an open patio tree with clean lines and no thorns, we would point you somewhere else.

Design Uses

Evergreen privacy screening against two-story neighbors
Dense shade anchor in a low-water backyard
Property-line and rear-yard massing where mature spread is available
Dark-green backdrop for lighter desert foliage and stucco walls
Courtyard or entry statement tree on larger lots, set back from circulation
Wind and sight-line buffer along an open rear fence

Care & Maintenance

Deep-soak infrequently; taper to very low irrigation once the tree is established
Prune lightly and only as needed for clearance — keep the canopy dense
Avoid hard interior thinning, which exposes bark to sunburn
Do structural work in cooler months rather than peak summer
Clean up pods and flower drop from hardscape, pool decks and turf
Keep emitters at the drip line and expand the ring as the canopy widens

Common Homeowner Mistakes

Planting a small container and expecting a privacy screen within a season or two
Squeezing it into a three-foot side yard where the thorns catch everyone who walks past
Hard-thinning the canopy for a lacy look, which exposes the bark to sunburn
Over-irrigating an established tree on a shrub or turf valve instead of deep, infrequent soaks
Ignoring the pod drop when it is planted at the pool edge
Pruning heavily in peak summer heat instead of making light cuts in cooler months

Placement Warnings

⚠ Stiff thorns along the branches make placement critical. Growth is slow, so screening takes time, and AMWUA warns that the bark can sunburn if the tree is overpruned — keep the canopy dense and pruning restrained.

Stiff thorns — keep it off walkways, gate swings, side-yard paths and play areas
Set back from pool coping; pods and pruning debris are a nuisance in the water
Slow growth means screening arrives over years, not seasons — size the container accordingly
Do not overprune or hard-thin the interior; exposed bark can sunburn in Valley sun
Plan for a 15-foot spread and a broad, irregular form rather than a narrow column
Keep it clear of pool equipment, AC units and tight utility easements