Mountain Laurel
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About This Tree
If this listing refers to Texas mountain laurel, Dermatophyllum secundiflorum, it is a slow-growing evergreen small tree with fragrant purple spring flowers. Confirm identity: it is not the acid-loving eastern mountain laurel.
Where to Plant
For Texas mountain laurel, choose sun to partial shade and very well-drained soil; limestone soils can be suitable. Handle the root ball gently and avoid a low, persistently wet planting pocket.
How to Plant
- Choose a site that meets the requirements above and allows the mature tree room to grow. Locate underground utilities before digging.
- Water the root ball before installation. Remove the container and identify the root flare, where the trunk widens into the upper roots. Have severe circling or girdling roots assessed and corrected; do not leave a root-bound tree untreated.
- Dig a hole at least twice the root-ball width and no deeper than needed to keep the root flare at or slightly above surrounding soil level. Set the ball on firm soil, handling the ball rather than lifting by the trunk.
- Remove container materials and constricting ties. Backfill with the excavated native soil, settling it gently with water. Do not place gravel, fertilizer, or a rich amended-soil pocket under the tree.
- Water thoroughly after planting. Spread organic mulch 2–3 inches deep over the surrounding soil, leaving the trunk and root flare clear. Stake only if the tree cannot remain stable, and remove temporary support within one year.
Care for a Newly Planted Tree
- Water by moisture: Check inside the original root ball and in adjacent soil frequently, especially in the first weeks and during hot, windy weather. Probe several inches down; a dry surface alone is not enough to judge the roots.
- Water slowly: When the root zone is drying, soak the ball and nearby soil gently, then allow drainage. Keep roots moist rather than saturated. If the ball is already wet, wait and investigate drainage. Turf sprinklers and rainfall may not wet a nursery root ball adequately.
- Adjust over time: Check daily during initial hot-weather establishment; daily checking does not mean daily watering. As roots spread, widen the irrigated area and adjust the interval to weather, soil, and species. Monitor supplemental water needs through at least two growing seasons; large trees may need longer.
- Protect growth: Keep grass, string trimmers, and mower damage away from the trunk. Remove only damaged or dead branches at planting. Do not fertilize during the first growing season unless a qualified professional identifies a specific need.
- Watch for problems: Wilting can occur with dry or waterlogged roots. Check soil before watering more; seek help for persistent wilt, dieback, trunk damage, or unusual discoloration.
Care Notes for This Tree
Allow moisture to decline between irrigations rather than keeping roots continually wet. Do not force growth with fertilizer. Seeds are poisonous and should not be eaten.
Confirm the nursery label, cultivar, and planting-site conditions before installation. Container size does not establish mature size or a universal watering amount.
Further guidance: Tree profile and site guidance; Texas A&M Forest Service planting guidance.