Trees · Other Families
Winged Elm 'Lace Parasol'
Ulmus alata 'Lace parasol'
In USDA zones 7b–8a around Raleigh, Durham, and Cary, Winged Elm 'Lace Parasol' is a tree used in Triangle yards when mature size, sun, and drainage fit the bed. Piedmont clay rewards a wide planting hole, a slightly high crown, and steady first-season water. It shows up on shadier lots where turf struggles. Fall planting is the usual window here; water through the first summer no matter the calendar.
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Key facts for the Triangle
- Botanical name
- Ulmus alata 'Lace parasol'
- Common name
- Winged Elm 'Lace Parasol'
- Plant type
- Trees
- Group
- Other Families
- Hardiness here
- USDA 7b–8a (Raleigh–Durham Triangle)
- Light
- Shade to part shade
- Water
- Deep, consistent water while establishing
- Soil
- Well-drained
- Leaf habit
- Deciduous
- Best planting window
- Fall (October–November) in the Piedmont; spring after frost as backup
Overview
Ulmus alata, the winged elm or wahoo, is a small- to medium-sized deciduous tree endemic to the woodlands of the southeastern and south-central United States.
It is a reliable choice for shade, structure, or canopy interest in the Triangle. Between the clay soil and humid summers, this tree stands out for its shade tolerant and overall landscape durability.
At a glance
Sun
Foliage & season
Best landscape uses
Best landscape uses
Growing & care
Practical notes for establishment and seasonal care in the Triangle—adjust for local soil tests and microclimate.
Light
Shade tolerant
Watering Procedure
Water at the base until the root zone is saturated (usually 45-60 seconds for new plants). Check the top inch of soil; if dry, it's time to water again.
Planting & Soil
In our heavy Raleigh clay, this is a great performer if you prep the soil well. Dig your hole twice as wide as the root ball but no deeper. Mix 30% compost with your native clay backfill to open up the soil—this helps the roots breathe and prevents water from pooling. Planting 'slightly high' also ensures the roots stay healthy.
Fertilization
Apply a light, slow-release balanced fertilizer in early spring if the plant shows signs of nutrient need; avoid heavy nitrogen on newly planted material.
Pruning / upkeep
Prune only as needed for structure or clearance. In our humid climate, thin out internal crossing branches to improve air circulation.
Common questions
Is Winged Elm 'Lace Parasol' a good plant for Raleigh and the Triangle?
Yes—when the site matches its light and drainage needs. Winged Elm 'Lace Parasol' is used in Raleigh, Durham, and Cary landscapes in USDA zones 7b–8a. Confirm mature width, overhead wires, and how wet the Piedmont clay stays after storms before you plant.
When should I plant Winged Elm 'Lace Parasol' in North Carolina?
Fall (October–November) is the safest window for Winged Elm 'Lace Parasol' in the Piedmont: soil is still warm, air is cooler, and roots can grow before summer. Spring after the last frost works if you can water deeply through the first hot season.
Will Winged Elm 'Lace Parasol' grow in Piedmont clay?
It can, with careful planting: wide hole, crown slightly above grade, and no water sitting on the root flare. Heavy, poorly drained clay is the usual failure mode—not summer heat alone.
Does Winged Elm 'Lace Parasol' lose its leaves in winter?
Yes. As a deciduous tree, it drops leaves in winter and pushes new growth in spring. That winter light can be useful on the south side of a house.
Can Winged Elm 'Lace Parasol' grow in the shade?
Yes, it is shade tolerant. Morning sun or bright dappled light still helps it look its best; deep, dry shade under maples is a harder test.
Reference context includes Wikipedia (“Ulmus alata”), licensed under CC BY-SA.