Wafer-ash
Ptelea trifoliata
Last reviewed: September 2026
Ptelea trifoliata is a small deciduous tree with clusters of fragrant greenish white flowers from May through July, growing well in dry woodlands and rocky slopes with full sun to partial shade.

Toxicity unknown
Wafer-ash (Ptelea trifoliata) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
The USDA PLANTS Database (opens in new tab) does not flag Wafer-ash as toxic to livestock.
Light
full sun
Water
low
Size
180"–300" H × 180"–300" W
Bloom
May, Jun, Jul
Native to
AL, AR, AZ, CO and 35 more states
Pollinators
bees, butterflies, beetles
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse plants for this ecoregion
Wafer-ash is a small native tree that grows 15-25 feet tall and wide, forming a rounded canopy. It produces clusters of small greenish-white flowers in late spring and summer, followed by distinctive papery, circular seed pods. This drought-tolerant tree adapts well to various soil conditions and provides good shade for smaller spaces.
Growing Wafer-ash
Grow Wafer-ash in full sun and low water. Mature plants reach 180 to 300 inches tall and spread 180 to 300 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Wafer-ash is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
- Seed pods may be considered messy by some HOAs
Wildlife value
Host plant for Giant Swallowtail butterfly.
The flowers attract bees, butterflies, and beetles during the long blooming period from May through July. The seeds provide food for birds and small mammals.
Common questions
- When does Ptelea trifoliata bloom?
- Ptelea trifoliata typically flowers from May through July, producing small clusters of greenish white blossoms with a citrus-like fragrance.
- What pollinators visit Ptelea trifoliata flowers?
- The flowers draw bees, butterflies and beetles, which visit for nectar and pollen during the summer bloom period.
- How much water does Ptelea trifoliata need once established?
- Once established, this tree tolerates low water levels and prefers dry to medium moisture sites with well drained soil.
- What light conditions suit Ptelea trifoliata best?
- It grows best in full sun but also tolerates partial sun and partial shade, making it suitable for woodland edges and open slopes.
- Is Wafer-ash toxic to livestock?
- The USDA PLANTS Database does not flag Wafer-ash as toxic to livestock.
- Is Wafer-ash HOA-friendly?
- Wafer-ash is generally an HOA-friendly choice in the right placement, with low maintenance.
These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.
Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Wafer-ash? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Planning a bed around it? Start a free plan with this plant
Not sure where to start? Take the 2-minute yard quiz