Ulmus americana is a deciduous Tree growing to 25 m (82ft) by 25 m (82ft) at a medium rate.
It is hardy to zone (UK) 3 and is not frost tender. It is in flower in May, and the seeds ripen in June. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Wind.Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.