Sorbus x intermedia
Common name: Swedish Whitebeam.
Native: Northern Europe.
Size and spread (10 years): 8m x 4m
Treatment required: Mildly dormant requires 16 weeks stratification.
Seeds / kg: c. 65,000; 99% viable
Ideal sowing period: Spring
Soil conditions: Most soils, good for coastal areas.
Mature height: 12m x 12m
pic courtesy of Brosen, CC BY-SA 3.0 , via Wikimedia Commons