Spiraea vanhouttei 'Bridal Wreath' 5' - 9'. A deciduous shrub with wonderful flowers and attractive autumn color. 'Bridal Wreath' is an upright shrub with sweeping branches which gracefully arch for an elegant landscape display.
The square foot (plural square feet; abbreviated ft 2 or sq ft) is an imperial unit and U.S. customary unit (non-SI, non-metric) of area, used mainly in the United States and partially in Canada, United Kingdom, Hong Kong, Bangladesh, India and Pakistan. It is defined as the area of a square with sides of 1 foot.
Square meter (metre in british spelling) is an area unit in metric system and commonly used in measuring the small lands, floor plans etc. The abbreviations are m 2  or sq m. Square foot is an imperial, US customary area unit.