botanical name Cornus florida sun requirements Full sun to partial shade height 15 – 25 feet hardiness zones 5 – 9 Flowering dogwood is a spectacular spring-blooming small tree. During the peak of spring, when many other flowers are starting to bloom, the flowering dogwood takes its tu...
was created for the second zone (from a distance of 5 km). An exact empirical model was then constructed for the first zone, also based on a second-degree polynomial (with three unknown parameters), so that the constructed models for the first and second zones matched at the boundary (at...