Horticulture may focus on the study of all types of plants. However, this field of study can also include garden design, arboriculture, and soil management. With this knowledge and understanding, horticulturists may consider going into all kind of careers including marketing, teaching or sales.

Requirements for the PhD program often involve the student having already obtained a Master’s degree. Additionally, a thesis or dissertation primarily consisting of original academic research must be submitted. In some countries, this work may even need to be defended in front of a panel.

Online learning refers to use of electronic media and information and communication technologies (ICT) in education. With online learning one has the flexibility to access their studies at any time and from anywhere they can log on.