allium flower head


RHS Level 2 Certificate in the Principles of  Plant Growth, Propagation and Development



 These four units cover the science that underlies effective horticultural growing practices and successful propagation.    


This unit covers the basic science of plant growth and development.   

compost bin 

This unit looks at the nature and properties of soil and of growing media (composts) and how these relate to plant growth. 

 lily beetles on fritillaria 

 This unit looks at plant problems - pests , diseases and disorders; how to deal with them and what cultural methods can help to prevent the problems. 

sowing seeds 

This unit looks at how to propagate plants and relates the underlying scientific principles from Unit One to horticultural practices.