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RHS: Maintain Plant Health [3]Taught by Hilary Thomas

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  • Course suitable for all abilities

  • Recognise pests and diseases

  • Know everything about pesticides and herbicides

  • Understand about friendly biological controls


This module will enable candidates to develop an understanding of pest, disease and weed life cycles including modes of infestation. Cultural, biological, chemical and integrated systems are explored.

The Curriculum

  • 1. Maintaining Plant Health

  • 2. Biological Control

  • 3. Herbicides

  • 4. Problems Caused by Weeds

  • 5. Pests That Cause Problems in the Garden & Glasshouse

  • 6. Fungal Diseases

  • 7. Bacterial & Viral Diseases

Meet your expert tutor

Hilary Thomas was Head of the School of Garden Design at the highly regarded Capel Manor College where she taught both Horticulture and Garden and Planting Design for over 20 years. Her students won ...read more

Why you'll love learning here

  • Exclusive: Be coached directly by Hilary Thomas

  • Motivating: Intimate community of students, share ideas and feedback

  • Fun: Get a new perspective with classmates from around the world

  • Inspiring: Real experts sharing their secrets

  • Convenient: Fits with real life. Study whenever and wherever you like

  • Forever: Lifetime access to videos, notes and classmates

Buy now and start whenever you like


  • Start anytime
  • Online classroom
  • Expert tutor videos
  • Downloadable notes
  • Collaborate with classmates
  • Lifetime access to course


  • Everything in Peer, plus:
  • Marked assignments, problem solving and discussion with Hilary Thomas
  • Certificate of completion

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