Greenhouse crops
Resources on vegetable and floriculture production, pest and disease management and more.
Overview
Greenhouses allow vegetable and floriculture producers in Ontario to extend the traditional growing season.
Tomatoes, peppers and cucumbers are the most popular greenhouse vegetables produced in Ontario.
Potted plants make up the largest number of farm-gate sales, including potted flowering crops like chrysanthemum, gerbera and foliage plants.
Greenhouse production
Growing Greenhouse Vegetables in Ontario
Learn about climate management, plant nutrition and pest and disease management.
Guide to greenhouse floriculture production
Everything you need to know about commercial flower production.
Water and Fertilizer Use in Greenhouse Vegetable Production
Assess your operations and find out where you can improve water and fertilizer use.
Greenhouse management
Supplemental carbon dioxide in greenhouses
Learn how to use supplemental carbon dioxide for plant growth.
Effect of greenhouse light abatement curtains
Learn how to use blackout curtains to control light in greenhouses.
Maintenance
Spring cleanup reminders
Follow these tips to clean your greenhouse and prepare for spring crops.
Spring preparation
Learn what adjustments to make to maintain good production through the season.
End of season
Learn how to achieve the ideal conditions at the end of the growing season.
Using biomass for heating greenhouses in Ontario
Learn about alternative fuels and how to choose one that suits you.
Greenhouse nutrient feedwater
Generating greenhouse nutrient feedwater
Learn about the rules and your responsibilities if you create nutrient feedwater.
Permanent storage exemption
Learn how you could be exempt from the minimum storage capacity requirements.
Applying greenhouse nutrient feedwater on agricultural land
Learn about the rules and your responsibilities if you use nutrient feedwater on your farm.
Understanding the greenhouse nutrient feedwater regulation
Learn how the regulation applies to you and options for managing feedwater.
Transferring, storing and transporting greenhouse nutrient feedwater
Learn about the rules and your responsibilities when storing and moving nutrient feedwater.
Pest and disease management
Crop Protection Hub
Find information on pest control products and management strategies.
Screening of greenhouses for insect exclusion
How to use mesh screens to keep pests out of the greenhouse.
Greenhouse sanitation guidelines
Learn how to use cultural strategies to manage pests and diseases.
Pests
Diseases
- Cucumber: downy mildew
- Cucumber: fusarium stem and root rot
- Cucumber: gummy stem blight
- Pepper: fusarium stem and fruit rot
Storage
Cold storage problems
Learn how to fix common issues when storing fruits and vegetables in the fridge.
Forced-air cooling systems
How to choose, design and manage horizontal, vertical or serpentine airflow systems.