Growing herbs in a greenhouse can be a rewarding experience, allowing you to cultivate fresh, aromatic plants year-round. Here’s a step-by-step guide on how to do it:
1. Choose Your Herbs
Select herbs based on your culinary needs and climate. Popular options include:
- Basil
- Parsley
- Chives
- Thyme
- Oregano
- Rosemary
- Mint
2. Prepare the Greenhouse
- Temperature Control: Maintain a temperature between 15°C to 21°C. Use heating mats or thermostats if necessary.
- Ventilation: Good airflow prevents diseases. Ensure there are vents or fans to manage humidity.
- Lighting: Ensure your greenhouse receives adequate light. Consider grow lights if natural light is insufficient.
3. Soil and Containers
- Soil: Use a high-quality potting mix that drains well. A mix designed for herbs or vegetables is ideal.
- Containers: Use pots or trays with drainage holes. Consider using larger containers for herbs with extensive root systems.
4. Planting
- Seeds or Seedlings: You can start with seeds or buy seedlings from a nursery. Sow seeds according to package instructions, or plant seedlings at the depth recommended.
- Spacing: Allow enough space between plants for air circulation.
5. Care and Maintenance
- Watering: Herbs generally like evenly moist soil, but avoid overwatering. Check the top inch of soil; if it’s dry, it’s time to water.
- Fertilising: Use a balanced fertiliser every few weeks. Follow specific guidelines for each type of herb.
- Pruning: Regularly prune herbs to encourage bushy growth and prevent flowering, which can change the flavor.
6. Pest and Disease Management
- Monitor for common pests like aphids or spider mites. Use organic pest control methods if needed.
- Ensure good hygiene in the greenhouse to prevent diseases by cleaning containers and equipment.
7. Harvesting
- Regularly harvest your herbs to keep them productive. Snip off leaves and stems as needed, but avoid taking more than one-third of the plant at a time.
By following these steps, you can successfully grow a variety of herbs in your greenhouse, providing fresh flavours for your dishes throughout the year!

