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What Are the Conditions for Breeding Indoors?

  • November 03, 2023

What Are the Conditions for Breeding Indoors?

So, you’ve studied all the cobwebs of breeding and decided to enter this thrilling path. What are your next steps? Before to start creating your own seeds, it’s crucial to create the right environment. 

As part of the «Be a Breeder» line, we’ve prepared a series of articles about breeding to help you better understand this topic. In this article, we will outline the specific conditions required for breeding cannabis seeds indoors. 


What Are the Conditions for Breeding Indoors?

Proper space for Breeding

The first and most important thing is to organize a suitable and proper space for breeding. There should be a pollution-free and sterilized zone, with no pests and other negative factors that can affect the process.

Once you’ve found the proper space you have to create the proper zones. In the ideal case, there should be 7 separate zones, where each zone serves a specific purpose:

Vegetative Growth Zone:

  • This zone is designed for nurturing cannabis plants during their vegetative growth phase
  • Conditions include a longer light cycle (usually 18-6 or 24-0 light-dark schedule), higher humidity (around 40-60%), and a temperature range of 70°F to 85°F (21°C to 29°C).
  • It’s where young plants or clones develop their root systems and establish a healthy framework before flowering

Flowering Zone:

  • This zone is dedicated to the flowering stage when cannabis plants produce buds
  • Conditions include a 12-12 light-dark schedule, slightly lower humidity (around 40-50%), and a temperature range similar to the vegetative growth phase
  • The flowering zone is where you’ll need to carefully control lighting schedules to induce flowering

Mother Plant Zone:

  • This is a separate area where you maintain healthy, mature cannabis plants, known as “mother plants”
  • Mother plants are the source of your clones, so they need to be carefully nurtured to provide consistent genetics
  • Conditions in this zone are similar to the vegetative growth zone

Cloning Zone:

  • The cloning zone is where you take cuttings (clones) from the mother plants to propagate genetically identical plants.
  • High humidity (around 70-80%) and lower light levels are typical conditions in this zone to encourage root development and prevent excessive transpiration.
  • A dedicated space with proper propagation equipment is essential for successful cloning

Breeding Zone:

  • This is where the actual breeding process occurs, involving the male and female plants selected for genetic crossbreeding
  • Isolation is crucial in this zone to prevent unwanted pollination, ensuring controlled crossbreeding
  • Conditions may vary depending on the strains being bred, but typically, they align with the vegetative growth or flowering conditions of the respective parent plants

Quarantine Zone:

  • In some cases, growers may maintain a quarantine zone to isolate new plants or acquisitions for a period to check for pests, diseases, or other issues before introducing them to the main growing areas.
  • Quarantine zones help prevent potential contamination or infestations that could affect the entire indoor cultivation space

Storage Area:

  • An organized storage area is crucial for keeping all your gardening supplies, equipment, seeds, and records in order.
  • Properly stored seeds, nutrients, and tools ensure you have everything you need on hand when required

Conditions for Breeding Seeds

You’ve finally organized your zones so the next step is to set the right conditions and maintain them. So check the list of conditions on what you should pay attention to.

  1. Adequate Space:

As we pointed out before, you must have enough space to accommodate various aspects of the breeding process: vegetative, flowering, mother plant, cloning, breeding, quarantine, and storage zones. 

  1. Pollution-free Environment:

Breeding cannabis seeds necessitates a controlled, pollution-free environment. Indoor growing facilities provide the ideal setting for this purpose. Here’s why:

  • Air Quality Control: Indoor environments allow growers to have precise control over air quality, ensuring that there is no contamination from pollutants or unwanted pollen
  • Climate Control: Indoor settings enable the regulation of temperature and humidity, creating a stable environment for cannabis plants to thrive and breed without external interference
  • Light Control: Managing lighting conditions is crucial in breeding, as it allows growers to manipulate the photoperiod and optimize conditions for the breeding process
  • Security: Indoor environments also offer greater security and discretion, protecting the valuable genetic strains being bred

Tips and Lifehacks

  • Isolation Techniques: Implement isolation techniques like physical barriers or timed flowering schedules to prevent unintended cross-breeding and maintain genetic purity
  • Genetic Selection: Carefully select the parent plants with the desired traits you want to pass on to the offspring. Keeping detailed records of the lineage can be immensely helpful
  • Regular Monitoring: Consistently monitor the health and growth of your plants. Any signs of disease, pests, or stress should be addressed promptly to maintain the quality of your seeds
  • Lighting Optimization: Use high-quality grow lights with the appropriate spectrum for each growth stage. This ensures healthy plant development and optimal seed production
  • Humidity and Temperature Control: Invest in environmental controllers to maintain optimal humidity and temperature levels. Fluctuations can stress plants and lead to poor seed production

Allocating sufficient space for selection and maintaining healthy mother plants is crucial for successful breeding. By adhering to these conditions and implementing tips and lifehacks, you can increase your chances of producing high-quality, genetically stable cannabis seeds that meet your desired characteristics. Remember that patience and attention to detail are key when embarking on this exciting breeding journey.