How to make a cannabis grow journal. Cannabis grow journals are a valuable tool for any
cannabis grower, whether you are a beginner or an experienced cultivator. A grow journal is essentially a logbook that allows you to track the progress of your plants from seedling to harvest. By keeping a journal, you can monitor and optimize your growing environment, identify and solve problems, and ultimately produce higher yields of better-quality cannabis. In this article, we will explore how to keep a cannabis grow journal and provide an example diagram to help you get started.
Choose Your Journal Format
There are several different ways to keep a cannabis grow journal, including paper notebooks, spreadsheets, and specialized apps. Choose the format that works best for you and make sure to keep it organized and easy to read. If you prefer a paper journal, use a binder or notebook with dividers to separate each grow cycle. If you prefer a digital journal, use a spreadsheet or app that allows you to easily input data and generate reports.
Record Your Starting Information
Start your journal by recording information about your seeds or clones, including the strain, the date you received them, and any relevant information about their genetics. If you are starting from seed, note the germination date and the method you used. If you are using
clones, note the date you transplanted them into your growing medium.
Monitor Your Growing Environment
Record the temperature and humidity levels in your grow room or tent at least once a day. This will help you identify any fluctuations in your environment that may be affecting your plants. You can also record the pH and nutrient levels in your growing medium and any changes you make to your feeding schedule.
Document Your Plant Growth
Take regular photos of your plants and note any changes in their growth patterns, such as the appearance of new leaves or the development of buds. Measure the height and width of your plants and note any signs of stress or disease. You can also record the date of each major growth stage, such as when your plants enter the vegetative stage or start flowering.
Track Your Harvest
When it comes time to harvest your plants, record the date and the weight of your yield. You can also note any observations about the quality of your buds and the potency of your cannabis. This information will help you make adjustments for future grow cycles and compare the success of different strains.
Example Grow Journal Diagram
To help you get started with your own cannabis grow journal, here is an example diagram of a paper journal format below. Just cut and paste to use as your own cannabis grow journal template.
Grow Cycle: _____________
Starting Information:
Strain: ___________________________
Received on: _______________________
Genetics: _________________________
Germination date (if applicable): ____________
Transplant date (if applicable): _____________
Growing Environment:
Date | Temperature | Humidity | pH | Nutrient Levels | Notes
_______|_______________|___________|______|__________________|____________________
_______|_______________|___________|______|__________________|____________________
_______|_______________|___________|______|__________________|____________________
Plant Growth:
Date | Height (in) | Width (in) | Growth Stage | Notes
_______|______________|_____________|_______________|_________________________
_______|______________|_____________|_______________|_________________________
_______|______________|_____________|_______________|_________________________
Harvest:
Date harvested: ________________
Yield (oz): _____________________
Quality/potency: _________________
Notes: _________________________
Example of a Cannabis Grow Journal With Real Data Filled In
Grow Cycle: Blue Dream
Starting Information:
Strain: Blue Dream
Received on: March 1, 2022
Genetics: Sativa-dominant hybrid
Germination date (if applicable): March 5, 2022
Transplant date (if applicable): March 15, 2022
Growing Environment:
Date | Temperature | Humidity | pH | Nutrient Levels | Notes
_______|_______________|___________|______|__________________|____________________
3/16 | 75°F | 60% | 6.0 | Vegetative: 1/2 | Set up grow tent
3/17 | 72°F | 65% | 5.9 | Vegetative: 1/2 | Watered with 2 tsp BC Organic Fish Fertilizer
3/18 | 73°F | 68% | 6.2 | Vegetative: 1/2 | Adjusted pH with pH Up
3/19 | 71°F | 70% | 6.1 | Vegetative: 1/2 | Installed trellis netting
Plant Growth:
Date | Height (in) | Width (in) | Growth Stage | Notes
_______|______________|_____________|_______________|_________________________
3/16 | 2 | 2 | Vegetative | Seedling stage
3/23 | 6 | 6 | Vegetative | Healthy growth
3/30 | 10 | 8 | Vegetative | Topped to promote bushy growth
Harvest:
Date harvested: June 15, 2022
Yield (oz): 8.5
Quality/potency: Smooth smoke, relaxing effects
Notes: Flushed with plain water for last two weeks before harvest
Data Helps Grow Better Buds
Keeping a cannabis grow journal is an essential tool for any cannabis grower. It will help you grow and improve your strains. Soon we will release software where you can input your data and we can help you optimize your grow. Thanks for reading about our Cannabis Grow Journal and have a great day! Don’t forget to join our newsletter for more information and growing tips.