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Kannabia Sativa Dream - Pheno Hunting

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6
31
4d ago
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Pure Fan TT150
The Pure Factory
Wall Fan PRO-VENT
The Pure Factory
Controller PURE LED 2.0
The Pure Factory
Indoor
Room Type
Transplantation
weeks 2-3
1 L
Pot Size
Start at 3 Week
G
Germination
18d ago
Nutrients 2
Cultivator Series Base - Advanced Nutrients
Cultivator Series Base
0.4 mll
Cultivator Series Grow - Advanced Nutrients
Cultivator Series Grow
0.4 mll
greenkeepers Kannabia Pheno Hunt 2025 – Sativa Dream Hi there! We are Anbauvereinigung Greenkeepers Leipzig e.V., a Cannabis Social Club based in Leipzig, Germany. We’re proud to present our biggest pheno hunting project to date, in collaboration with Kannabia Seed Company, The Pure Factory, and Advanced Nutrients. With their generous support — providing seeds, nutrients, and equipment — we’re able to carry out a selection process of considerable scale and precision. This project includes four cultivars from Kannabia’s genetic catalog: • Apple Fritter • Pink Gelato • Zoap Rose • Sativa Dream We’ve started with 548 seeds. After careful observation and evaluation, only 72 plants — 18 per cultivar — will be taken into the flowering phase. Our goal is to identify standout phenotypes based on structure, vigor, resin production, and other key traits. We’re also testing an innovative internal selection method aimed at improving the accuracy and repeatability of phenotype selection. While the details are still under internal research, this system forms the backbone of our decision-making process. The plan is to test it, validate it, and — if successful — release it publicly. So if you're interested, please be patient and stay tuned. We’ll keep you posted 😉 ➡️ Follow this and other future projects on Instagram: @greenkeepersleipzig 📅 Week 1 – Germination Each seedling was assigned a position and ID for internal tracking. Tagging and documentation were completed during this first week. Seeds were placed directly into Eazy Plugs, pre-soaked with osmosis water adjusted to pH 5.6, with no nutrients added at this stage. After germination, the first watering was done using a light nutrient solution: Advanced Nutrients – Cultivator Series (Base & Grow) EC: 0.9 pH: 5.7 Out of 212 seeds, 208 germinated successfully, resulting in a germination rate of 98.1%. We observed that the 44W LED lights used during early germination may have been too weak — or placed too high — which led to some stretching. We’ve since moved the seedlings under stronger lights to avoid further elongation.
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Used method
Peat Pellet
Germination Method
2
Week 2. Vegetation
11d ago
5 cm
Height
16 hrs
Light Schedule
28 °C
Day Air Temp
5.9
pH
No Smell
Smell
910 PPM
TDS
65 %
Air Humidity
20 °C
Solution Temp
24 °C
Night Air Temp
1 L
Pot Size
Nutrients 3
Cultivator Series Base - Advanced Nutrients
Cultivator Series Base
0.8 mll
Cultivator Series Grow - Advanced Nutrients
Cultivator Series Grow
0.8 mll
Voodoo Juice Plus - Advanced Nutrients
Voodoo Juice Plus
0.03 mll
greenkeepers 🌱 Sativa Dream – Week 2: Selection Begins This week marked a major step forward for our Sativa Dream line. Out of a total of 208 seedlings, we selected 33 individuals, including 2 tagged as control plants. The selection process involved close examination of each seedling, supported by macro photography on day 5 and day 8 after germination. Although day 5 felt slightly early and day 8 a bit late, the traits we were aiming for appeared clear and consistent in both sessions. This gave us confidence to make accurate selections and build a strong foundation for this cultivar's development. All selected plants were transplanted into 1L pots and received a feeding solution based on Base & Grow from Advanced Nutrients Cultivator Series and Voodoo Juice Plus, prepared with RO water, adjusted to pH 5.9 and EC 1.4. By the end of the week, we observed the first roots emerging at the bottom of the pots, a sign that our crop steering strategy with dry-backs is working well. Environmental conditions have been favorable, with temperatures holding around 28°C as the summer heat fades away in Leipzig. We maintained humidity at 68% RH using the Pure Fogger by The Pure Factory, while Provent fans ensured strong, consistent airflow. At 28°C and 68% RH, our VPD is approximately 1.0 kPa, which supports strong root growth and early vegetative vigor in this energetic sativa hybrid.
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1 comment
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Used techniques
Transplantation
Technique
3
Week 3. Vegetation
4d ago
5 cm
Height
18 hrs
Light Schedule
28 °C
Day Air Temp
5.9
pH
No Smell
Smell
910 PPM
TDS
65 %
Air Humidity
20 °C
Solution Temp
24 °C
Night Air Temp
1 L
Pot Size
Nutrients 3
Cultivator Series Base - Advanced Nutrients
Cultivator Series Base
1.04 mll
Cultivator Series Grow - Advanced Nutrients
Cultivator Series Grow
1.04 mll
Voodoo Juice Plus - Advanced Nutrients
Voodoo Juice Plus
0.03 mll
greenkeepers Week 3 – Sativa Dream – Root Rush, Final Cut & Ready for the Flip ☀️ From the original 130 plants, 18 Sativa Dream were selected for the main room — the best 16 looking ones plus 2 control plants. Another 48 plants were moved to a separate room to flower there as well, and the rest that didn’t make it into either room were removed so we can focus entirely on the top performers. After transplanting into 7 L pots, Sativa Dream quickly filled the fresh substrate with healthy white roots, reaching the bottom within days. This cultivar continues to show the fastest vertical growth among the four, with thinner leaves and a high tolerance for the intensity of the The Pure Factory LED Expert 720 W panels 💡. EC was increased to 2.0 using Cultivator Series base and grow formulas, with Voodoo Juice to boost root mass. Foliar feeds kept leaf health at optimal levels. This week, we also introduced beneficial insects — Amblyseius cucumeris and Amblyseius californicus — as a preventive measure against thrips and other potential pests. The flip to flower in Week 4 is mainly for space control 🌸 — keeping Sativa Dream compact ensures each plant has enough light and space to thrive without overcrowding, making canopy management easier during the stretch.
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2 comments
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Used techniques
Transplantation
Technique

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ThePureFactory
ThePureFactorycommentedweek 018d ago
It is always a pleasure to begin a collaboration with such experienced growers as yourselves. We are confident that the pheno hunting will be a complete success. We wish you a prosperous and abundant harvest!
Natrona
Natronacommentedweek 018d ago
Happy growing 🌱 💫
UnorthadoxDude
UnorthadoxDudecommentedweek 25d ago
I absolutely love these social club grows. I really hope one day to take part in one here in the UK. Really epic dairy I am very much looking forward to following this one. Thanks so much for running it her, and if it is not too late to say so, welcome to grow diaries!
greenkeepers
greenkeeperscommented3d ago
@UnorthadoxDude, thank you so much! We really share and appreciate your enthusiasm about the project anf can‘t wait to drop more updates!
Kannabia
Kannabiacommentedweek 017d ago
Thank you for trusting Kannabia with this exciting project! 🤗 We're truly excited about this collaboration, led by such experienced growers like you, within a legal framework and as a pioneering initiative on this platform. 🌱 Only with you can we witness a project of this scale on GrowDiaries! 🔝Wishing you all the best in your phenotype hunt 🍀, we'll be closely following every update. Lots of success with your Sativa Dream! 🧡
greenkeepers
greenkeeperscommented3d ago
@Kannabia, Thank you for giving so mich opportunity- friends
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