Godzilla Cookies Auto Grow Diary and Strain Review

This was another run with Godzilla Cookies Auto from Herbies Seeds. I’d already grown one seed from the pack before, and the jar from that harvest was running low, so it felt like the right time to start a new plant.
The grow was also a small test of my own opinion about topping autos. Some growers avoid it completely, but I’ve had good results with it, and this plant seemed like a good chance to push that idea a little further. The setup was a 70 x 70 x 160cm (27.6 x 27.6 x 63in) Mars Hydro tent under a Spider Farmer SF-1000 at 100W. The plant went into a 19l (5gal) AirPot with universal soil, about 15% coco fiber and 15% perlite.
Key Characteristics
- Seed Type: Feminized
- Flowering Type: Autoflowering
- Suitable for Growing: Outdoor, Indoor
- THC: 27%
- Height: 0.8-1.1m indoors (31.5-43.3 inches)
- Genetics: GG #4 x GSC x Unknown Ruderalis
- Effects: Uplifting
- Flavors: Diesel, Citrus
- Autoflowering
- 450 - 600 g/m² indoors
- Hours of belly laughs
Starting the Run
Week 1
I germinated the seed in a peat tablet. It broke through on the second day, opened the cotyledons on day 3, and on day 4 I moved it into the final pot. That’s where I started counting the grow.
The first week was slow above ground. The seedling stretched a little, but I didn’t add more medium around the stem because it didn’t look like a real problem. I watered around the plant with 100g (3.5oz) of water on the second day after transplant, then repeated it 3 days later. The box ran 20 hours of light per day, with daytime temperature around 21°C (69.8°F), nights not below 18°C (64.4°F), and humidity at 58%.
Week 2
At the start of week 2, I turned on a small fan so the stem would toughen up. I also bent the plant slightly and fixed the top with soft wire, but after a day I let it go. It still felt too early to force the shape.
Watering stayed gentle. I gave 100ml (3.4fl oz) around the plant, then repeated the same amount 2 days later and again at the end of the week. By then, the third node was forming, and I was already thinking about the first topping.
Veg Progress and Training
Week 3
The plant had enough structure for the first proper cut, so I topped it and started shaping it more actively. For an autoflower, that always feels like a decision you need to stand behind, because there’s not much time to recover if it goes wrong.
Godzilla Cookies Auto didn’t make a drama out of it. The new growth stayed healthy, and I kept the training light, mostly guiding the shape instead of trying to force a perfect canopy right away.
Week 4
This week showed the plant’s character more clearly. The structure was very dense, with short internodes and big leaves sitting on top of each other. Early in the week, I watered with nutrients and added CMX at 1ml/l, giving the plant 400ml (13.5fl oz). It looked fine afterward.
Two days later, I did a second topping. That was the more questionable move, even by my standards, but the first one had gone so smoothly that I wanted to see how far this plant could be pushed. After that, I gave plain water, tightened the LST a little, and tucked the large leaves away from the side growth. By the end of the week, the plant was only 19cm (7.5in), but it was already a thick little bush.
Week 5
At the beginning of week 5, the plant looked cheerful again. I gave 500ml (16.9fl oz) of the same veg feed and kept working with LST. It was growing sideways more than upward, which suited the plan.
The second topping didn’t seem to slow it in any serious way. Around the middle of the week, preflower started. Four and a half weeks of veg for an auto felt about right, and both topping cuts had done what I wanted without causing a visible setback.
Early Flower
Week 6
This was the first real flowering week. Small green bud sites stood out against the darker plant, and the whole bush still sat low at about 20cm (7.9in). The structure was dense enough to make up for the lack of height.
By the middle of the week, I gave the first flower feed with 1.5l (50.7fl oz) of solution: CANNA BOOST Accelerator at 2ml/l, CMX at 1ml/l, Veg Accelerator Part 1 at 1.5ml/l, and Super Bloom Part 1 and Part 2 at 1.5ml/l each. The tent warmed up a bit, reaching 25°C (77°F) in the day and 19°C (66.2°F) at night, with humidity around 50%. The pot dried faster now, so I moved toward a feed-water-feed rhythm.
Week 7
The plant stretched a little this week. It was 25cm (9.8in) around the middle of the week and about 30cm (11.8in) by the end. I removed Veg Accelerator from the mix and kept the plant on the flowering nutrients.
Watering settled into a 48-hour rhythm. In that time, 1.5l (50.7fl oz) dried the top 3-4cm (1.2-1.6in) of the pot, and the plant looked comfortable. At the end of the week, it seemed like she had drunk a little faster, but I didn’t rush in with extra water. I’d rather wait than drown a plant that looks fine.
Week 8
By week 8, the little Christmas-tree shape had reached 36cm (14.2in), and the smell became hard to ignore. It was sharp, heavy and stubborn, with a note that reminded me of ammonia mixed with fresh grass.
I raised the nutrient concentration this week: CANNA BOOST Accelerator stayed at 2ml/l, CMX at 1ml/l, and Super Bloom Part 1 and Part 2 went up to 4ml/l each. The plant still handled the feeding well, so I kept watching the pot rather than changing the whole routine.
Week 9-10
Week 9 surprised me. I thought the plant would stay under 40cm (15.7in), but it made one more stretch and reached 50cm (19.7in). Over those 7 days, I watered 4 times: twice with nutrients and twice with plain water.
There were plenty of bud sites, but they still looked loose and unfinished. By week 10, the stretch finally stopped. After that last push, the plant switched into bud-building mode, and the flowers started gaining size and density. I kept watering with 1.5l (50.7fl oz) every 2 days.
Late Flower and Finish
Week 11-12
The buds kept swelling and picked up a slight purple tint. Against the yellowing leaves, the color showed even better. This week I raised the feed again for the final push: CANNA BOOST Accelerator at 2ml/l, CMX at 1ml/l, and Super Bloom Part 1 and Part 2 at 5ml/l each.
The strongest thing about this stage was the smell. After 10 minutes in the tent, it felt like it had soaked into my skin. Week 12 didn’t bring much worth writing down because I was busy, but the basic routine stayed the same: regular watering and a very loud plant.
Week 13-14
During week 13, the plant was close enough to the finish that I stopped trying to push anything new. The flowers were mature-looking, and the room already had that late-flower feeling where most of the work is just not messing things up.
Week 14 was flush week. I don’t always flush my plants, mostly because I’m lazy and haven’t seen a dramatic difference every time, but this one looked too good not to bother. I ran 5l (1.3gal) of water through the pot 3 times. It reminded me why I skip it so often: slow pouring, runoff collection, spills, mess. Still, I did it properly this time and chopped the plant at the end of the week.
Godzilla Cookies Auto Yield and Final Thoughts
After drying for 8 days at 25°C (77°F) and 50% humidity with constant airflow, I trimmed everything properly and separated the buds from the trim. The final amount of buds that went into curing was 102g (3.6oz), plus a decent pile of trim that I didn’t bother weighing.
The finished flowers had the same strong personality as the live plant. During the grow, the smell was sharp and persistent, first leaning toward ammonia and fresh grass, then turning into a heavier late-flower funk that filled the tent fast.
The effect was clearly on the sativa side for me. It sped up my thoughts and made concentration harder, but the mood was light and cheerful. One thing I’d warn about is the red eyes. With this one, eye drops are not a decorative item.
My main takeaway is simple: topping autos can work when the plant is healthy and the timing makes sense. Godzilla Cookies Auto took the training, stayed compact for most of the cycle, then still found enough stretch and power to finish with serious-looking colas.
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