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user78235 13. October was seeding day, and the first sprout appeared on day 5. Regular start.
I grow two plants in parallel, but will report on the left one in this diary. I might add comments on the other one though.
Day 7, 3cm.
user78235 Day 15, 5cm. Growing well. Soon ready for first topping.
Day 17, 6cm. Not ready yet for topping. I wait until at least two nodes with potential new branches are well developed. The other GCA which I grow in parallel was already ready this morning. But I'm away for a few days now, and I will only top this When I'll be back in 3 days.
Day 20, 8cm topped down to 7cm. I could probably have waited a few more days, as she is a little slow. But it should be ok. The other GCA is rushing. Everytime I grow two of a kind and from the same lot (well, at least sold in the same package) in parallel and under the same conditions, it's interesting to see how different they evolve.
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Used techniques
Topping
Technique
4
Week 4. Vegetation
4y ago
11 cm
18 hrs
25 °C
Weak
60 %
23 °C
23 °C
25 °C
30 cm
user78235 Day 22, 9cm. Recovering well after topping.
Day 22, 9cm
Day 26, 10cm
Day 28, 11cm. I'm not a fan of pruning (I prefer the KISS concept), but I cut off the lowest leaves, which were not looking well.
user78235 Day 36, 23cm
Day 38, 26cm
Day 40, 30cm
Day 42, 32cm
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7
Week 7. Flowering
4y ago
34 cm
18 hrs
25 °C
Weak
60 %
23 °C
23 °C
25 °C
30 cm
user78235 Day 44, 34cm. Leaves a little yellowish.
Day 46, 35cm
Day 48, 36cm. Still looks a little weak. I hope she will finish flowering well.
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8
Week 8. Flowering
4y ago
36 cm
18 hrs
25 °C
Weak
60 %
23 °C
23 °C
25 °C
30 cm
user78235 Day 50. 36cm. Watering problems - my fault, I forgot to fill up the tank! Shame on me! I hope she will recover...
Day 52. 36cm. She recovers, but she still doesn't look great. I suppose my setup is not perfect for this strain .
Day 54. 36cm. Flowering on.
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9
Week 9. Flowering
4y ago
36 cm
18 hrs
25 °C
Weak
60 %
23 °C
23 °C
25 °C
30 cm
user78235 Day 57. 36cm. Leaves still yellowish or dry brown, but she seems to bloom ok.
Day 59. 36cm. Pistils are getting golden.
Day 61. 36cm. Pistils are getting golden.
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10
Week 10. Flowering
4y ago
More photos +8
36 cm
18 hrs
25 °C
Normal
60 %
23 °C
23 °C
25 °C
30 cm
user78235 Day 64, 36cm. About 1/4 of the pistils are brown. Trichomes are getting cloudy.
Day 66. 36cm 1/2 of the pistils ate brown. First trichomes get golden at the top colas, but I'll wait a little bit longer.
Day 68. 36cm. Ready for harvesting. 3/4 of the pistils are brown, some trichomes on the top colas are golden. I'll probably harvest tomorrow.
user78235 Well, I'm a little disappointed. I grew three of these, but two didn't produce any flower, just leaves, and only this one got a few colas, though only 40g. I'm convinced that it is basically a very good strain, so what was the reason for this mediocre grow? Was it the topping? Was it the setup with earth and automatic watering? I don't know.
hey mate i just harvested 1 of these but there s not a diary
only thing i can say is that is a beast and can tolerate more ntes than any other auto i ve grown and will reward with a good harvest!!
good luck!!
My first comment disappeared, so I repost it:
This time I will grow 2 Green Crack Auto side by side, and this diary will report on the left one.
Seeding day is 13. October 2020.
My target is a simple, reliable, low maintenance grow, allowing for a few days absence.
I only use solid organic nutrients mixed to the soil at the beginning, and none afterwards. Autoflowering strain, HomeBox Ambient Q60, Automatic watering with AutoPot 8,5L Easy2Grow Modules, Hazelbeam 2 270W LED lights with 18/6 timer, Small rotating fan.The only thing I need to do is Topping after about 20 days (a second topping was probably the reason for problems once, so that I'll probably only top once from now on) and a little LST afterwards depending on the strain (only dwarves or similar < 90cm).
Up to now this gives me ca. 20g per plant every 10 weeks (85-120g freshly harvested), with minimum investments. Perfect for integration in family and work routine.
Grow medium:
1000g (4L) BioBizz Light Mix
+ 223g (3.2L) Perlite
+ 150g Flo Organics (www.florganics.de)
Fertilizer mixed in lower half of soil.