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Humboldt Sour Diesel Auto (Humboldt HSC) — Box, Coco, LED

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LM285B+ LED/200W
LM301H EVO + UV + IR LED/120W
YXOLED
LM301H EVO + UV + IR LED/120W
YXOLED
LM301B LED/100W
Generic
El-Cheapo Blurple LED/20W
Generic
Mars Hydro 6in
Mars Hydro 6in
Thermostat Controller
Human
Earth
Indoor
Room Type
LST
weeks 5-8
Topping
weeks 6, 9
ScrOG
weeks 8-14
Defoliation
weeks 9
Coco Coir
Grow medium
Perlite
Grow medium
Mycorrhiza
Grow medium
19 L
Pot Size
Strain
Humboldt Sour Diesel Autoflower
Humboldt Seed Company
Growing it
Easy
Resistance
Neutral
My first seed was a three-leaf whorled phyllotaxy weirdo. I didn't expect much from this particular pheno, but it was very quick to gain plant mass and leaf surface. I fed it 100-105% recommended, which was evidently a bit too much, but I continued doing it for my own research reasons. I delayed topping any any HS canopy management as long as I could to give it as long a head start as I could, because for autos early gains are exponential, as are losses, if stressed too much too soon, thus I decided to do a major de-branching and canopy shaping when she showed early signs of flowering. Smell was weak to medium throughout. I think there is some sour and some diesel, especially mid flower, but overall I am not a big fan of using bright smell references to describe complex nuances of cannabis plant aroma. Have not cured yet. All in all, she survived like a champ excess nutes, excess UV and a hardcore one-time defoliation, to produce a lot of dense, solid and chunky buds. Late flower foxtailing became pronounced on most buds, but by no means are the tails fluffy or light. They are as dense as the core bud itself.
The Outcome
Week 15
Harvest
Harvested
1
Number of plants harvested
Grow Room
0.36
ft²
Grow Room size
2.78
plant / m²
1000
watt / m²
Reviews. Nutrient
Both pH+ and pH- performed solidly with all Advanced Nutrients products I have tested. Can recommend.
Base nutrients are great, additions are hit and miss, more of a marketing and money making exercise.
Reviews. Tent
Excellent bang for buck, but lacks a few niceties of more expensive products.
Reviews. Controller
The Thermostat Controller (temp, humidity) does its basic job well, but unfortunately I cannot set mandatory minimum fan speed, while still reserving some speed increase for scenarios where one or more thresholds are not met. Another drawback for me is the lack of auto screen off timer setting. I have to turn the screen on and off manually every time.
Commented by
tangie tangie
a day ago
Chopped her two days into week 14. What else. Buds. There are a lot of them. And they are quite large. And they look like they will require little effort to trim. What more can I wish for? I am a very happy man. Upd 1: Trimming is SO SIMPLE! Not much sticking out to begin with, because of the amazing bud structure and me plucking most bud node fans. Solid nugs which are not bothered by anything, so pulling smaller sub-bud fans is very simple too, while the buds are what I would call moist. I'll call this Moist Trim 😄 ✂️✂️✂️ Went for the best trimming tools available on the market (well at least my research concluded so) and LOVING every minute of trimming with the B-500SRF. Why would I or anyone else use something less suitable or less comfortable for such a delicate and long job is beyond me, except if you cannot afford one right now, in which case I wish you to experience it one day. Fiskars are also very good in therms of the blades, coating and cutting ability and precision, but the spring is just too stiff, like way, way to stiff for something that is to be used for hours on end. One might argue that such spring force helps overcome resin buildup, but please just rinse your instrument regularly in an appropriate solvent (ethy, iso, whatever — consider you instrument materials as well) and wipe it after. Why would you let significant amounts of resin to accumulate on such a gentle and precise tool? Kinda defeats the purpose?
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Grow Questions
tangie
tangiestarted grow question 3 months ago
Whorled phyllotaxy, apparently! Definitely a sign of good fortune :) Did some reading up and my impression is that there's nothing special to be done about this, including feeding regimen. Maybe I should build a hexagonal tent for her? 😁 Share your experience and urban legends
Solved
Leaves. Too many
Other. General questions
1 like
Organoman
Organomananswered grow question 3 months ago
In my long experience, 40 years, any mutants and weirdos are always killed off by me now due to too many of them being duds, problems and/or failures in the past. There is nothing special about them and they generally turn out as disappointments............life is too short to grow "maybes"! Other people may say "ooh, you are lucky, give it a chance it may surprise you etc etc", but as I said, over forty years of growing and 99% of mutants and weirdo seedling turn in to a waste of time.......... Triploids with "whorled phyllotaxy" usually end up males, hermies or just don't flower properly in my experience..........a waste of time and effort. Only normal healthy seedlings make it beyond a week at my place these days.
tangie
tangiestarted grow question 14 days ago
What the heck is this? Is it just purple genes or a stress/deficiency or a combination of multiple factors? I have checked three visual cannabis plant health guides, and did not find a single issue which looks like this. Maybe a combination of 2 factors, but I'm not convinced 😐
Solved
Leaves. Color - Dark-purple
Leaves. Color - Dark-brown
like
Ultraviolet
Ultravioletanswered grow question 14 days ago
Anthocyanin. Looks very similar to what I'd expect to see from excess uv exposure. Possible you had a extra cold night recently? Sometimes if plant spends a night sub 60, the morning after I see a couple leaves like this.
tangie
tangiestarted grow question 9 days ago
Need advice on timing a 7d flush. My 2nd grow, both (Sativas) flowered signif. longer than advertised (+2-4 weeks). To know when to start flushing, do you visually estimate when a plant is no more t 1wk from harvest? If I start flush when it's ripe for harv, too late or ok?
Solved
Other. Harvest - Drying
Other. General questions
2 likes
Newt_Loop
Newt_Loopanswered grow question 8 days ago
I don't flush, I feed till the end. Flushing is bro science. Only need for it is if you overfed or trying to correct a nutrient issue. There's actually a study they did on flushing, article below. In summary, the plants with zero days of flushing had the best flavor and the smoothest smoke. https://www.rxgreentechnologies.com/rxgt_trials/flushing-trial/
tangie
tangiestarted grow question 7 days ago
Answers based on personal experience if possible! Links to peer-reviewed science ALWAYS welcome 💪 AUTO only 🙌 TTH = Time visible veg To Harvest 1) Average TTH for 80%+ Sativas? 2) For Indicas? 3) Your opinion: Seed sellers incentivized by market to understate advertised TTH?
Solved
Buds. Other
Plant. Other
Setup. Strain - Autoflowering
1 like
Organoman
Organomananswered grow question 6 days ago
In my experience.......... 1) - Sativas, 10-16 weeks 2) - Indicas, 6-10 weeks 3) - of course they lie!
tangie
tangiestarted grow question 5 days ago
Fine-tuning my timing, my 2nd harvest. Looking for mostly Sativa effects but slight chill is ok to balance the acid-like high — 10-15% amber tx? 90% of pistils are orange/brown now. Feeding with 60-70% flowering mix, but only 50% N. Lens is Apexel 200X + iPhone, no affiliation
Solved
Buds. Other
Other. General questions
1 like
Newt_Loop
Newt_Loopanswered grow question 5 days ago
My trichome maturity is based on whether it's a indica, sativa or hybrid. When the bulbous heads of the trichomes are fully developed but still translucent, plants will produce a "high" and stimulanting effect, less sedative. It is the perfect moment to harvest strong Indica strains. When these bulbous heads turn milky is probably the best moment to harvest most available hybrids. When 70% of these trichome heads are milky and 30% amber, it is the perfect time to harvest mostly Sativa hybrids and long flowering strains (like Haze).
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tangie
tangiecommentedweek 03 months ago
@Organoman @m0use Thank you for answering my question re triple symmetry, your expertise is very much appreciated! It's a fem auto, so chances of it being a male are still extremely low as far as I understand. A hermie, maybe — no idea how to quantify. This time I strongly feel that I want to continue raising this seedling, and I have no expectations for it, especially now that you related your experience. I will enjoy the process of gardening itself a lot, and I'm very curious to see how a mature plant with this peculiar trait looks and behaves. Given that this will be my first time growing in coco-perlite, I will feel less pressure about any possible mistakes such as staggering an ideal watering schedule etc. In the future your experience will help me make choices based on my goals and preferences at the time. Having grown such plants, and I would not bundle this node symmetry mutation with other types of weirdness, because I'm not sure how each of them expresses and what it impacts, is there something specific I should be aware of or pay extra attention to? I read somewhere that this type of mutation can lead to more brittle branches prone to snapping, which might not be true — things like that. Thanks!
tangie
tangiecommented7 days ago
@m0use, I think I went a bit too HAM on her just out of curiosity and for boundary seeking purposes, at the same time I tried to care for her the best I could. Looks like she survived well regardless and grew some bud, quality assessment pending! Hope to chop her in less than a week's time.
m0use
m0usecommented3 months ago
@tangie, good luck!
Termeair
Termeaircommentedweek 119 days ago
Nice Soure D, Happy Harvest
tangie
tangiecommented10 hours ago
@Termeair, Happy it is! My Christmas tree is on point! Happy holidays!
Stony_German
Stony_Germancommentedweek 914 days ago
Nur durch ausprobieren und dadurch lernen werden grower besser. Ich würde mich da nicht stressen lassen. Am ende wird das kein qualitätsverlust.
tangie
tangiecommenteda day ago
@Stony_German, Genau, danke! Ich hatte ganz am Anfang des Grows nach ihrer Mutation gefragt, und mir wurde von mehreren erfahrenen Growern hier gesagt, dass sie sehr wahrscheinlich nichts taugen wird. Also habe ich beschlossen, mich nicht zurückzuhalten und etwas Riskanteres auszuprobieren. Einfach, um ein besseres Gefühl für die Grenze zu bekommen und die Anzeichen zu lernen. Trotzdem wollte ich alle Stressfaktoren schnellstmöglich korrigieren – eine hochwertige Ernte war immer noch meine Priorität. Puh, sie hat es überlebt! :)
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tangie
tangiecommentedweek 03 months ago
Strain promo: vimeo.com/810974229