Good evening all growers, lurkers and cannabis tokers
Since I’ve been going through my basic 101 growers training -
Ive just covered the identification stage after finally scraping by Germination- sprouts - seedling stage .
I culled 3 males and vegged 2 females after successfully transplating them from solo cups to grow bags.
I’m wondering if anyone waits until they can determine sex before up-potting? If growing females Is the goal
In perfect world that would make sense I guess if you could wait… im only asking After I had transplanted mine into a organic medium only to find out a couple days later it was a male.
I’ve got a number of plants in cups and wondering if I should hold off to see sex or would that be detrimental to the plants growth.
If you’re going the organic route, any roots and plant remains from a culled male just serve as compost for the next inhabitant of that pot.
In my personal experiences I’ve never been able to sex a plant in a small pot unless doing 12/12 from seed. Even putting a plant under 12/12 for two days before returning to veg has been hit and miss- mostly miss.
I like to wait till they show preflower before up potting/flipping to bloom. It usually takes about 4-6 weeks of veg, some show early some show later. If your relying on the nutrients in your soil and your not feeding them anything, then you might need to up pot or they might get deficient. Getting a bit root bound before up pot isn’t as much as an issue if your giving them time before you flip. But it does make it a bit more stressful and some sensitive strains may herm from it.
Thanks everyone. @lophophora.ca - I did re use the organix soil - I started almost 10seedlins in it lol! They are doing great. I won a bag of organic living soil and was planning on using it for the one plant , but it showed balls , so I killed it and was able to find some answers about re using it.
My baby Veg plants have other little seedlings (non cannabis ) in the cup lol some purple ones too
I figured I would ask before i transplanted 8 plants lol maybe save some time and space! No short cuts here i guess!
I guess will be getting some of the Tall plastic pots rather than the fat grow bags I have to save on space.
Just remember for pre-flowers that if it looks like a claw its a male and if it looks like a teardrop its a girl. Heres a male pre-flower about a month old from seed…
Personally my method is 3" starter cubes till the Cotyledons open then into a 3 gallon for 4-6 weeks and they “graduate” into a 10 gallon when they show their pistils and males get pulled. From there they get a month and then into 20-30 gallon for the remainder of my grows, I’ve found 10 gallon is the largest I can safely transplant into something larger. This summer I may be changing it up and skipping the 10 gallon and straight from a 3 gallon to a 30 and running the grow completely in the greenhouse for veg and flower instead of veg inside and greenhouse flower like I did this last year’s grow
So I actually did a lil experiment throwing a handful of seed to see if any unknown strain seeds I received a large amount of were fem or regs and started 12 of em and left em and neglected em in solo cups, after almost 2 months I felt bad for em and gave em a 1 gallon, let them go for another month in that and started feeling bad again and knew I was gearing towards flower anyways so threw em in 3 gallons and couple weeks later off to flowering. All were fem but the important thing I did note was harvesting and pulling the roots they still were the size and almost the shape of the original solo cup and thin even though they got 2 more transplants and months following. Important moral of the story is those first couple months that plant is gaining vigor from seed on its way to sexual maturity it’s really gonna stake it’s ground and set the tone for the rest of the grow. Best thing you can do is give those roots plenty of room for the expected root stretch to plant size for amount of time expected. I’m to a point I see plants like the 6 u have in those little cups in the center of that pic that size and I just cringe cuz after my experiment I honestly feel like it’s throttling the grow back and gonna affect the overall vigor even up potted. The ones you have on the right are perfect size to up pot to at least a 3 or 5 gallon till they can get sexed, just my .02 from my experiences. Give those roots room!!
That’s a great point you make ! I always give them lots of root space - but always when it’s too late and it takes a while to rebound but they do…
Possibly the reason all my plants don’t grow to full size!
I think those six will be fine if I transplant TODAY/TOMORROW. They have only just reached they’re siZE recently .
I do appreciate you’re advice and it is why I made this post. Thank you
I agree. I don’t even try to tell what they are til after they’re in bigger pots. In my case most won’t tell me nothing til I flip em so I just wait to see balls. They won’t get you if you check every day. As for wasted soil /pots once I I’d a male I chop it trash it and take it’s soil n roots bust it all up n mix it right into my next soil mix to be used.
In just realising im gonna have to open my second tent To accomodate all these plants lol 2*4 tent for 12 plants and they are looking great so they will all live by my accord
They now need water everyday and it’s a bit of a challenge to dial the ferts in right which is why it’s clawing a little. I’ve been going full strength each water but I think I will dial it back to 3/4 strength.
I have a very small veg space so the small pots give me more room to fuck around.
Best of luck. It has worked well for me.
Next step is 1 gallon pots for LST and more veg after they show and then into 3gs for flower.
and always thought how there’s people capable to do so 
.
now I wait to clearly see balls or not, no matter how long it takes … 
