Starting Cannabis Seeds In Solo Cups

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1 weeks old tomorrow I’ve just been feeding ro water at pH 6.0. When should I do my first transplant? Any suggestions? I’m using a 600 king led grow light pretty cheap paid 80 bucks for it about 20 inches away. Gonna switch once I started feeding stronger ppm. Cannabis sativa sp. is commonly known as marijuana and has been grown throughout the world for thousands of years. Cannabis seeds germinate in 3 to 7 days, though some varieties may take 10 to 15 days. While germination is a natural… I have a couple of seeds that I have germinated already. I was wanting to know is it better to start them in a solo cup of soil to build up a root ball then…

Seedlings In solo cups

1 weeks old tomorrow I’ve just been feeding ro water at pH 6.0. When should I do my first transplant? Any suggestions? I’m using a 600 king led grow light pretty cheap paid 80 bucks for it about 20 inches away. Gonna switch once I started feeding stronger ppm.

19 Comments

Wait till the root stays together when u tap out of cup. If it falls apart… not ready Freddy.

Thanks for the feed back sunny

I wait till you get your first nodes and leaves span the diameter of cup!

Much appreciated feedback

I’ve never gone longer than 14 days in the cups. A nice vigorous plant and I’m getting that thing in a 1gl in 10 or 11 days. Then 2 more weeks in a 1 gl. I love transplanting.

I feed to water for the first 2 weeks after it sprouts then I’ll start low pppm like 275 right that’s what I did on my auto flower that are 2 weeks ahead of these seedlings but I just wanna make sure I don’t have to give nutes till a littler later stage I haven’t even been adding cal mag to the ro water wanna make sure I don’t burn them but they looking weak rn maybe I should start 275 now after the first week of just to water

Yeah 1st 2 weeks don’t need any additives. A sign they’re ready for nutes is when the cotyledon leaves fade to yellow and die.

There are variables that determine the amount you feed, but sounds like you have a good starting point to me.

This are the rounder leafs not the sedated ones right

Yes the rounder ones.

I wanna thank you for your feedback btw it’s been very helpful I’ve been studying this more and more everyday I got a whole shedule that I’ve put to get her from days of studying so atleast I know I’m not going in lost I just over think stuf a lot

I can tell by the pics you are watering too much.
Get a spray bottle and keep the soil moist. It should not compact, which is was pouring water will do.
That is probably why they look weak to you.
Environment and lighting should be suitable for a seedling as well. Low intense light at close distance is best. 75-85 degrees and 60-75% humidity is a good range. The ideal numbers are within that range.

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I thought coco and perlite was no such thing as over watering cause the air to water ratio that it has idk maybe I read wrong I’ve been getting a lot of good info from cocoforcannabis.com great info for coco

I’ve been watering it every day just very little to get a little run off I figure that also give the roots air like as it run off

The climate is deff dialed in

78 degrees at 65 humidity

No runoff needed. The seedling stage should be treated differently than the veg stage. You should be nursing the little girl to develop a root system first. Small amount of water…moisture, not wetness. If that makes sense.
Sounds like you’re doing a good job, just let it dry out a little then start misting the coco. About 15-20 sprays once a day, sometimes twice.

I just read that once the cleyotede have been open for 24 hours and in its first container I should start to fertigate with a ppm no higher than 400 I mean that’s what I’m feeding my other four bigger autos that’s Are one week ahead plus they grew faster these are feminizes so should I start to follow my low ppm of 275 for the next Tyne I spray the coco/per which I don’t need run of for or should I follow my shedule and just Waugh’s the 2 weeks cause it’s sounds to me with what your telling me that I shouldn’t water it a lot to no move the roots around to let them grow and fill in the cup so every how many days should I water or fertigate in this solo cups

You would be ok to feed up to 400ppm, that not bad advise, but the idea of that is to have available nutrition at a concentration that won’t burn the roots and keep that concentration at a low amount then increasing the amount as the plant gets bigger. This can prevent deficiencies later on. It’s not completely necessary, but I can see the benefits when growing in coco.

It’s tricky watering a young plant, so for a less complicated and more nurturing strategy, I suggest adding nothing for 10-14 days then transplant to 1 gallon pot and begin feeding at 400ppm.

one of them got a small hole on the serated leaf got me thinking maybe it needs calmag I mean I did buffer it with calmag at a pretty good strength mix maybe it’s nothing and rn I got the kingled 600w I don’t think it a strong like bought it for cheap i feel like it’s easier to use that then a bunch of bulbs do you think my light might be to strong for them I don’t have it that close

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How to Germinate Cannabis Seeds

This article was co-authored by Lauren Kurtz. Lauren Kurtz is a Naturalist and Horticultural Specialist. Lauren has worked for Aurora, Colorado managing the Water-Wise Garden at Aurora Municipal Center for the Water Conservation Department. She earned a BA in Environmental and Sustainability Studies from Western Michigan University in 2014.

There are 10 references cited in this article, which can be found at the bottom of the page.

This article has been viewed 65,998 times.

Cannabis sativa sp. is commonly known as marijuana and has been grown throughout the world for thousands of years. Cannabis seeds germinate in 3 to 7 days, though some varieties may take 10 to 15 days. While germination is a natural process, factors such as light, humidity/moisture, and temperature must be controlled for cannabis seeds to sprout.

should I plant my seeds in a solo cup or final pot from the start?

I have a couple of seeds that I have germinated already. I was wanting to know is it better to start them in a solo cup of soil to build up a root ball then transplant into final pot or just plant them in the final pot from start to finish? I will be using fox farm soil. I will be using 2 gallon smart pots. I will be growing auto flowers.

grorite
Well-Known Member
grorite
Well-Known Member
WattSaver
Well-Known Member

The only reasons to use a small pot to start is to save on nutes or its the conditions you have to grow in, like a small veg box. But with an auto, I’d put it straight into your 2gal and go.

jcdws602
Well-Known Member

Start in the solo cups. I recommend using fox farms light warrior mix to start seedlings and new cuttings. after 2-3 weeks you can transplant into fox farm ocean forest or whatever soil you want.

edit. just realized they are autos. you can still start in solo cups
. you just don’t want them to stress during transplant. so be careful that’s all

texastiger707
Active Member

ok thank you. I was going to use fox farm ocean forest soil. My hydro shop was out of it. So I had to get fox farm happy frog. So is happy frog still good for autos?

grorite
Well-Known Member

i use happy frog had some pretty bad nute burn when i started seeds in it i suggest you get some cheap seed starting soil

Vindicated
Well-Known Member

You always want to have two inches of space between the root tips and the edge of your container. As long as you do that, you can pot up as often as you want. Larger containers means less watering and feedings, but it also means less room to grow plants. So you have to find a balance.

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The first time you grow a new strain, your not going to know how fast those roots are developing, so if you can, error on the safe side and go with a larger container. However, with autos the limit seems to be around 7 to 10 gallons. The plants only get 1-2 feet, so anything beyond 10 gallons is over kill IMO. In fact, many do fine in 3 to 5 gallons containers. A lot also has to do with your particular setup (timers, feeding frequency, planting medium, etc).

What has always worked for me is starting in 1 gallon smart pots using a good potting mix formulated for seed germination (I use Miracle Gro Seed Starting Mix), then I make sure to transplant before the end of the third week. Any longer and the roots will start poking out the bottom and sides of the smart pots. It also helps to let the plants get a little dry but not wilting just before transplanting and water immediately afterwords.

texastiger707
Active Member

You always want to have two inches of space between the root tips and the edge of your container. As long as you do that, you can pot up as often as you want. Larger containers means less watering and feedings, but it also means less room to grow plants. So you have to find a balance.

The first time you grow a new strain, your not going to know how fast those roots are developing, so if you can, error on the safe side and go with a larger container. However, with autos the limit seems to be around 7 to 10 gallons. The plants only get 1-2 feet, so anything beyond 10 gallons is over kill IMO. In fact, many do fine in 3 to 5 gallons containers. A lot also has to do with your particular setup (timers, feeding frequency, planting medium, etc).

What has always worked for me is starting in 1 gallon smart pots using a good potting mix formulated for seed germination (I use Miracle Gro Seed Starting Mix), then I make sure to transplant before the end of the third week. Any longer and the roots will start poking out the bottom and sides of the smart pots. It also helps to let the plants get a little dry but not wilting just before transplanting and water immediately afterwords.

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