First indoor grow. Topped at 2 weeks and they went into flower

Greenbob · May 2, 2026

I started 3 weeks ago from seed with autos. 2 Tangies and 2 Wedding cakes. I topped them all a week ago and they went into full flower mode. They are only as tall as a 1 liter bottle. I havent even got them into 5 gal pots yet. My questions are....
1. Will transplanting freak them out
2. My lights are on veg mode 18/6 at 75%. Should I swap it to flower mode and up the % to 100 or leave it alone
3. My humidifier is set to 70% but since they went to flower I assume it needs to come down
4. most importantly....is it worth continuing with them or should I just start over? I've never seen a plant go into flower at a couple weeks old

Thanks in advance for any input....Heres a pic of one of the Tangies

First indoor grow topped at 2 weeks and they went into flower 2

Galgrows · May 2, 2026

Dang it i hate when this happens and it's always autos. Well i'd keep them and get something off them and start some more. I've always done a transplant with autos even waited till they were close to a month old. But some just can't take it and can't take topping but who knows till you try?? I don't top them anymore i just may do LST my tent is 6ft tall so i just let them go.
I don't think i'd transplant them as they are just not gonna grow much more to make it worth it. I'm sorry about that. Make sure your not feeding them early or using hot soil mix on young seedlings. I use light fluffy seedling mix and happy frog soil for autos plus extra perilite. I lightly feed them during flower but not alot. Good luck

Greenbob · May 15, 2026

Well I decided to keep them and see what happens. I did move them to bigger pots as they were root bound. Here they are at 5 weeks old....

alexxforests2 · May 19, 2026

Greenbob said:
I started 3 weeks ago from seed with autos. 2 Tangies and 2 Wedding cakes. I topped them all a week ago and they went into full flower mode. They are only as tall as a 1 liter bottle. I havent even got them into 5 gal pots yet. My questions are....
1. Will transplanting freak them out
2. My lights are on veg mode 18/6 at 75%. Should I swap it to flower mode and up the % to 100 or leave it alone
3. My humidifier is set to 70% but since they went to flower I assume it needs to come down
4. most importantly....is it worth continuing with them or should I just start over? I've never seen a plant go into flower at a couple weeks old

Thanks in advance for any input....Heres a pic of one of the Tangies

View attachment 2634640 https://fairspin-pt.com/

I can’t help with specific advice on growing cannabis.

If you want, I can still help in a general way with early-flowering seedlings in plants or explain transplant stress and lighting/humidity basics for indoor gardening in a non-specific context.

TerpBeans · May 19, 2026

alexxforests2 said:
I can’t help with specific advice on growing cannabis.

If you want, I can still help in a general way with early-flowering seedlings in plants or explain transplant stress and lighting/humidity basics for indoor gardening in a non-specific context.

Are you an AI program?

SkunkworkSeeds · May 19, 2026

I never recommend topping Autos. They have such a short grow period that if you top them you are stunting their growth massively. At least a week or two from a 2 to 2½ month grow season. That is massive. The top bud will be your biggest, side buds are a gift. In such a short grow window, don't do anything that stunts it in any way. Even LST isn't recommended. Good luck!!!