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three gallon or 5 gallon pots

  • Thread starter Thread starter biggerbud420
  • Start date Start date Jun 26, 2021
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three gallon or 5 gallon pots

biggerbud420 Jun 26, 2021 23 Replies 48,750 Views
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biggerbud420

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#1
i know there isn't a definitive answer here but just how much bigger would a plant get in a 5 gallon pot then a 3 gallon pot ?
 
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Mr.GreenthumbOG

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#2
Depends on veg time, media used, and general growing practices. In my upcoming grow, I’m planning 5-6 strains, 18 plants in an 8x4 tent, in 3 gal pots with a a quicker flip to flower.
 
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biggerbud420

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#3
Mr.GreenthumbOG said:
Depends on veg time, media used, and general growing practices. In my upcoming grow, I’m planning 5-6 strains, 18 plants in an 8x4 tent, in 3 gal pots with a a quicker flip to flower.
Click to expand...
well i have alot of 3 gallon pots and i been growing autos in them i been averaging 4 oz a plant in 3 gallon pots i was just curious how much bigger the plant would get in a 5 gallon bucket ? my next grow i do want to do photo's but not sure if i should just stay with my 3 gallon pots
 
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Mr.GreenthumbOG

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#4
3 gal is plenty for autos. Always do my autos in 3 gal coco.
 
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Mr.GreenthumbOG

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#5
For photos and a veg time 6 weeks or under, 3 would be fine as well.
 
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biggerbud420

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#6
i understand what your saying but im still curious just how much bigger a plant would get if it was in a 3 gallon pot or 5 gallon auto or photo
 
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Mr.GreenthumbOG

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#7
Plants only get as big as the amount of time you let them grow. Autoflowers don’t have time to max out 5gal pots in my experience.
pic is all autos in 3 gal and tallest plants were 6ft.
for photos, if planning to veg longer than 6 weeks, go 5 gal or bigger for longer times.
 

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Madmax

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#8
I dont think it makes much difference really..long as you keep up the feeds they will get just as big in 3 as in 5..im growing in 5 as i want to water only once a day.with the 3 id have to feed twice a day..im averaging between 4-5 oz for 5 week veg in 5 gals.aqaman busted that myth in bigger the pot the bigger the plant..he grew in 1 gal and plant got huge but feeding 10 times a day..
 
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Mr.GreenthumbOG

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#9
That being said. The girls never complain about having the extra space to stretch out.
I like the quick watering cycles smaller pots allow, and it allows for more plants in the tent.
If you want to grow big ass plants with longer veg times. Go 5-10 gal.
 

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biggerbud420

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#10
Madmax said:
I dont think it makes much difference really..long as you keep up the feeds they will get just as big in 3 as in 5..im growing in 5 as i want to water only once a day.with the 3 id have to feed twice a day..im averaging between 4-5 oz for 5 week veg in 5 gals.aqaman busted that myth in bigger the pot the bigger the plant..he grew in 1 gal and plant got huge but feeding 10 times a day..
Click to expand...
if i feed my plants 2 times a day they would get overwatered
 
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biggerbud420

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#11
Mr.GreenthumbOG said:
Plants only get as big as the amount of time you let them grow. Autoflowers don’t have time to max out 5gal pots in my experience.
pic is all autos in 3 gal and tallest plants were 6ft.
for photos, if planning to veg longer than 6 weeks, go 5 gal or bigger for longer times.
Click to expand...
well i got one now that in 3 gallon pots its about 3 feet tall and probably 3 feet wide lol
 
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biggerbud420

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#12
Mr.GreenthumbOG said:
Plants only get as big as the amount of time you let them grow. Autoflowers don’t have time to max out 5gal pots in my experience.
pic is all autos in 3 gal and tallest plants were 6ft.
for photos, if planning to veg longer than 6 weeks, go 5 gal or bigger for longer times.
Click to expand...
were any of those lst ?
 
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Madmax

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#13
biggerbud420 said:
if i feed my plants 2 times a day they would get overwatered
Click to expand...
Oh your not in coco /perlite?
 
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Mr.GreenthumbOG

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#14
biggerbud420 said:
were any of those lst ?
Click to expand...
I lst all my plants. No topping of autos.
 
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biggerbud420

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#15
Madmax said:
Oh your not in coco /perlite?
Click to expand...
i am using pro mix moisture control
Sphagnum peat moss (80-90% by volume)
Coir
Perlite
Ground Limestone (for pH adjustment)
Wetting agent
Mycorrhizae
 
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Mr.GreenthumbOG

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#16
Are you in fabric pots? Or?
 
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biggerbud420

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#17
no nursery pots
 
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#18
biggerbud420 said:
no nursery pots
Click to expand...
That’s fine. I switched to fabric pots a while back, as it keeps roots from circling, air pruning, allowing for smaller containers.
Better growth in general from fabric pots IMO.
when your done your crop, inspect the roots. Make the call for your next grow. I ran autos in 5gal till I realized it wasn’t needed.
 
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#19
biggerbud420 said:
if i feed my plants 2 times a day they would get overwatered
Click to expand...
That all depends on on pot size. If I water every other day it’s a lot
 
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#20
biggerbud420 said:
well i have alot of 3 gallon pots and i been growing autos in them i been averaging 4 oz a plant in 3 gallon pots i was just curious how much bigger the plant would get in a 5 gallon bucket ? my next grow i do want to do photo's but not sure if i should just stay with my 3 gallon pots
Click to expand...
If you want a massive yeild of good herb get some Granddaddy Purp AutoFlower seeds from MSNL seeds the only strain i buy from them. Them grow in 5 gallon fabric pot of coco (70/30) and use the GH nutes with the Lucas formula which is, 1stv week water only, week 2 2mil calmag 2 mill micro 4 mill bloom. We'll 3 to harvest 2mill Calmag 4 mill micro 8 mill bloom. If you're growing photos just double everything except the calmag. I pulled 14.5 ozs off 1. I average 10 or more with that strain. That strain smells so strong so be careful if you need to be. Make sure you have room because one filled my entries 4x4
 

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Replies 23
Views 48,750
Started Jun 26, 2021
Latest post Jun 9, 2026
Starter biggerbud420
Forum Basic Growing Information

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