Does flowers looks small for day 20?

Hook Daddy

Hook Daddy

Well-Known Member
I wouldn’t say they are large for day 20, but the plants look healthy, just keep up with what you’re doing. Different strains develop differently so a timeline is not something I would stress over.
 
Paganboy

Paganboy

Well-Known Member
Hook Daddy said:
I wouldn’t say they are large for day 20, but the plants look healthy, just keep up with what you’re doing. Different strains develop differently so a timeline is not something I would stress over.
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The one on the left seems to have closed the leaves a bit. How many lux of light do you think I should provide?
 
medidedicated

medidedicated

Well-Known Member
Looks good, I personally now have a goal to make as small flowers possible. People want big buds but I just tossed a pound to botrytus it grows so damn easy. Once infected just spreads like fire. So I wouldnt be trippin!
 
Paganboy

Paganboy

Well-Known Member
420AD said:
looks ok to me? how's it lookin' to you?
:bigjoint:
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She longs for the touch of pollen, her buds reaching out in a delicate dance, as if to find a partner in the wind. But deep down, she knows her purpose—she's crafting a beautiful, healing medicine, her every fiber devoted to nourishing and soothing. She glows in emerald and amber, a silent guardian, giving her all for the gift she’s growing within.
 
D

Delps8

Well-Known Member
Paganboy said:
Not sure about the lux value tough. Mars Fce 3000 distance 45 cm dim 75%.
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75% at 45cm is about ½ the amount of light recommended by the manufacturer.

Their recommendations are here.

Your plants have a good coloring and the canopy covers all of the available grow space, which is great. If your light levels have been at 50% of optimal throughout the grow, your yield will be modest because there's an almost linear relationship between light levels and crop yield.

Speaking loosely, it's never too late to increase your light levels. At this stage of growth, you might not gain much but providing your plants with more light certainly won't hurt. It's almost impossible to give cannabis too much light. A cannabis grow that's well setup will thrive the light output from that light at 100% and a 12" hang height. Cannabis is a light whore loves light.

If you chose to increase light levels, I would suggest that you increase the dimmer setting to 100% and set a timer for 30 minutes. After thirty minutes, check your plants to see if any leaves are starting to curl their edges (canoeing or tacoing). Another reaction to too much light is leaves rotating around the petiole, similar to how a Venetian blind opens and closes. At your current light level, increasing the power should not cause that reaction if your grow is in decent shape.

If you do see a reaction from the plants, raise the light a couple of inches and call it a day. I'd be surprised if this was the case because your plants are, I'm guessing, only at 600µmol or so which is about the minimum that cannabis should be given in flower.

Assuming that your plants are handling the higher light levels at 100% power and 40cm, drop your light by 5 cm, check for a reaction, wait a day, and drop another 5 cm. At 30cm± you're probably going to see a reaction. If so, raise the light a bit or turn the dimmer down from 100 to 90% or so and you should be good.


1731211631263.png

For future grows, a light meter (26 USD) is an inexpensive and proven method of feeding a cannabis grow to get higher yields. Light is the only way that plants make food. Increase the light levels, get more weed.

I created this table from the cited source. Each increase of 50µmol resulted in a yield increase of about 5%.

View attachment 5438742
 
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