Plant age

Cotyledon420

Well-Known Member
Here's what I've found and I don't even know if this is right....

To calculate the age of a plant, one needs to focus on xylem and phloem. They are the tissues that transport water and nutrients in a plant, thus generating "rings" that grow from the centre outer in the stem or trunk.
The number of rings gives an overall age of the plant. Herbaceous plants are known to be a little more complex and occasionally will differ from species to species. However, a good common rule is to count the quantity of limbs or note the plant’s height. If the plant has many limbs and is pretty tall when compared to others, it can be said the plant is older.

So there's really no true way to determine the age...and with marijuana being a annual this hasn't really been studied...I misread the article traditional leaf sampling cant really tell you the age...

You'd have to go by height and nodes I'd say 4-7 weeks depending on how much light potsize available nutrients etc....

Some complicated plant science I don't want to read any more about my guess 4-7 weeks
 
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