It depends on the type of carnation and the way it is grown.
No a carnation stem is much thinner than a celery stalk.
The flower of the carnation is not toxic. The stem and leaves are, to a small degree. Nobody has died from carnation poisoning as of yet.
Get a white carnation. Using a craftknife, cut the stem in half for half its length. Place the two halves in different glasses - one containing diluted blue food dye and the other containing red - for about half an hour or until it reaches the desired colour.
To expose more of the cut surface to the water to increase the drawing power
increases the length of the stem
The stem mostly being above the ground grows in length very rapidly. It is easy to measure stem length without harming the plant as such.
Stem length differ from plant to plant maximum 400 ft in ground plants.
The most popular carnations used by florists have one single flower per stem.
Put different food coloring in jar (you can add water if you want lighter color) then take a carnation and split the stem into however many jar of coloring you have. Stick part of a stem in each jar then leave it for a couple hours. This is called colorful carnation if you would like to look it up on the internet. Or go to http://www.stevespanglerscience.com/experiment/00000144
Actually, if you put a white carnation in food coloring, the carnations will turn that color. Example: Put a white carnation in red food coloring. In a few weeks, the flower will turn red.
False, Auxins tend to increase stem length.
The Leangth of a flower stem us 5 in.