TerraForums Venus Flytrap, Nepenthes, Drosera and more talk
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Here's a pic of two Cephalotus "Big Boy" pitchers growing size by side. The dark one developed whilst close to a fluorescent tube and the green one developed whilst on a 'sunny' windowsill:
Mostly it has to do with the age of the pitcher. You can have two pitchers side by side roughly the same size and receiving roughly the same light yet several weeks apart in terms when the pitcher was fully developed. The older leaf is usually the one with more red coloring.
Here's a quick shot of my windowsill grown Cephalotus. Last year hardly any red. Previous years and this year plenty of red. Same plant same windowsill. Go figure.
Mostly it has to do with the age of the pitcher. You can have two pitchers side by side roughly the same size and receiving roughly the same light yet several weeks apart in terms when the pitcher was fully developed. The older leaf is usually the one with more red coloring.
Whilst age does make a difference, in the case of my plant above the colouration difference is due primarily to lighting. If left to grow on the windowsill it never obtains the colouration of the darker pitcher shown.
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