Mysterious cocoa plant

Did you plant it in a crop?

al has mentioned some plants can only be planted certain places so maybe the biome your in? im interested to know the answer myself

It seems that the cocoa plants like to be "drier" (or dryer?) than other plants, try planting them some blocks away from water (4 is enough, i think)

For ferru, shove a block of iron ore underneath the dirt block you plant it on.

For Cocoa, I have it planted in a regular forest biome, next to a desert biome, right next to water. However, seems like sometimes the sticks bug out, and I have to replace them, or retill the soil to get it to work. Also, do not plant while it is dark. Flowers and cocoa does not seem to like that. At least not in my game.

Quote from Cyperangel

For Cocoa, I have it planted in a regular forest biome, next to a desert biome, right next to water.

I placed it in a plains biome right next to a desert. Seems to have something to do with deserts.

They are definitely mysterious, and I've had a hard time trying to plant them. One time I tried to plant, and it didn't work (even though I had just harvested cocoa from the same crop) so I got annoyed and broke the crop stick, replanted the crop stick, then was able to plant cocoa... *confused look*

AFAIK you need to reach certain conditions for each plant to even be able to plant it. Fertilize cropsticks before planting, also apply some hydration. Hydration is a bit tricky now, since you can reverse its effect by overhydrating plant. Just give it one click with fertilizer and one click with Hydration cell and try to plant it then. It cannot be planted at night, i think.
Not 100% sure about all this, but it might help.
Edit: When I can't plant cocoa, I hold right mouse button a few seconds and sometimes it works. If not, i'll just plant it on other block.

Quote from nekomimi

I answered my own question:

Cocoa Can be planted in any biomes, just click the empty crop stick with fertiliser before planting the cocoa seed/plant.

Now im really struggling with final stage of 'trollweed' AKA ferru.

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troll weed is tricky you need a block of iron ore under it but you also got fert and water it and if its nutrient levels get to low once its fully grown itll disapearso while ferru is tricky to grow the fert and water system imho is gimped since we cant read the soils levels or anything
and stumbling around in the dark is for noobs

I wonder how hard it is to read the fert/hydro level of a block for a addon... Not claiming to be developing it, just a thought...

Quote from Altaree

I wonder how hard it is to read the fert/hydro level of a block for a addon... Not claiming to be developing it, just a thought...

It should be simple enough, dont understand why they didnt put that funtion in the Cropanalizer

Either cocoa is bugged or it doesn't like having sand/sandstone underneath the crop. After removing the said sand I could plant. Sadly, I had replaced the crop too, so I can't be sure of what did the trick (though I had tried to replace the crop a little earlier).

I have yet to run across problems with cocoa. So far everything I have grows when I put it close to water and in light level 15. I'm using Jack-o-lanterns to do this. I am also doing this in a swamp biome. I am quite convinced biome effects not only what plants can grow, but also stats of hybred plants.

Well I am planting the cocoa in a swamp too, and all my best plants are cocoa
How do you have the time to grow plants into 15~? My best are around 8 xD