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[Apostolos]

This is one of those things that I have always just shrugged my shoulders and never bothered asking about, but when setting up stock piles I always see "quarry bush" listed under the plants section of the food stockpile. However, quarry bush leaves are under the Fruit/leaves section of the food stockpile.  The seeds are called rock nuts. OK I get that..especially due to being able to get paste out of them for their own unique processing method outside of just growing the plants.  I was reading some other posts and realized that some other people may be getting confused on this as well with regard on how to harvest and treat the bushes.   While reading the wiki, it does not definitively (imo) distinguish the bushes vs the actual leaves with regard to the harvesting and storage of the plants.  I mean, the actual "Quarry Bush" is not really a food item.  Just the leaves are right?  If so, why is the bush itself listed in the food stockpile section?  I think a few people may be setting subterranean food stockpiles to accept plump helmets, pig tails, cave wheat and quarry bushes thinking that when the bush matures, it will be harvested and stored in the stockpile leaving them to scratch their head when the harvesting does not occur. I know it took me a long time to figure out to add the leaves to the stockpile before it started working.  I am still just wondering why the bush is still listed as a food item.  OR.. do the leaves suddenly become bushes again after being processed at the farmer's workshop?

[martinuzz]

No, it's the other way around, you process the quarry bush plants into quarry bush leaves at a farmer's workshop using the process plants to bag order.
It used to be the only way to get quarry bush leaves, but when a few years ago Toady redid the plants to include fruits and vegetables, quarry bushes now also drop a few leaves on harvesting. Processing the plants to bag can give larger stack sizes than those leaves that are harvested from the plant.

[Apostolos]

Hmm..not really sure about that.  Because if you do not have a 'leaves' stockpile anywhere, the farmers will just leave them on the farm plots and not harvest them. (even if you DO have the bushes listed in the stockpile)

[martinuzz]

You need BOTH plant and leaf stockpiles. Farms give quarry bush plants AND leaves. Plants can then be processed into more leaves in bags.

Tip: do not use barrels for your leaf stockpiles. Barrels and bags don't combine well. Or set one stockpile that has barrels and set to take from anywhere for the leaves harvested from farms, and one stockpile that does not use barrels set to take from links only, that takes from the farmer's workshop which processes quarry bush plants to bag.

[Loci]

Farms give quarry bush plants AND leaves.

There's a fair chance that quarry bushes are currently bugged similar to strawberries. When harvesting a farm crop, dwarves will produce one of the usable outputs; either strawberries or a strawberry plant, but not both. For quarry bushes, since the plant may not even be considered usable (since it only has one old and very specific use), the farmers may just default to harvesting a leaf. If anyone can confirm that behavior, a post on the relevant bug would be helpful:

http://www.bay12games.com/dwarves/mantisbt/view.php?id=6940


The wiki does note that herbalists will produce both products (a leaf and a plant).

[martinuzz]

I get both plants and leaves from my little 2x2 quarry bush plot, although it is indeed possible that a single tile only yields one of either, never paid attention to that.
The vast majority harvested are plants though. It could be related to farmer skill too. I've noticed less and less unbagged leaves (while I have literally hundreds of quarry bush plants in my quantum stockpile), but that's just a hunch feeling. I'll try pay attention next time the bushes are growing.
Doesn't look like a bug at all though, quarry bush growing and processing has always worked fine for me.

[Loci]

I tested quarry bush farming in the newly-released v0.44.04. In all attempts farmed quarry bushes produced both possible products, however the harvesting behavior was mildly inconsistent. When only a quarry bush plant stockpile existed, dwarves would harvest the plant and leave the leaves on the farm tiles (making it appear that the harvest jobs were not performed as reported by Apostolos). When only a quarry bush leaf stockpile existed, dwarves would harvest the leaves *and* plants and leave the plants in the leaf stockpile that doesn't accept them.

[feelotraveller]

Actually as I understand it, the harvesting behaviour is consistent; the inconsistency with regard to stockpiling results from the order of the components of the task.

I presume what is happening is that when the dwarf harvests, the leaf, then the plant are added to carried items, in that order.  If there is no stockpile for the leaf they then drop that in situ and proceed to stockpile the plant.  Whereas if there is a stockpile for the leaf they proceed to the stockpile and place the leaf there but then can't find a stockpile for the plant causing it to be (always?*) dropped in place - that is, on the stockpile - when they take the next job.  (*Not sure if there may be - rarish - occasions when they do not drop before proceeding with next task... such as going off to sleep?)

Stepping through the harvest/stockpiling might confirm but this behaviour is congruent with what I have seen from gatherers who have limited/no stockpiles for their food items.  Or again, test by interrupting the dwarf while on the way to the stockpile so that they drop both items - if I am correct the leaf will later be moved to the stockpile while the plant will remain where it is.