I was thinking it would be cool if on every seasonal event, e.g christmas/halloween, one crop was randomly nominated to become the "seasonal crop" for that season, with an increased sell price.
This was brought up a little over a year ago (so keep in mind that things may have changed since then) but the problem with adding any kind of custom crops was that 1. We couldn't add custom blocks to the server, the best that we can do is add unique identifiers to currently existing ones. This causes a whole number of coding problems and overall makes it much harder to implement than before (once again keep in mind this is from my coding experience) 2. There is overall a lack of need for custom crops, as Minecraft has a ton of crops that aren't really utilized anyways, so unless the new crop is better than one of the current meta crops, than no one is likely to farm it. Either way, it would be much easier to just adjust the way that current crops behave, take for example adding like a holiday/seasonal modifier for a certain crop for the season (pretty much hot item)
Noted! A hot item for seasonal events sounds very intriguing! Would that be a potential feature that could be added?