herb farming

Where can I farm fadeleaf, goldthorn, whisker and wintersbite? I'm trying to google it but every guide I find is wrong because it's not this version. Please help

https://wotlkdb.com/?object=2046
https://wotlkdb.com/?object=2043
https://wotlkdb.com/?object=2044
https://wotlkdb.com/?object=2042