Anyone play plant tycoon? Is there a certain amount of time for when they stock seeds in the shop, how long?

Answer 1

Seeds in the store change every 24 hours, even if you don't purchase any.

If there are less than three seeds in any category, the store also restocks in addition to randomly changing the other two seeds.

Answer 2

the store restocks the seeds every 24 hours

Answer 3

not sure of the answer, but there is a good strategy guide for plant tycoon here that may help:

http://www.gamezebo.com/2007/09/plant_tycoon_tips_tricks.html

ciao