That is just the landscape. There is no way to change it.

I don't know if it's possible to hack the game but I have been making fast money by loading the gamr, catching bugs, selling them, then closing the game and reloading it. Each time I can make 150 coins in less than a minute.

In the shop the information for the Pollen Concentration Spray is that it increases the chance of a hybrid spawn from individual plants. I have not used it but I believe that it has to do with creating different and better types of flowers.

There will be mounds outside that look like upturned soil. Dig them up and underneath is the stolen items.

Just remember some bugs can only be found on trees so leave a few of the tall ones to catch those bugs.