If you have upgraded your Scarecrow Garden into an Improved Scarecrow Farm follow the below steps to revert it back into a Scarecrow Garden:

• If you have your Improved Scarecrow Farm built, you will need to demolish it now
• Buy an Evenstone from any General Merchant
• Use the Evenstone on your Improved Scarecrow Farm Design
• The materials you gain from using the Evenstone will be a Scarecrow Garden Design