[header] How to protect plants from animals [title] Use hot pepper spray. [step] Many animals don't like the taste of hot pepper or how it burns their noses. Any commercial brand of hot sauce dissolved in water will do or you can create your own version taking any hot peppers and water using any recipe and putting this in a spray bottle. 
You have to repeat this every week or after it rains for it to work effectively. [substeps] Wear gloves and don't get hot peppers in your eyes or in an open wound.