i dont have an answer 4 what kind of shrubs, but 2 keep the deer from eating them until they get big, crack 6 eggs n a 2 gallon sprayer, fill w/water, shake good and spray directly on plants, around, where ever u dont want animals 2 go, the eggs rott or something and i believe the animals think its something dead??? dont know for sure but deer and horses etc... will not touch it, lasts whole growing season