This has long been believed to naturally repel several small animals since coyote will feed on just about anything they can find. Apply it along property lines to keep rabbits out of your yard. It is best to use some in several areas effectively establishing a round zone or barrier through which rabbits will not be able to enter. Intall them along pathways, in flower beds and other areas where rabbits are active. Keep in mind that the use of either of these repellents works best if your problem rabbit is coming around your property and not actually living there.
Repellents work best for such problems.
Also, either repellent is a good place to start but the use of both is always going to be the best option. The more repellents put in place the better. This spray tastes terrible and will stop them from eating any flower or shrub which has been treated. Ropel will not hurt anything. It has been formulated for use on plants and inanimate objects which nuisance animals want to chew.