If you want to manage pocket gophers without poison, start with identification and protection of valuable plants. Household odor remedies are not a dependable solution. “Natural” also does not mean an approach is harmless or that it will remove an established animal.
Confirm what is making the damage
Use photographs of fresh mounds and plant damage to seek help from a local extension service or qualified wildlife professional. Gophers, moles and other burrowing animals need different responses. Do not put materials into a hole simply because it is present.
Decide what needs protecting: a few new plants, a raised bed or a larger lawn. That helps you choose a proportionate response instead of treating every mound as proof that the whole yard must be cleared of wildlife.
Skip unsupported repellents
UC IPM’s pocket-gopher guidance reports that repellents have not proved effective at protecting plantings. It also rejects reliable control claims for vibrating or ultrasonic devices and plants such as gopher spurge. We therefore do not recommend the former article’s dryer sheets, hot sauce, loud music or pet-dropping remedies.
Do not spread pet waste around a garden or place household products in burrows. A lack of conventional poison does not establish that a remedy is appropriate for soil, wildlife, children or pets. Avoid buying a device solely on a promise that it will drive gophers away permanently.
Protect plants physically
Ask about suitable gopher-resistant mesh beneath a new raised bed or properly sized protective baskets for individual plantings. UC IPM discusses exclusion, while noting its practical limitations. Material, openings and installation matter; a surface border alone does not stop an underground animal.
Plan protection before planting when possible. Choose a system that allows the intended root growth, and have a knowledgeable nursery or installer help with valuable trees. Protecting a limited area may be more practical than trying to exclude every gopher from an entire property.
When more help is needed
Trapping is a non-poison control option discussed by UC IPM, but it needs correct species identification, lawful use and protection of people and other animals. A qualified professional can explain suitable options. If you want to avoid lethal methods, say that explicitly when requesting advice.
Do not improvise exhaust, fuel, gas or flooding treatments. Keep the focus on protecting plants and obtaining competent help. Check the result over time and record fresh activity so a professional can distinguish continuing damage from old mounds. No single intervention should be presented as a guarantee against future arrivals.